CN201141462Y - Vacuum oiling valve of high-pressure mutual inductor - Google Patents
Vacuum oiling valve of high-pressure mutual inductor Download PDFInfo
- Publication number
- CN201141462Y CN201141462Y CNU2007201606264U CN200720160626U CN201141462Y CN 201141462 Y CN201141462 Y CN 201141462Y CN U2007201606264 U CNU2007201606264 U CN U2007201606264U CN 200720160626 U CN200720160626 U CN 200720160626U CN 201141462 Y CN201141462 Y CN 201141462Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- mutual inductor
- valve rod
- voltage mutual
- 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
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model relates to a vacuum fuel injecting valve for the high pressure mutual inductor, which belongs to the fluid transportation valve. The vacuum fuel feeding valve is characterized in that a valve rod is installed in the center hole at the upper end part of a valve body, and a sealing element and a pressure cap are installed in the clearance between the valve rod and the valve body; a hand wheel is installed at the upper end of the valve rod; an oil level monitor is installed on the outer side surface at the upper part of the valve body, and an exhausting valve is installed at the outer end of the oil level monitor; the upper part of a diameter changing socket wrench is matched with the lower end of the valve rod, and the lower part of the diameter changing socket wrench is matched with a plugging bolt on oil nipple of the high pressure mutual inductor; a diameter changing joint is installed at the lower end of the valve body; the inner hexagonal size at the lower part of the diameter changing socket wrench is provided with a plurality of specifications, and the size of the center thread hole is also provided with a plurality of specifications. So one fuel injecting valve, one diameter changing socket wrench and one diameter changing joint can be used in a matching way, the oil can be injected or supplied to a variety of high pressure mutual inductors, the special purpose can be changed into the general purpose, and the vacuum fuel injecting valve is very convenient. The vacuum fuel injecting valve has the advantages that the structure is simple and reasonable, the assembling and disassembling are quick, the sealing is good, and the oil can not be leaked. The operating requirement of the maintenance staff of the transformer substation in the electric power system can be satisfied.
Description
(1) technical field
The utility model relates to fluid infusion valve, especially is contained in the fuel feeding valve on the pump nozzle when the oil container oiling temporarily, particularly is a kind of high-voltage mutual inductor vacuum impregnating fuel tap.
(2) background technique
The high-voltage mutual inductor of electric substation band metal expander is an all-sealed structure, can prevent that its inner insulating oil from making moist aging and the accident warning function is arranged.The high-voltage mutual inductor of this structural type all is to adopt vacuum oil and repairing.The pump nozzle of every kind of specification high-voltage mutual inductor and shutoff bolt size difference thereof, manufacturer all is equipped with a kind of special-purpose fuel feeding valve, so fuel feeding valve can not be general.The Shengli Oil Field electric power system is huge, more than 100 in all kinds of electric substations.The high-voltage mutual inductor specification of each manufacturer production is a lot, and its pump nozzle size has nothing in common with each other, and each tame fuel feeding valve structure is all perfect inadequately.Oil field electric power maintenance administrative staff to high-voltage mutual inductor oiling feel deeply inconvenience.By retrieval, have three pieces a little less than relevant patent documents: (200620090638.X), (96247906.3), (200320116519.3).All being not suitable for above-mentioned high-voltage mutual inductor oiling uses.
(3) summary of the invention
The purpose of this utility model just is autonomous innovation, develop and provide a kind of distinguished high-voltage mutual inductor vacuum impregnating fuel tap, not only versatility is good, can be applicable to high-voltage mutual inductor oiling, the repairing of the different size of each manufacturer production, and structure is more reasonable, satisfies oil-field electric system maintenance management personnel's requirement.
Above-mentioned purpose is realized by following technical proposals:
High-voltage mutual inductor vacuum impregnating fuel tap comprises valve body assembly, valve rod, handwheel, oil level monitor unit, outlet valve, reduction center barrel spanner and reducer union.It is characterized in that valve body assembly is made up of valve body, Sealing and pressure cap.Valve rod is contained in the center hole of valve body upper end portion, and valve rod and valve body are equipped with Sealing and pressure cap in the two gap, and handwheel is installed in the valve rod upper end.The oil level monitor unit is installed in the valve body upper side, and outlet valve is installed in oil level monitor unit outer end.The interior four directions on reduction center barrel spanner top and the square head of valve rod lower end match, and interior six sides of bottom and shutoff bolt six square toes on the high-voltage mutual inductor pump nozzle match.Reducer union is installed in valve body lower end.
The valve body of above-mentioned high-voltage mutual inductor vacuum impregnating fuel tap is a cylindrical shape, and the upper end portion is an entity, and there is outer lug boss the underpart, and there is inner chamber the middle and lower part, and there is screwed hole of centre the upper end portion, and lower end mouth has internal thread, and outer side surface has filler opening.
There is outside thread the valve rod upper end of above-mentioned high-voltage mutual inductor vacuum impregnating fuel tap, and there is square head the lower end.
The reducer union first half of above-mentioned high-voltage mutual inductor vacuum impregnating fuel tap is round tube shape and outside thread is arranged that Lower Half is entity and screwed hole of centre is arranged.Screwed hole of centre has multiple Dimensions.
According to the high-voltage mutual inductor vacuum impregnating fuel tap that technique scheme manufactures, simple and reasonable, loading and unloading are quick, good seal, non-leakage oil.Every fuel feeding valve and many reducer unions are supporting, and reducer union first half outside thread is identical, and the Lower Half screwed hole of centre has nothing in common with each other, and match with the pump nozzle of different size on the high-voltage mutual inductor.The reduction center barrel spanner is commercially available standard tooling, every cover plurality of specifications, and the interior four directions of its upper end portion is identical, matches with the square head of valve rod, and interior six sides of its underpart have nothing in common with each other, and match with shutoff bolt six square toes of different size on the high-voltage mutual inductor pump nozzle.So only need a fuel feeding valve, an one cover reducer union and a cover reduction center barrel spanner just can special-purpose flexible usefulness, and the high-voltage mutual inductor of the different size of each manufacturer production is carried out oiling or repairing, very convenient, satisfied electric power system maintenance management personnel's usage requirement.
(4) description of drawings
Accompanying drawing is overall structure of the present utility model and application state schematic representation.
(5) embodiment
Embodiment of accompanying drawings:
In the accompanying drawing, the 1st, handwheel, the 2nd, pressure cap, the 3rd, valve body, the 4th, valve rod, 5, the 9, the 10th, Sealing, the 6th, filler opening, the 7th, reduction center barrel spanner, the 8th, reducer union, the 11st, oil level monitor unit, the 12nd, outlet valve, the 13rd, relief opening, the 14th, pump nozzle shutoff bolt, the 15th, high-voltage mutual inductor pump nozzle.A is the fuel feeding valve inner chamber, and B is an oil-through hole radially, and C is an oil hole.
Shown in accompanying drawing, high-voltage mutual inductor vacuum impregnating fuel tap comprises valve body assembly, valve rod 4, handwheel 1, oil level monitor unit 11, outlet valve 12, reduction center barrel spanner 7 and reducer union 8.It is characterized in that valve body assembly is made up of valve body 3, Sealing (5,9,10) and pressure cap 2.Valve rod 4 is contained in the valve body 3 upper end portion center holes, dress Sealing 5 and pressure cap 2 in valve rod 4 and valve body 3 the two gap, and handwheel 1 is installed in valve rod 4 upper ends.Oil level monitor unit 11 is installed in valve body 3 upper side, and outlet valve 12 is installed in oil level monitor unit 11 outer ends.The square head of the interior four directions on reduction center barrel spanner 7 tops and valve rod 4 lower ends matches, and interior six sides of bottom and shutoff bolt 14 6 square toes on the high-voltage mutual inductor pump nozzle 15 match.Reducer union 8 is installed in valve body 3 lower ends.
Shown in accompanying drawing, valve body 3 is a cylindrical shape, and the upper end portion is an entity, and there is outer lug boss the underpart, and there is inner chamber A the middle and lower part, and there is screwed hole of centre the upper end portion, and lower end mouth has internal thread, and outer side surface has filler opening 6.There is outside thread valve rod 4 upper ends, and there is square head the lower end.Reducer union 8 first halves are round tube shape and outside thread are arranged that Lower Half is entity and screwed hole of centre is arranged that screwed hole of centre has multiple Dimensions.
The operational instruction of high-voltage mutual inductor vacuum impregnating fuel tap: as shown in drawings, earlier reducer union 8 and Sealing 10 are installed on the original pump nozzle 15 of high-voltage mutual inductor before the oiling, again reduction center barrel spanner 7 is enclosed within on original shutoff bolt 14, again valve body 3 bottoms and Sealing 9 is contained in the reducer union 8.Make the interior four directions on square head insertion reduction center barrel spanner 7 tops of valve rod 4 lower ends simultaneously.Air vent from high-voltage mutual inductor vacuumizes then.At last from filler opening 6 oilings.Rotate counterclockwise handwheel 1, make on the shutoff bolt 14 and move, insulating oil enters the A chamber under the effect of negative pressure, and enters high-voltage mutual inductor through B hole and C hole.Outlet valve 12 is used for discharging the gas that folds from oil, when unnecessary gas drains, be full of insulating oil in the oil level monitor unit 11, closes outlet valve 12 this moment.Clockwise rotate handwheel 1 then, shutoff bolt 14 is moved down block the C hole.Unload fuel feeding valve at last, an oiling finishes.
Claims (4)
1. high-voltage mutual inductor vacuum impregnating fuel tap, comprise valve body assembly, valve rod (4), handwheel (1), oil level monitor unit (11), outlet valve (12), reduction center barrel spanner (7) and reducer union (8), it is characterized in that valve body assembly is by valve body (3), Sealing (5,9,10) and pressure cap (2) form, valve rod (4) is contained in the center hole of valve body (3) upper end portion, adorn Sealing (5) and pressure cap (2) in valve rod (4) and the two gap of valve body (3), handwheel (1) is installed in valve rod (4) upper end, oil level monitor unit (11) is installed in valve body (3) upper side, outlet valve (12) is installed in oil level monitor unit (11) outer end, the square head of the interior four directions on reduction center barrel spanner (7) top and valve rod (4) lower end matches, interior six sides of bottom and shutoff bolt (14) six square toes on the high-voltage mutual inductor oil nozzle (15) match, and reducer union (8) is installed in valve body (3) lower end.
2. high-voltage mutual inductor vacuum impregnating fuel tap according to claim 1 is characterized in that valve body (3) is a cylindrical shape, and the upper end portion is an entity, there is outer lug boss the underpart, and there is inner chamber (A) middle and lower part, and there is screwed hole of centre the upper end portion, lower end mouth has internal thread, and outer side surface has filler opening.
3. high-voltage mutual inductor vacuum impregnating fuel tap according to claim 1 is characterized in that there is outside thread valve rod (4) upper end, and there is square head the lower end.
4. high-voltage mutual inductor vacuum impregnating fuel tap according to claim 1 is characterized in that reducer union (8) first half is round tube shape and outside thread is arranged, and Lower Half is entity and screwed hole of centre is arranged that screwed hole of centre has multiple Dimensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201606264U CN201141462Y (en) | 2007-12-25 | 2007-12-25 | Vacuum oiling valve of high-pressure mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201606264U CN201141462Y (en) | 2007-12-25 | 2007-12-25 | Vacuum oiling valve of high-pressure mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201141462Y true CN201141462Y (en) | 2008-10-29 |
Family
ID=40069173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201606264U Expired - Fee Related CN201141462Y (en) | 2007-12-25 | 2007-12-25 | Vacuum oiling valve of high-pressure mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201141462Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664090A (en) * | 2012-04-26 | 2012-09-12 | 衡阳市南方互感器有限公司 | Visible transformer vaporific instillation vacuum oil injecting device |
| CN103292011A (en) * | 2013-07-01 | 2013-09-11 | 核工业理化工程研究院 | Pneumatic oil injection cut-off valve |
-
2007
- 2007-12-25 CN CNU2007201606264U patent/CN201141462Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664090A (en) * | 2012-04-26 | 2012-09-12 | 衡阳市南方互感器有限公司 | Visible transformer vaporific instillation vacuum oil injecting device |
| CN103292011A (en) * | 2013-07-01 | 2013-09-11 | 核工业理化工程研究院 | Pneumatic oil injection cut-off valve |
| CN103292011B (en) * | 2013-07-01 | 2015-01-14 | 核工业理化工程研究院 | Pneumatic oil injection cut-off valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |