CN214428465U - Novel pure porcelain bushing with sealing structure - Google Patents
Novel pure porcelain bushing with sealing structure Download PDFInfo
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- CN214428465U CN214428465U CN202120319630.0U CN202120319630U CN214428465U CN 214428465 U CN214428465 U CN 214428465U CN 202120319630 U CN202120319630 U CN 202120319630U CN 214428465 U CN214428465 U CN 214428465U
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- conducting rod
- porcelain bushing
- gasket
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Abstract
The utility model discloses a pure porcelain bushing with a novel sealing structure, which is characterized in that the flat gasket generates longitudinal compression force through the pressure generated by the first nut in the screwing process, so that the gasket well seals the upper half part of a conducting rod, the rubber ring is fixed in the clamping groove of the gasket, so that the sealing between the porcelain bushing and the upper half part of the conducting rod is more reliable, the flange plate and the transformer box cover are screwed through the positioning bolt, so that the position of the flange plate and the transformer box cover is fixed, the porcelain bushing and the lower half part of the conducting rod are well sealed, the porcelain bushing and the upper half part and the lower half part of the conducting rod are well sealed, so that the uniform and complete sealing of the pure porcelain bushing is realized, thereby improving the sealing effect of the pure porcelain bushing.
Description
Technical Field
The utility model relates to a transformer technical field especially relates to a novel seal structure's pure porcelain bushing.
Background
At present, most of outlet sleeves with the voltage class of 12-46kV in the transformer industry adopt pure ceramic structures, and sealing parts and pressing covers (ceramic pressing covers or metal pressing covers) are mostly adopted between conducting rods of the pure ceramic sleeves and the sleeves for sealing.
However, the existing pure porcelain bushing does not fully seal the upper part and the lower part of the conducting rod and the porcelain bushing, so that the sealing effect of the pure porcelain bushing is reduced, and the using effect of the transformer is not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel seal structure's pure porcelain sleeve pipe aims at solving current pure porcelain sleeve pipe among the prior art and does not carry out the full-sealing to the upper and lower two parts of conducting rod and porcelain bushing to reduce pure porcelain sleeve pipe's sealed effect, and then made the unsatisfactory technical problem of result of use of transformer.
In order to achieve the purpose, the pure porcelain bushing with the novel sealing structure comprises a conductive rod, a porcelain bushing, a transformer case cover and a connecting assembly; the porcelain bushing is fixedly connected with the conducting rod and sleeved outside the conducting rod, and the transformer box cover is connected with the conducting rod in a sliding mode and is positioned on one side, far away from the porcelain bushing, of the conducting rod; the connecting assembly comprises a first nut, a flat gasket, a gasket and a sealing member, the first nut is fixedly connected with the conducting rod and is positioned on one side, far away from the transformer box cover, of the conducting rod, the flat gasket is fixedly connected with the conducting rod and is positioned on one side, close to the first nut, of the conducting rod, and the gasket is fixedly connected with the conducting rod and is positioned on one side, close to the flat gasket, of the conducting rod; the sealing member includes rubber circle, seal ring, ring flange and positioning bolt, the rubber circle with conducting rod fixed connection, and with packing ring fixed connection, and be located the conducting rod is close to one side of packing ring, seal ring with conducting rod fixed connection, and with insulator fixed connection, and be located the insulator is close to one side of transformer case lid, the ring flange with conducting rod fixed connection, and be located the conducting rod is close to one side of seal ring, positioning bolt with ring flange sliding connection, and with the connection can be dismantled to the transformer case lid, and be located the ring flange is kept away from one side of insulator.
The sealing component further comprises an O-shaped sealing ring, the O-shaped sealing ring is fixedly connected with the conducting rod, is in sliding connection with the gasket and is positioned on one side, close to the gasket, of the conducting rod.
Wherein, coupling assembling still includes the air release stopper, the air release stopper with the packing ring can be dismantled and be connected, and is located the packing ring is kept away from one side of conducting rod.
The connecting assembly further comprises a supporting plate, wherein the supporting plate is connected with the conducting rod in a sliding mode and is located on one side, close to the first nut, of the conducting rod.
The connecting assembly further comprises a second nut, and the second nut is detachably connected with the conducting rod and is located on one side, close to the supporting plate, of the conducting rod.
The transformer box cover is provided with a through hole, and the through hole is positioned on one side, close to the conducting rod, of the transformer box cover.
The pure porcelain sleeve with the novel sealing structure of the utility model generates a longitudinal compression force by the pressure generated by the first nut in the screwing process, so that the gasket can well seal the upper half part of the conducting rod and is fixed in the clamping groove of the gasket through the rubber ring, so that the porcelain bushing and the upper half part of the conducting rod are more reliably sealed, the flange plate and the transformer box cover are screwed through the positioning bolt, and the positions of the flange plate and the transformer box cover are fixed, thereby leading the porcelain bushing and the lower half part of the conducting rod to be well sealed, and leading the porcelain bushing and the upper half part and the lower half part of the conducting rod to be well sealed, therefore, the pure porcelain bushing is uniformly and completely sealed, and the sealing effect of the pure porcelain bushing is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the pure porcelain bushing with the novel sealing structure of the present invention.
Fig. 2 is a schematic view of the connection between the sealing washer and the porcelain bushing according to the present invention.
Fig. 3 is a schematic view of the connection between the O-ring and the gasket of the present invention.
Fig. 4 is a schematic view of the connection between the rubber ring and the gasket of the present invention.
Fig. 5 is a schematic view of the connection between the positioning bolt and the transformer tank cover of the present invention.
In the figure: the novel transformer box comprises a 1-conducting rod, a 2-porcelain bushing, a 3-transformer box cover, a 4-connecting component, a 31-through hole, a 41-first nut, a 42-flat gasket, a 43-gasket, a 44-sealing component, a 45-vent plug, a 46-supporting plate, a 47-second nut, a 100-pure porcelain sleeve with a novel sealing structure, a 441-rubber ring, a 442-sealing gasket, a 443-flange plate, a 444-positioning bolt and a 445-O-shaped sealing ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 5, the utility model provides a pure porcelain bushing 100 with a novel sealing structure, which comprises a conductive rod 1, a porcelain bushing 2, a transformer case cover 3 and a connecting assembly 4; the porcelain bushing 2 is fixedly connected with the conducting rod 1 and sleeved outside the conducting rod 1, and the transformer box cover 3 is connected with the conducting rod 1 in a sliding mode and located on one side, far away from the porcelain bushing 2, of the conducting rod 1; the connecting assembly 4 comprises a first nut 41, a flat gasket 42, a washer 43 and a sealing member 44, the first nut 41 is fixedly connected with the conducting rod 1 and is located on one side of the conducting rod 1 away from the transformer tank cover 3, the flat gasket 42 is fixedly connected with the conducting rod 1 and is located on one side of the conducting rod 1 close to the first nut 41, and the washer 43 is fixedly connected with the conducting rod 1 and is located on one side of the conducting rod 1 close to the flat gasket 42; the sealing member 44 includes a rubber ring 441, a sealing washer 442, a flange 443, and a positioning bolt 444, wherein the rubber ring 441 is fixedly connected to the conductive rod 1, and is fixedly connected to the gasket 43, and is located on a side of the conductive rod 1 close to the gasket 43, the sealing washer 442 is fixedly connected to the conductive rod 1, and is fixedly connected to the porcelain bushing 2, and is located on a side of the porcelain bushing 2 close to the transformer case cover 3, the flange 443 is fixedly connected to the conductive rod 1, and is located on a side of the conductive rod 1 close to the sealing washer 442, and the positioning bolt 444 is slidably connected to the flange 443, is detachably connected to the transformer case cover 3, and is located on a side of the flange 443 away from the porcelain bushing 2.
In this embodiment, the porcelain bushing 2 is fixed to the conductive rod 1 by adhering, the transformer case cover 3 is connected to the conductive rod 1 in a vertical sliding manner, the first nut 41 is fixed to the conductive rod 1 by threads and sleeved on the outer side of the conductive rod 1, the flat gasket 42 is fixed to the conductive rod 1 by welding and sleeved on the outer side of the conductive rod 1, the gasket 43 is fixed to the conductive rod 1 by welding and sleeved on the outer side of the conductive rod 1, and the flat gasket 42 generates a longitudinal compression force by the pressure generated by the first nut 41 in the screwing process, so that the gasket 43 seals the upper half of the conductive rod 1 well, the rubber ring 441 is fixed to the conductive rod 1 by adhering, the gasket 43 is close to the porcelain bushing 2 and has a clamping groove, and the rubber ring 441 is fixed to the clamping groove of the gasket 43 by adhering, therefore, the porcelain bushing 2 and the upper half part of the conducting rod 1 are more reliably sealed, the porcelain bushing 2 is provided with a circular groove, the sealing washer 442 is positioned in the groove of the porcelain bushing 2, the sealing washer 442 is fixedly adhered to the conducting rod 1 and fixedly adhered to the porcelain bushing 2, the flange 443 is fixedly adhered to the conducting rod 1, the positioning bolt 444 is in threaded connection with the flange 443 and in threaded connection with the transformer case cover 3, the flange 443 is screwed to the transformer case cover 3 through the positioning bolt 444, so that the flange 443 and the transformer case cover 3 are fixed in position, the porcelain bushing 2 and the lower half part of the conducting rod 1 are well sealed, and thus, pressure generated by the first nut 41 in the screwing process, thereby make flat pad 42 produce vertical compressive force, and then make packing ring 43 to seal well the first half of conducting rod 1, through rubber circle 441 is fixed in the draw-in groove of packing ring 43, thereby make insulator 2 with the sealed more reliable of first half of conducting rod 1, through positioning bolt 444 in flange 443 with screw on the transformer case lid 3, thereby make flange 443 with the position of transformer case lid 3 is fixed, and then make insulator 2 with the latter half of conducting rod 1 carries out fine sealing, through to insulator 2 with the first half of conducting rod 1 is with the better sealed of latter half, thereby has realized the even full seal to the pure porcelain sleeve pipe, and then has improved the sealed effect of pure porcelain sleeve pipe.
Further, referring to fig. 3, the sealing member 44 further includes an O-ring 445, and the O-ring 445 is fixedly connected to the conductive rod 1, slidably connected to the gasket 43, and located on a side of the conductive rod 1 close to the gasket 43.
In this embodiment, the O-ring 445 is fixed to the conductive rod 1 by adhesion, and the O-ring 445 is provided, so that the upper half of the conductive rod 1 is more reliably sealed.
Further, referring to fig. 3 and 4, the connection assembly 4 further includes a gas release plug 45, and the gas release plug 45 is detachably connected to the gasket 43 and is located on a side of the gasket 43 away from the conductive rod 1.
In this embodiment, the air release plug 45 with the gasket 43 is connected through threads, and through setting the air release plug 45, so that the pure porcelain bushing can be conveniently released in the using process, and the heat dissipation of the conducting rod 1 is facilitated.
Further, referring to fig. 1, the connecting assembly 4 further includes a supporting plate 46, and the supporting plate 46 is slidably connected to the conductive rod 1 and is located on a side of the conductive rod 1 close to the first nut 41.
In this embodiment, the supporting plate 46 is connected with the conducting rod 1 in a sliding manner, and the supporting plate 46 is arranged, so that the supporting plate 46 can collect and process dust impurities in the air in a centralized manner, and further the influence of the dust impurities in the air on the sealing effect of the pure porcelain bushing is avoided.
Further, referring to fig. 1, the connecting assembly 4 further includes a second nut 47, and the second nut 47 is detachably connected to the conductive rod 1 and is located on a side of the conductive rod 1 close to the supporting plate 46.
In this embodiment, the second nut 47 is connected to the conductive rod 1 through a screw, and the second nut 47 is screwed into and out of the conductive rod 1, so that the support plate 46 can be mounted and dismounted from the conductive rod 1, and an operator can collect and process dust and impurities on the support plate 46 in time.
Further, referring to fig. 5, the transformer tank cover 3 has a through hole 31, and the through hole 31 is located on a side of the transformer tank cover 3 close to the conductive rod 1.
In this embodiment, the transformer case cover 3 has a circular through hole 31, and the size of the through hole 31 on the transformer case cover 3 is larger than the size of the conductive rod 1, so that the conductive rod 1 can extend into the through hole 31 of the transformer case cover 3, thereby preventing the conductive rod 1 from affecting the installation of the flange 443 and the transformer case cover 3.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The pure porcelain bushing with the novel sealing structure is characterized by comprising a conducting rod, a porcelain bushing, a transformer case cover and a connecting assembly;
the porcelain bushing is fixedly connected with the conducting rod and sleeved outside the conducting rod, and the transformer box cover is connected with the conducting rod in a sliding mode and is positioned on one side, far away from the porcelain bushing, of the conducting rod;
the connecting assembly comprises a first nut, a flat gasket, a gasket and a sealing member, the first nut is fixedly connected with the conducting rod and is positioned on one side, far away from the transformer box cover, of the conducting rod, the flat gasket is fixedly connected with the conducting rod and is positioned on one side, close to the first nut, of the conducting rod, and the gasket is fixedly connected with the conducting rod and is positioned on one side, close to the flat gasket, of the conducting rod;
the sealing member includes rubber circle, seal ring, ring flange and positioning bolt, the rubber circle with conducting rod fixed connection, and with packing ring fixed connection, and be located the conducting rod is close to one side of packing ring, seal ring with conducting rod fixed connection, and with insulator fixed connection, and be located the insulator is close to one side of transformer case lid, the ring flange with conducting rod fixed connection, and be located the conducting rod is close to one side of seal ring, positioning bolt with ring flange sliding connection, and with the connection can be dismantled to the transformer case lid, and be located the ring flange is kept away from one side of insulator.
2. The pure porcelain bushing of a novel sealing structure according to claim 1,
the sealing component further comprises an O-shaped sealing ring, the O-shaped sealing ring is fixedly connected with the conducting rod, is in sliding connection with the gasket and is positioned on one side, close to the gasket, of the conducting rod.
3. The pure porcelain bushing of a novel sealing structure according to claim 1,
the connecting assembly further comprises an air release plug, the air release plug is detachably connected with the gasket and is located on one side, away from the conducting rod, of the gasket.
4. The pure porcelain bushing of a novel sealing structure according to claim 1,
the connecting assembly further comprises a supporting plate, wherein the supporting plate is connected with the conducting rod in a sliding mode and is located on one side, close to the first nut, of the conducting rod.
5. The pure porcelain bushing of a novel sealing structure according to claim 4,
the connecting assembly further comprises a second nut, and the second nut is detachably connected with the conducting rod and is located on one side, close to the supporting plate, of the conducting rod.
6. The pure porcelain bushing of a novel sealing structure according to claim 5,
the transformer box cover is provided with a through hole, and the through hole is positioned on one side, close to the conducting rod, of the transformer box cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319630.0U CN214428465U (en) | 2021-02-04 | 2021-02-04 | Novel pure porcelain bushing with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319630.0U CN214428465U (en) | 2021-02-04 | 2021-02-04 | Novel pure porcelain bushing with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214428465U true CN214428465U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120319630.0U Active CN214428465U (en) | 2021-02-04 | 2021-02-04 | Novel pure porcelain bushing with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214428465U (en) |
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2021
- 2021-02-04 CN CN202120319630.0U patent/CN214428465U/en active Active
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