CN202632996U - Sealed transformer porcelain bushing - Google Patents
Sealed transformer porcelain bushing Download PDFInfo
- Publication number
- CN202632996U CN202632996U CN 201220167744 CN201220167744U CN202632996U CN 202632996 U CN202632996 U CN 202632996U CN 201220167744 CN201220167744 CN 201220167744 CN 201220167744 U CN201220167744 U CN 201220167744U CN 202632996 U CN202632996 U CN 202632996U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- porcelain bushing
- transformer
- insulator
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a sealed transformer porcelain bushing which comprises an upper porcelain bushing and a lower porcelain bushing which are arranged on a conducting rod and respectively located on the upper side and the lower side of a transformer case cover. A first sealing ring is arranged between the transformer case cover and the conducting rod. A circular groove is arranged on the lower end face of the upper porcelain bushing. A second sealing ring is arranged in the circular groove, and the second sealing ring abuts against the upper side face of the transformer case cover. The lower porcelain bushing extends upward to form a flange which passes through the first sealing ring. A third sealing ring is arranged between the lower porcelain bushing and the lower side face of the transformer case cover. According to the sealed transformer porcelain bushing, three sealing rings are adopted to seal, and all the three sealing rings are not exposed so that chemical substances are prevented from corroding the sealing rings, and therefore the sealed transformer porcelain bushing not only is good in sealing performance, but also improves adaptability of a transformer.
Description
Technical field
The utility model relates to the sealing of porcelain shell for transformer.
Background technology
At present,, not only influence electrical equipment outward appearance and physical life, and be prone to cause seal distortion and aging, influence the normal operation of electrical equipment, increase the operating cost cost because the sealing surface between porcelain shell for transformer and transformer case lid and the conducting rod all designs externally; And seal exposes, and makes common transformer can not adapt to highlands, extensive chemical erosion area etc. preferably, thereby has limited the use of transformer.
The utility model content
The utility model has solved above-mentioned technical problem, and a kind of good sealing performance porcelain shell for transformer is provided.
The technical scheme that the utility model solves the problems of the technologies described above employing is: a kind of sealed transformer insulator, comprise being installed in being positioned at the last insulator and following insulator that transformer tank covers downside on the conducting rod, and first sealing ring is installed between said case lid and the conducting rod; Annular groove has been opened in the said insulator lower surface of going up, and second sealing ring is installed in the annular groove, and this second sealing ring is resisted against the upper side of said case lid; Said insulator has down extended upward flange, and this flange passes said first sealing ring, between said insulator down and case lid downside, is provided with the 3rd sealing ring.
Can know that from above technical scheme the utility model seals through the three seals circle, and sealing ring do not expose all, can prevent chemical substance etc. to the sealing ring corrosion, not only sealing property is better, and has improved the adaptability of transformer.
Description of drawings
Fig. 1 is the structural representation of a kind of optimal way of the utility model.
Embodiment
Specify the utility model below in conjunction with accompanying drawing 1:
This porcelain shell for transformer comprises being installed in and is positioned at the last insulator 3 and following insulator 4 that transformer tank covers 2 upper and lower sides on the conducting rod 1, and first sealing ring 5 is installed between said case lid and the conducting rod; Annular groove 6 has been opened in the said insulator lower surface of going up, and second sealing ring 7 is installed in the annular groove, and this second sealing ring is resisted against the upper side of said case lid; Said insulator 4 has down extended upward flange 41, and this flange passes said first sealing ring, between said insulator down and case lid downside, is provided with the 3rd sealing ring 8.The utility model seals through the three seals circle, and sealing ring all do not expose, and can prevent chemical substance etc. to the sealing ring corrosion, and not only sealing property is better, and has improved the adaptability of transformer.
Above-mentioned execution mode only supplies to explain the usefulness of the utility model; And be not to be the restriction to the utility model; The those of ordinary skill in relevant technologies field; Under the situation that does not break away from the utility model spirit and scope, can also make various variations and modification, so all technical schemes that are equal to also should belong to the category of the utility model.
Claims (1)
1. a sealed transformer insulator comprises being installed in being positioned at the last insulator and following insulator that transformer tank covers downside on the conducting rod, it is characterized in that: first sealing ring is installed between said case lid and the conducting rod; Annular groove has been opened in the said insulator lower surface of going up, and second sealing ring is installed in the annular groove, and this second sealing ring is resisted against the upper side of said case lid; Said insulator has down extended upward flange, and this flange passes said first sealing ring, between said insulator down and case lid downside, is provided with the 3rd sealing ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220167744 CN202632996U (en) | 2012-04-19 | 2012-04-19 | Sealed transformer porcelain bushing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220167744 CN202632996U (en) | 2012-04-19 | 2012-04-19 | Sealed transformer porcelain bushing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202632996U true CN202632996U (en) | 2012-12-26 |
Family
ID=47386157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220167744 Expired - Fee Related CN202632996U (en) | 2012-04-19 | 2012-04-19 | Sealed transformer porcelain bushing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202632996U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111801753A (en) * | 2018-01-23 | 2020-10-20 | Abb电网瑞士股份公司 | Sealing device for a bushing and bushing having such a sealing device |
CN112071596A (en) * | 2020-08-04 | 2020-12-11 | 国家电网有限公司 | Power transformer with running state alarm |
-
2012
- 2012-04-19 CN CN 201220167744 patent/CN202632996U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111801753A (en) * | 2018-01-23 | 2020-10-20 | Abb电网瑞士股份公司 | Sealing device for a bushing and bushing having such a sealing device |
US11769611B2 (en) | 2018-01-23 | 2023-09-26 | Hitachi Energy Switzerland Ag | Sealing arrangement for a bushing and a bushing with such a sealing arrangement |
CN112071596A (en) * | 2020-08-04 | 2020-12-11 | 国家电网有限公司 | Power transformer with running state alarm |
CN112071596B (en) * | 2020-08-04 | 2024-04-19 | 国家电网有限公司 | Power transformer with running state alarm |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202632996U (en) | Sealed transformer porcelain bushing | |
CN202812494U (en) | Embedded wire outlet step flange | |
CN206797695U (en) | Unmanned plane | |
CN203250539U (en) | Protective housing for high-tightness apparatus instrument | |
CN202633640U (en) | Patch plug sealing device and patch plug protecting device for electronic equipment | |
CN203400570U (en) | Leak-proof sealing structure of upper opening cover of filter | |
CN204141073U (en) | A kind of submerged pump cable sealing structure | |
CN203374781U (en) | Sealing ring of motor of dust collector | |
CN202893531U (en) | A centrifuge spindle protection structure | |
CN202402754U (en) | Regulating valve driver | |
CN206116153U (en) | Store up oil tank capsule interface structure | |
CN204721135U (en) | IP66 bearing assembling structure | |
CN203609260U (en) | Cooker lid and pressure cooker | |
CN203758556U (en) | Inserted electromagnetic flow meter installable under pressure having high-pressure-resistant sealing form | |
CN203026318U (en) | Sealing device for secondary terminal of voltage transformer | |
CN203784290U (en) | Sealing ring with multiple sealing channels | |
CN202673384U (en) | Novel engine stigma grease seal | |
CN201173800Y (en) | Wet-type electronic watermeter | |
CN203055938U (en) | Waterproof photovoltaic conflux case | |
CN202883046U (en) | Firmly-installed thread cover plate | |
CN201927642U (en) | Waterproof battery | |
CN203163499U (en) | Annealing furnace for prolonging service life of sealing ring | |
CN202451821U (en) | Sealing device for connector protective shell | |
CN202030958U (en) | Sealing structure for temperature controller of washing machine | |
CN203734038U (en) | Assembled European-style socket |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130419 |