CN102401163A - Drain valve of oil immersed transformer - Google Patents
Drain valve of oil immersed transformer Download PDFInfo
- Publication number
- CN102401163A CN102401163A CN2010102846115A CN201010284611A CN102401163A CN 102401163 A CN102401163 A CN 102401163A CN 2010102846115 A CN2010102846115 A CN 2010102846115A CN 201010284611 A CN201010284611 A CN 201010284611A CN 102401163 A CN102401163 A CN 102401163A
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- oil
- pipe joint
- valve body
- rapid pipe
- drain plug
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Abstract
The invention relates to a drain valve of an oil immersed transformer, which is provided with a valve body with a quick connector and a drain plug, wherein the base part of the valve body with a quick connector is hermetically installed on a drain valve seat of the oil immersed transformer, and internal oil pipelines are communicated; the drain plug is movably installed on the oil outlet end of the valve body with a quick connector, a push rod in the drain plug corresponds to an oil outlet of the valve body with a quick connector, and an oil extraction nipple communicated with the oil outlet of the valve body with a quick connector through the push rod is arranged outside the drain plug. On the basis of the original valve body, the quick connector is added and can be connected with an external oil refilling connector, and oil can be refilled without power off. The oil extraction speed can be controlled, and oil refilling with power on can be realized. The frequency of power off is reduced, and the working efficiency and safe and economic power supply can be improved.
Description
Technical field
The present invention relates to a kind of fuel outlet valve, a kind of specifically oil immersed type mutual inductor fuel outlet valve.
Background technique
The oil immersed type mutual inductor is widely used in having stable insulation in the electric power system of various electric pressures as a kind of electric energy measurement and protective relaying device, and operating experience is abundant, advantages such as long service life.
Fuel outlet valve is a vitals on the oil immersed type mutual inductor, the oil immersed type mutual inductor drain the oil and charged repairing all realizes through the operation fuel outlet valve.Fuel outlet valve structure of the prior art is made up of the valve seat of draining the oil, the spool of draining the oil, sealing gasket, oil sampling nozzle, the bonnet of draining the oil.Between spool and valve seat, drain the oil between mouth and the spool bonnet and drain the oil and be respectively equipped with sealing gasket between the valve seat of draining the oil.When draining the oil, need elder generation that oil sampling nozzle is taken off, the spool of will draining the oil then screws out, through the oily flow of how many controls of the spool back-out of draining the oil.Drain the oil after the end, the spool of will draining the oil screws in and tightens, and refills oil sampling nozzle.Because its complex structure, sealing surface is many, and volume is big, and easy to leak oil can chargedly be got oil, but can not charged repairing, needs during repairing mutual inductor had a power failure to carry out the repairing operation again, influence applying of oil immersed type mutual inductor.How to realize that charged repairing is the key issue during oil immersed type mutual inductor fuel outlet valve is made, and can realize that at present the charged oil of getting can realize that the oil immersed type mutual inductor of charged repairing does not appear in the newspapers as yet.
Summary of the invention
To the above-mentioned fuel outlet valve complex structure that exists in the existing technology, volume is big, easy to leak is oily and can not charged repairing etc. deficiency, the technical problem that the present invention will solve provides a kind of simple in structure, good airproof performance, can chargedly get the oil immersed type mutual inductor fuel outlet valve of oil, repairing.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is:
Oil immersed type mutual inductor fuel outlet valve of the present invention has band rapid pipe joint valve body and oil drain plug, and the base portion of band rapid pipe joint valve body is seal-installed on the valve seat of draining the oil of oil immersed type mutual inductor, and the interior oil pipeline is communicated with; Oil drain plug is movably installed in the oil outlet end of band rapid pipe joint valve body, and the push rod in the oil drain plug is corresponding with the oil outlet of band rapid pipe joint valve body, the outside oil nozzle of getting for being communicated with the oil outlet of band rapid pipe joint valve body through push rod of oil drain plug.
Said band rapid pipe joint valve body comprises shell, rapid pipe joint, spring, briquetting and jump ring; Wherein briquetting, spring and rapid pipe joint are installed in the shell successively; Through jump ring briquetting is fixed in the shell; Rapid pipe joint is located at and is got the oil nozzle inboard, the base of rapid pipe joint under the effect of spring with outer casing inner wall with the seal form butt.
Said push rod is positioned at oil drain plug, is the hollow structure that communicates with oil duct; Also have valve bonnet, be installed on outside the valve seat, have the space of accommodating belt rapid pipe joint valve body and oil drain plug, valve bonnet is for cooperating the not isometrical drum of valve body and oil drain plug diameter; Oil drain plug is connected through the screw thread turn with band rapid pipe joint valve body.
The present invention has following beneficial effect and advantage:
1. can charged repairing.The present invention has increased rapid pipe joint on original valve body basis, can be connected with outside repairing joint, can under situation about not having a power failure, carry out repairing; Both can control and get speed oil; Can realize charged repairing again, reduce frequency of power cut, improve the power supply of working efficiency and safety economy.
2. good sealing effect.The present invention has designed a band rapid pipe joint valve body with self-styled function; Replace original old-fashioned valve body; The double sealing structure of the whole fuel outlet valve of realizing; Because reduced sealing surface, and increased self-styled function, efficiently solving fuel outlet valve maybe be in the generation of the seepage phenomenon under the harsh and unforgiving environments condition.
3. volume is little.The present invention adopts stepped hollow circular cylinder in the design of the valve bonnet of draining the oil, volume is smaller and more exquisite, and is rational in infrastructure, and outward appearance is graceful.
Description of drawings
Fig. 1 is an oil immersed type mutual inductor fuel outlet valve structural representation of the present invention;
Fig. 2 is band rapid pipe joint valve body structure schematic representation among the present invention.
Embodiment
As shown in Figure 1, a kind of oil immersed type mutual inductor of the present invention fuel outlet valve has band rapid pipe joint valve body 2 and oil drain plug 4, and the base portion of band rapid pipe joint valve body 2 is seal-installed on the valve seat 5 of draining the oil of oil immersed type mutual inductor, and the interior oil pipeline is communicated with; Oil drain plug 4 is movably installed in the oil outlet end of band rapid pipe joint valve body 2, and the push rod 41 in the oil drain plug 4 is corresponding with the oil outlet of band rapid pipe joint valve body 2, and oil drain plug 4 is outside to be to get oil nozzle 42 through what push rod 41 can be communicated with the oil outlet of being with rapid pipe joint valve body 2.
Said band rapid pipe joint valve body 2 comprises shell 23, rapid pipe joint 26, spring 24, briquetting 22 and jump ring 21; Wherein briquetting 22, spring 24 and rapid pipe joint 26 are located in the shell 23 successively; Briquetting 22 is fixed in the shell 23 through jump ring 21; Rapid pipe joint 26 is the oil outlet of rapid pipe joint valve body 2, is located at and gets oil nozzle 42 inboards; Rapid pipe joint 26 under the effect of spring 24 with shell 23 portion sealing butt in the enclosure.
Said push rod 41 is located at the inboard middle of oil drain plug 4, the hollow structure of this push rod 41 for communicating with oil duct.Oil drain plug 4 and band rapid pipe joint valve body 2 are connected through the screw thread turn.
In the present embodiment; Draining the oil on the oil immersed type mutual inductor fuel tank is tightly connected through the 1st sealing gasket 1 between valve seat 5 and the band rapid pipe joint valve body 2; Be with rapid pipe joint valve body 2 to be self sealing structure simultaneously; I.e. wherein rapid pipe joint 26 is tightly connected through the 2nd sealing gasket 25 with shell 23 in the enclosure, and the 1st sealing gasket 1 of draining the oil between valve seat 5 and the band rapid pipe joint valve body 2 constituted double sealing structure, can effectively avoid mutual inductor generation seepage.
Be installed in the oil drain plug 4 inboard screw threads that are processed with on the rapid pipe joint valve body 2 all around; Be used for being connected with being with rapid pipe joint valve body 2; The oil drain plug 4 inboard middle poles that are processed into hollow form push rod 41; The outside is processed into taper shape and is got oil nozzle 42, and oily speed can be regulated according to oil drain plug 4 and the degree that band rapid pipe joint valve body 2 screws in; And oil drain plug 4 has gets oil nozzle 42, conveniently gets oil, and transformer oil is with air contact when having prevented the extraction oil sample, and the oily moisture absorption of avoiding emitting in the mutual inductor, air-breathing influences the accuracy that oiling is tested.
Band rapid pipe joint valve body 2 adopts the shell 23 of stainless steel, and shell 23 is put in briquetting 2, spring 24 and rapid pipe joint 26 successively, with jump ring 21 briquetting 2 is fixed in the shell 23 at last.Utilize the stretchability of spring 24, rapid pipe joint 26 reliably is pressed on shell 23, realize from oil sealing.When needs are drained the oil, oil drain plug 4 is screwed in, make can realize draining the oil, repairing.
Present embodiment also comprises the valve bonnet 3 of being located at band rapid pipe joint valve body 2 and oil drain plug 4 outsides, band rapid pipe joint valve body 2 and oil drain plug 4 being had protective action.Have valve bonnet 3 to be installed on outside the valve seat 5, have the space of accommodating belt rapid pipe joint valve body 2 and oil drain plug 4, valve bonnet 3 is for cooperating the not isometrical drum of valve body 2 and oil drain plug 4 diameter.Valve bonnet 3 inboards are processed with screw thread, can be connected with the valve seat 5 of draining the oil, and three not isometrical cylinders are processed in the outside, further reduced volume.
When getting oil, valve bonnet 3 is backed out, oil drain plug 4 is screwed in, make oil drain plug 4 inboard push rods 41 back down the rapid pipe joint 26 in the rapid pipe joint valve body 2, this moment, oil duct was opened, and can get oil.Oil speed can be regulated according to the degree that oil drain plug screws in.When the charged repairing of needs, oil drain plug 4 is taken off, rapid pipe joint 26 is docked with outside repairing joint, open oil pump, get final product repairing.
Claims (5)
1. an oil immersed type mutual inductor fuel outlet valve is characterized in that: have band rapid pipe joint valve body (2) and oil drain plug (4), be with the base portion of rapid pipe joint valve body (2) to be seal-installed on the valve seat of draining the oil (5) of oil immersed type mutual inductor, the connection of interior oil pipeline; Oil drain plug (4) is movably installed in the oil outlet end of band rapid pipe joint valve body (2); Push rod (41) in the oil drain plug (4) is corresponding with the oil outlet of band rapid pipe joint valve body (2), and oil drain plug (4) is outside to be to get oil nozzle (42) through what push rod (41) was communicated with the oil outlet of being with rapid pipe joint valve body (2).
2. by the said oil immersed type mutual inductor of claim 1 fuel outlet valve; It is characterized in that: said band rapid pipe joint valve body (2) comprises shell (23), rapid pipe joint (26), spring (24), briquetting (22) and jump ring (21); Wherein briquetting (22), spring (24) and rapid pipe joint (26) are installed in the shell (23) successively; Through jump ring (21) briquetting (22) is fixed in the shell (23); Rapid pipe joint (26) is located at and is got oil nozzle (42) inboard, the base of rapid pipe joint (26) under the effect of spring (24) with shell (23) inwall with the seal form butt.
3. by the said oil immersed type mutual inductor of claim 1 fuel outlet valve, it is characterized in that: said push rod (41) is positioned at oil drain plug (4), is the hollow structure that communicates with oil duct.
4. by the said oil immersed type mutual inductor of claim 1 fuel outlet valve; It is characterized in that: also have valve bonnet (3); Be installed on outside the valve seat (5), have the space of accommodating belt rapid pipe joint valve body (2) and oil drain plug (4), valve bonnet (3) is for cooperating the not isometrical drum of valve body (2) and oil drain plug (4) diameter.
5. by the said oil immersed type mutual inductor of claim 1 fuel outlet valve, it is characterized in that: oil drain plug (4) band rapid pipe joint valve body (2) connects through the screw thread turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102846115A CN102401163A (en) | 2010-09-17 | 2010-09-17 | Drain valve of oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102846115A CN102401163A (en) | 2010-09-17 | 2010-09-17 | Drain valve of oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102401163A true CN102401163A (en) | 2012-04-04 |
Family
ID=45883655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102846115A Pending CN102401163A (en) | 2010-09-17 | 2010-09-17 | Drain valve of oil immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102401163A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285223A (en) * | 2019-05-24 | 2019-09-27 | 泰州龙通贸易有限公司 | A kind of quick fuel outlet valve |
| CN112344986A (en) * | 2020-09-29 | 2021-02-09 | 中国电力科学研究院有限公司 | Temperature and pressure integrated real-time sensing device for oil-immersed paper insulating sleeve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089102U (en) * | 1991-05-17 | 1991-11-20 | 中国人民解放军八七四五六部队 | Oil-filling and drainage valve |
| US20030079781A1 (en) * | 2001-08-16 | 2003-05-01 | Vaclav Chrz | Quick closing shut-off valve |
| CN2591728Y (en) * | 2002-12-13 | 2003-12-10 | 上海置信电气股份有限公司 | Simple oil sample valve for oil-immersed distributing transformer |
| CN101368638A (en) * | 2007-08-15 | 2009-02-18 | 索尔-丹福斯公司 | Low pressure rise rate pilot operated poppet relief valve |
| CN201391636Y (en) * | 2009-03-09 | 2010-01-27 | 陈小英 | Sealed three-use oil valve |
-
2010
- 2010-09-17 CN CN2010102846115A patent/CN102401163A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089102U (en) * | 1991-05-17 | 1991-11-20 | 中国人民解放军八七四五六部队 | Oil-filling and drainage valve |
| US20030079781A1 (en) * | 2001-08-16 | 2003-05-01 | Vaclav Chrz | Quick closing shut-off valve |
| CN2591728Y (en) * | 2002-12-13 | 2003-12-10 | 上海置信电气股份有限公司 | Simple oil sample valve for oil-immersed distributing transformer |
| CN101368638A (en) * | 2007-08-15 | 2009-02-18 | 索尔-丹福斯公司 | Low pressure rise rate pilot operated poppet relief valve |
| CN201391636Y (en) * | 2009-03-09 | 2010-01-27 | 陈小英 | Sealed three-use oil valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285223A (en) * | 2019-05-24 | 2019-09-27 | 泰州龙通贸易有限公司 | A kind of quick fuel outlet valve |
| CN112344986A (en) * | 2020-09-29 | 2021-02-09 | 中国电力科学研究院有限公司 | Temperature and pressure integrated real-time sensing device for oil-immersed paper insulating sleeve |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120404 |