CN203395305U - Transformer decompression valve - Google Patents
Transformer decompression valve Download PDFInfo
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- CN203395305U CN203395305U CN201320457783.7U CN201320457783U CN203395305U CN 203395305 U CN203395305 U CN 203395305U CN 201320457783 U CN201320457783 U CN 201320457783U CN 203395305 U CN203395305 U CN 203395305U
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- valve body
- seal ring
- transformer
- valve
- valve gap
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Abstract
The utility model discloses a transformer decompression valve. The technical scheme is that the transformer decompression valve is characterized by comprising a valve body, a valve cover arranged on the valve body, a piston arranged in the valve body and an oil storage bottle arranged on one side of the valve body. The valve body is provided with a pressure relief opening, the oil storage bottle is connected with the valve body through the pressure relief opening and a backflow pipe, a first seal ring is arranged on one side of the piston corresponding to the valve cover, and a second seal ring is arranged on the other side of the piston corresponding to the valve cover and located on the other side of the pressure relief opening corresponding to the valve cover. A baffle and an elastic returning device are further arranged in the valve cover, the elastic returning device is located between the baffle and the first seal ring, an adjusting device in threaded connection with the valve cover is arranged at the other end of the valve cover corresponding to the valve body and is in linkage with the baffle, and a blocking piece capable of covering a through hole and being opened in the direction of turning the back to the valve cover is arranged on one side of the second seal ring turning the back to the valve cover. Reasonable pressure release can be set for the transformer decompression valve according to different conditions and requirements, product quality is improved, and safety in transformer running is guaranteed.
Description
Technical field
The utility model relates to a kind of field transformer, is specifically related to a kind of transformer Decompression valves.
Background technique
Existing transformer Decompression valves is generally comprised of valve body, valve gap and valve pad, valve pad is squeezed in valve port place by valve gap, valve gap is that non-tight is connected with the valve body mouth of pipe, when the inner generation of transformer pressure, pressure impacts valve pad and also from the gap between valve gap and the valve body mouth of pipe, gushes, although this structure can play certain pressure release effect, when the pressure in transformer increases suddenly at that time, conventionally cause transformer oil to spray outward, the transformer oil of outer spray is not recyclable, causes the waste of transformer oil.
The defect existing for appeal structure, on market, there is a kind of transformer Decompression valves, it is by the oil storage bottle being communicated with Decompression valves in Decompression valves one side setting, by oil storage bottle, will recycle from the transformer oil of Decompression valves ejection, but this Decompression valves adopts uncontrollable spring as the elasticity reset device of Decompression valves, consider elastic fatigue degree and the impact of temperature variation on oil tank of transformer internal pressure of spring, uncontrollable spring reset mechanism is not well positioned to meet the job requirement of transformer Decompression valves under any temperature environment, once reaching maximum, the pressure in transformer bears limit, and when now Decompression valves is not opened because pressure setting is unreasonable, there is certain potential safety hazard, still there is improved space.
Model utility content
The deficiency existing for prior art, the utility model provides a kind of transformer Decompression valves, and this transformer Decompression valves is provided with controlling device, can and need to set rational release pressure for transformer Decompression valves according to different situations, improve the quality of products, guarantee the safe operation of transformer.
For achieving the above object, the utility model provides following technological scheme: a kind of transformer Decompression valves, comprise valve body, be located at the valve gap on valve body, be located at piston and the oil storage bottle of being located at valve body one side in valve body, on described valve body, offer pressure relief opening, pressure relief opening place is provided with reflow pipe, oil storage bottle is connected with valve body with reflow pipe by pressure relief opening, corresponding valve gap one side of piston is provided with the first seal ring, the opposite side of the corresponding valve gap of piston is provided with the second seal ring, the second seal ring is positioned at the opposite side of the corresponding valve gap of pressure relief opening, in described valve gap, be also provided with baffle plate and elasticity reset device, described elasticity reset device is between baffle plate and the first seal ring, the other end of the corresponding valve body of valve gap is provided with the controlling device being threaded with valve gap, controlling device and baffle plate are connected.
By adopting technique scheme, in valve body, be provided with piston, corresponding valve gap one side of piston is provided with the first seal ring, the opposite side of the corresponding valve gap of piston is provided with the second seal ring, offers pressure relief opening on valve body, and pressure relief opening is connected with oil storage bottle by reflow pipe, in valve gap, be provided with elasticity reset device, when pressure in transformer is normal, piston is in initial position under the effect of elasticity reset device, and now the second seal ring is positioned at the opposite side of the corresponding valve gap of pressure relief opening; When transformer internal pressure raises suddenly and sprays transformer oil, now under the effect of pressure, promote piston, make elasticity reset device elastic strain, piston movement drives the second seal ring to rise, when the second seal ring is during in corresponding valve gap one side of pressure relief opening, pressure in transformer discharges from pressure relief opening, and the transformer oil of ejection enters in oil storage bottle by pressure relief opening and return tube; When the pressure in transformer recovers normal, piston is got back to initial position under the effect of elasticity reset device; The other end of the corresponding valve body of valve gap is provided with the controlling device being threaded with valve gap, controlling device and baffle plate are connected, elasticity reset device is between baffle plate and the first seal ring, can be according to different situations and needs, by controlling device, adjust the rated pressure value of elasticity reset device, for transformer, set more reasonable and accurate release pressure, guarantee the safe operation of transformer.
The utility model is further set to, and described the second seal ring is provided with through hole, and the second seal ring dorsad valve gap one side is provided with the catch that can cover through hole and can open along valve gap direction dorsad.
By adopting technique scheme, the second seal ring is provided with through hole, and the second seal ring dorsad valve gap one side is provided with and can covers through hole can be along the catch that valve gap direction is opened dorsad, and catch can only be opened towards valve gap direction dorsad; When transformer internal pressure is elevated to certain value and opens Decompression valves, now pressed gas and transformer oil promote piston to valve gap one side shifting, and catch blocks through hole under pressure; When transformer internal pressure recovers normal, spray and enter the transformer oil natural back flow under Action of Gravity Field in oil storage bottle, by return tube and pressure relief opening, get back in valve body, now catch is opened towards valve gap direction dorsad under transformer oil Action of Gravity Field, transformer oil flow back in transformer by through hole, and the transformer oil spraying while making pressure release is reclaimed.
The utility model is further set to, and described elasticity reset device is spring.
By adopting technique scheme, elasticity reset device is spring, simple in structure, easy to process.
The utility model is further set to, and the external diameter of described the first seal ring is greater than the internal diameter of valve body.
By adopting technique scheme, the first seal ring adaptation is arranged in valve gap, and the external diameter of the first seal ring is greater than the internal diameter of valve body, while making elasticity reset device push the first seal ring, the first seal ring can be stuck in corresponding valve gap one side of valve body, plays position-limiting action.
The utility model is further set to, and described oil storage bottle is funnel-like.
By adopting technique scheme, oil storage bottle is arranged to funnel-like, and the transformer oil spraying while being convenient to transformer pressure release is collected, and facilitates transformer oil to get back in transformer by return line flow.
The utility model is further set to, and described oil storage bottle is provided with steam outlet pipe, on the sidewall of steam outlet pipe, offers air outlet.
By adopting technique scheme, oil storage bottle is provided with steam outlet pipe, on the sidewall of steam outlet pipe, offer air outlet, air outlet is connected with ambient air, pressure in transformer is discharged by the steam outlet pipe on oil storage bottle, avoids introduced contaminants directly from steam outlet pipe, to enter in oil storage bottle and pollute transformer oil simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model transformer Decompression valves;
Structural representation when Fig. 2 is the utility model transformer Decompression valves working state.
Reference character: 1, valve body; 11, pressure relief opening; 2, valve gap; 21, baffle plate; 22, elasticity reset device; 3, piston; 31, the first seal ring; 32, the second seal ring; 321, through hole; 322, catch; 4, oil storage bottle; 41, steam outlet pipe; 42, air outlet; 5, reflow pipe.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model transformer Decompression valves embodiment is described further.
A kind of transformer Decompression valves, comprise valve body 1, be located at the valve gap 2 on valve body 1, be located at piston 3 and the oil storage bottle 4 of being located at valve body 1 one sides in valve body 1, on valve body 1, offer pressure relief opening 11, pressure relief opening 11 places are provided with reflow pipe 5, oil storage bottle 4 is connected with valve body 1 with reflow pipe 5 by pressure relief opening 11, corresponding valve gap 2 one sides of piston 3 are provided with the first seal ring 31, the opposite side of the corresponding valve gap 2 of piston 3 is provided with the second seal ring 32, the second seal ring 32 is positioned at the opposite side of the corresponding valve gap 2 of pressure relief opening 11, in valve gap 2, be also provided with baffle plate 21 and elasticity reset device 22, elasticity reset device 22 is between baffle plate 21 and the first seal ring 31, the other end of the corresponding valve body 1 of valve gap 2 is provided with the controlling device being threaded with valve gap 2, controlling device and baffle plate 21 are connected.
By adopting technique scheme, in valve body 1, be provided with piston 3, corresponding valve gap 2 one sides of piston 3 are provided with the first seal ring 31, the opposite side of the corresponding valve gap 2 of piston 3 is provided with the second seal ring 32, on valve body 1, offer pressure relief opening 11, pressure relief opening 11 is connected with oil storage bottle 4 by reflow pipe 5, the height of oil storage bottle 4 should be higher than the height of pressure relief opening 11, in valve gap 2, be provided with elasticity reset device 22, when pressure in transformer is normal, piston 3 under the effect of elasticity reset device 22 in initial position, as shown in Figure 1, now the second seal ring 32 is positioned at the opposite side of the corresponding valve gap 2 of pressure relief opening 11, when transformer internal pressure raises suddenly and sprays transformer oil, now under the effect of pressure, promote piston 3, make elasticity reset device 22 elastic strains, piston 3 motions drive the second seal ring 32 to rise, when the second seal ring 32 is during in corresponding valve gap 2 one side of pressure relief opening 11, as shown in Figure 2, now the pressure in transformer discharges from pressure relief opening 11, and the transformer oil of ejection enters in oil storage bottle 4 by pressure relief opening 11 and return tube, when the pressure in transformer recovers normal, piston 3 is got back to initial position under the effect of elasticity reset device 22, the other end of the corresponding valve body 1 of valve gap 2 is provided with the controlling device being threaded with valve gap 2, controlling device and baffle plate 21 are connected, elasticity reset device 22 is between baffle plate 21 and the first seal ring 31, can be according to different situations and needs, by controlling device, adjust the rated pressure value of elasticity reset device 22, for transformer, set more reasonable and accurate release pressure, guarantee the safe operation of transformer.
Described the second seal ring 32 be provided with through hole 321, the second seal rings 32 dorsad valve gap 2 one sides be provided with and can cover through hole 321 can be along the catch 322 that valve gap 2 directions are opened dorsad.
By adopting technique scheme, the second seal ring 32 is provided with through hole 321, the second seal ring 32 dorsad valve gap 2 one sides is provided with and can covers through hole 321 and can it should be noted that along the catch 322(that valve gap 2 directions are opened dorsad herein, catch 322 under nature by elastic component by through hole 321 shutoff, only when being back to through hole 321 place when transformer oil, catch 322 just can be opened under the pressure-acting of transformer oil), catch 322 can only be towards valve gap 2 directions unlatchings dorsad; When transformer internal pressure is elevated to certain value and opens Decompression valves, now pressed gas and transformer oil promote piston 3 to valve gap 2 one side shiftings, and catch 322 blocks through hole 321 under pressure; When transformer internal pressure recovers normal, spray and enter the transformer oil natural back flow under Action of Gravity Field in oil storage bottle 4, by return tube and pressure relief opening 11, get back in valve body 1, now catch 322 is opened towards 2 directions of valve gap dorsad under transformer oil Action of Gravity Field, transformer oil flow back in transformer by through hole 321, and the transformer oil spraying while making pressure release is reclaimed.
Described elasticity reset device 22 is spring.
By adopting technique scheme, elasticity reset device 22 is spring, simple in structure, easy to process.
The external diameter of described the first seal ring 31 is greater than the internal diameter of valve body 1.
By adopting technique scheme, the first seal ring 31 adaptations are arranged in valve gap 2, and the external diameter of the first seal ring 31 is greater than the internal diameter of valve body 1, while making elasticity reset device 22 extruding the first seal ring 31, the first seal ring 31 can be stuck in corresponding valve gap 2 one sides of valve body 1, plays position-limiting action.
Described oil storage bottle 4 is funnel-like.
By adopting technique scheme, oil storage bottle 4 is arranged to funnel-like, and the transformer oil spraying while being convenient to transformer pressure release is collected, and facilitates transformer oil to flow back in transformer by reflow pipe 5.
Described oil storage bottle 4 is provided with steam outlet pipe 41, offers air outlet 42 on the sidewall of steam outlet pipe 41.
By adopting technique scheme, oil storage bottle 4 is provided with steam outlet pipe 41, on the sidewall of steam outlet pipe 41, offer air outlet 42, air outlet 42 is connected with ambient air, pressure in transformer is discharged by the steam outlet pipe 41 on oil storage bottle 4, avoids introduced contaminants directly from steam outlet pipe 41, to enter in oil storage bottle 4 and pollute transformer oil simultaneously.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a transformer Decompression valves, comprise valve body, be located at the valve gap on valve body, be located at piston and the oil storage bottle of being located at valve body one side in valve body, on described valve body, offer pressure relief opening, pressure relief opening place is provided with reflow pipe, oil storage bottle is connected with valve body with reflow pipe by pressure relief opening, corresponding valve gap one side of piston is provided with the first seal ring, the opposite side of the corresponding valve gap of piston is provided with the second seal ring, the second seal ring is positioned at the opposite side of the corresponding valve gap of pressure relief opening, it is characterized in that: in described valve gap, be also provided with baffle plate and elasticity reset device, described elasticity reset device is between baffle plate and the first seal ring, the other end of the corresponding valve body of valve gap is provided with the controlling device being threaded with valve gap, controlling device and baffle plate are connected.
2. a kind of transformer Decompression valves according to claim 1, is characterized in that: described the second seal ring is provided with through hole, and the second seal ring dorsad valve gap one side is provided with the catch that can cover through hole and can open along valve gap direction dorsad.
3. a kind of transformer Decompression valves according to claim 1 and 2, is characterized in that: described elasticity reset device is spring.
4. a kind of transformer Decompression valves according to claim 3, is characterized in that: the external diameter of described the first seal ring is greater than the internal diameter of valve body.
5. a kind of transformer Decompression valves according to claim 4, is characterized in that: described oil storage bottle is funnel-like.
6. a kind of transformer Decompression valves according to claim 5, is characterized in that: described oil storage bottle is provided with steam outlet pipe, on the sidewall of steam outlet pipe, offers air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457783.7U CN203395305U (en) | 2013-07-29 | 2013-07-29 | Transformer decompression valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457783.7U CN203395305U (en) | 2013-07-29 | 2013-07-29 | Transformer decompression valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203395305U true CN203395305U (en) | 2014-01-15 |
Family
ID=49906838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320457783.7U Expired - Fee Related CN203395305U (en) | 2013-07-29 | 2013-07-29 | Transformer decompression valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203395305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476377A (en) * | 2022-04-02 | 2022-05-13 | 海门市圆德模塑科技有限公司 | Plastic container with air pressure adjusting function |
-
2013
- 2013-07-29 CN CN201320457783.7U patent/CN203395305U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476377A (en) * | 2022-04-02 | 2022-05-13 | 海门市圆德模塑科技有限公司 | Plastic container with air pressure adjusting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20180729 |