CN209569403U - A kind of novel transformer pressure relief valve - Google Patents
A kind of novel transformer pressure relief valve Download PDFInfo
- Publication number
- CN209569403U CN209569403U CN201920094280.5U CN201920094280U CN209569403U CN 209569403 U CN209569403 U CN 209569403U CN 201920094280 U CN201920094280 U CN 201920094280U CN 209569403 U CN209569403 U CN 209569403U
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- China
- Prior art keywords
- relief valve
- pressure relief
- rubber ring
- sealing rubber
- rotary shaft
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Abstract
The utility model discloses a kind of novel transformer pressure relief valves, including pressure relief valve ontology, fixed plate, L-type sealing rubber ring, rivet, limit oiled-plate method, rotary shaft, seal gasket and sealing nut, the inner cavity of the pressure relief valve ontology is movably installed with rotary shaft, and the surface of the rotary shaft is fixedly connected with limited oiled-plate method.The utility model is provided with pressure relief valve ontology, fixed plate, L-type sealing rubber ring, rivet, limit oiled-plate method, rotary shaft, seal gasket and sealing nut, playing effectively to replace its internal L-type sealing rubber ring, not only reduce replacement difficulty, and improve replacement quality, solves existing pressure-relief valve for transformer sealing rubber ring after prolonged use, meeting aging failure, its relief valve internal structure leads to not replace sealing rubber ring again, so that the requirement that uses for a long time is not achieved in it, and the problem of greatly shorten its service life.
Description
Technical field
The utility model relates to pressure relief valve technical field, specially a kind of novel transformer pressure relief valve.
Background technique
Pressure relief valve is a kind of pressure protective device of transformer, and when inside transformer breaks down, oil decomposition is produced
Raw bulk gas, due to transformer be it is substantially closed, the connecting leg for being connected to conservator is thinner, and being by small connecting leg only cannot be efficiently and effectively
Pressure is reduced, tank pressure is caused sharply to increase, will lead to oil tank of transformer rupture, pressure relief valve will be opened in time, arrange
Except some transformers oil, the pressure in mailbox is reduced, after tank pressure reduction, pressure relief valve will be closed automatically, and be protected
The sealing of fuel tank is held, currently, Domestic Transformers pressure relief valve, is by pedestal, sealing rubber ring, membranous disc, spring and valve bonnet etc.
Part composition, internal structure are that cushion rubber is mounted in valve seat and membranous disc forms sealing surface, and spring is mounted on membranous disc top, mentions
The pressing force of the close cover of pressure supply, this structure using be for many years it is sufficiently stable reliable, with the development of power industry, transformer
The it is proposed of the requirements such as component steady operation 20 years, existing pressure-relief valve for transformer sealing rubber ring after prolonged use, meeting
Aging failure, relief valve internal structure lead to not again replace sealing rubber ring so that its be not achieved for a long time use want
It asks, and greatly shortens its service life, for this purpose, it is proposed that a kind of novel transformer pressure relief valve.
Utility model content
The purpose of this utility model is to provide a kind of novel transformer pressure relief valves, have replaceable sealing rubber ring
The advantages of, solve existing pressure-relief valve for transformer sealing rubber ring after prolonged use, meeting aging failure, relief valve
Internal structure leads to not replace sealing rubber ring again, so that the requirement used for a long time is not achieved in it, and greatly shortens it
The problem of service life.
To achieve the above object, the utility model provides the following technical solutions: a kind of novel transformer pressure relief valve,
Including pressure relief valve ontology, fixed plate, L-type sealing rubber ring, rivet, oiled-plate method, rotary shaft, seal gasket and sealing nut are limited,
The inner cavity of the pressure relief valve ontology is movably installed with rotary shaft, and the surface of the rotary shaft is fixedly connected with limited oiled-plate method, institute
It states the lower end on the left of pressure relief valve chamber body and is equipped with seal gasket positioned at the outer sheath of rotary shaft, the seal gasket
Left side is connected with sealing nut, and the upper end at left and right sides of the pressure relief valve chamber body is provided with L-type sealing rubber ring,
Fixed plate is provided on the inside of the L-type sealing rubber ring, the top riveting of the fixed plate has rivet.
Preferably, the planform of the L-type sealing rubber ring is L-type cushion rubber.
Preferably, the rivet runs through fixed plate and L-type sealing rubber ring, and is fixedly connected with pressure relief valve ontology.
Preferably, the limit oiled-plate method is circular configuration.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model be provided with pressure relief valve ontology, fixed plate, L-type sealing rubber ring, rivet, limit oiled-plate method, rotary shaft,
Seal gasket and sealing nut, playing effectively to replace its internal L-type sealing rubber ring, not only reduce replacement
Difficulty, and replacement quality is improved, solve existing pressure-relief valve for transformer sealing rubber ring after prolonged use, it can be old
Change failure, relief valve internal structure leads to not replace sealing rubber ring again, so that the requirement used for a long time is not achieved in it,
And the problem of greatly shortening its service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the general assembly structural schematic diagram of the utility model pressure relief valve.
In figure: 1 pressure relief valve ontology, 2 fixed plates, 3 L-type sealing rubber rings, 4 rivets, 5 limit oiled-plate methods, 6 rotary shafts, 7 close
Potting pad, 8 sealing nuts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of novel transformer pressure relief valve referring to FIG. 1-2, including pressure relief valve ontology 1, fixed plate 2, L
Type sealing rubber ring 3, rivet 4, limit oiled-plate method 5, rotary shaft 6, seal gasket 7 and sealing nut 8, the inner cavity of pressure relief valve ontology 1
It is movably installed with rotary shaft 6, the surface of rotary shaft 6 is fixedly connected with limited oiled-plate method 5, and limit oiled-plate method 5 is circular configuration, pressure relief valve
Lower end on the left of 1 inner cavity of ontology and the outer sheath for being located at rotary shaft 6 are equipped with seal gasket 7, and the left side of seal gasket 7 is flexibly connected
There is sealing nut 8, the upper end at left and right sides of 1 inner cavity of pressure relief valve ontology is provided with L-type sealing rubber ring 3, L-type sealing rubber ring 3
Planform be L-type cushion rubber, the inside of L-type sealing rubber ring 3 is provided with fixed plate 2, and the top riveting of fixed plate 2 has rivet 4,
Rivet 4 runs through fixed plate 2 and L-type sealing rubber ring 3, and is fixedly connected with pressure relief valve ontology 1, and playing can be effectively by it
Internal L-type sealing rubber ring 3 is replaced, and not only reduces replacement difficulty, and improve replacement quality, solves existing change
After prolonged use, meeting aging failure, relief valve internal structure leads to not more depressor pressure relief valve sealing rubber ring again
Sealing rubber ring is changed, so that the requirement that uses for a long time is not achieved in it, and the problem of greatly shorten its service life.
In use, limit oiled-plate method 5 is mounted in the upper surface of rotary shaft 6, and connected together by rivet 4, is sealed simultaneously
Rubber mat 7 is wrapped in the surface of rotary shaft 6, and is compressed it together using sealing nut 8, to prevent transformer oil from rotary shaft
It is oozed out at 6, when needing replacing the L-type sealing rubber ring 3 in pressure relief valve ontology 1, first by the rotation of rotary shaft 6 to closure position
It sets, and rotary shaft 6 will drive limit oiled-plate method 5 and the transformer oil barrier in transformer is being limited oiled-plate method 5 hereinafter, at this moment can will release
All all replacements of L-type sealing rubber ring 3 inside valve are put, playing effectively to carry out its internal L-type sealing rubber ring 3 more
It changes, not only reduces replacement difficulty, and improve replacement quality, solve existing pressure-relief valve for transformer sealing rubber ring and exist
After long-time use, meeting aging failure, relief valve internal structure leads to not replace sealing rubber ring again, so that it is not achieved
The requirement that uses for a long time, and the problem of greatly shorten its service life.
In summary: it is close to be provided with pressure relief valve ontology 1, fixed plate 2, L-type for the novel transformer pressure relief valve
Sealing rubber ring 3, rivet 4, limit oiled-plate method 5, rotary shaft 6, seal gasket 7 and sealing nut 8, playing can be effectively by its internal L
Type sealing rubber ring 3 is replaced, and replacement difficulty is not only reduced, and improves replacement quality, solves existing transformer pressure
After prolonged use, meeting aging failure, relief valve internal structure leads to not replacement sealing to power relief valve sealing rubber ring again
Cushion rubber, so that the requirement that uses for a long time is not achieved in it, and the problem of greatly shorten its service life.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of novel transformer pressure relief valve, including pressure relief valve ontology (1), fixed plate (2), L-type sealing rubber ring
(3), rivet (4), limit oiled-plate method (5), rotary shaft (6), seal gasket (7) and sealing nut (8), it is characterised in that: the pressure
The inner cavity of release valve body (1) is movably installed with rotary shaft (6), and the surface of the rotary shaft (6) is fixedly connected with limited oiled-plate method
(5), the lower end on the left of pressure relief valve ontology (1) inner cavity and be located at rotary shaft (6) outer sheath be equipped with seal gasket
(7), it is connected with sealing nut (8) on the left of the seal gasket (7), described pressure relief valve ontology (1) inner cavity or so
The upper end of two sides is provided with L-type sealing rubber ring (3), is provided with fixed plate (2) on the inside of the L-type sealing rubber ring (3), described solid
The top riveting of fixed board (2) has rivet (4).
2. a kind of novel transformer pressure relief valve according to claim 1, it is characterised in that: the L-type sealant
The planform for enclosing (3) is L-type cushion rubber.
3. a kind of novel transformer pressure relief valve according to claim 1, it is characterised in that: the rivet (4) is passed through
Fixed board (2) and L-type sealing rubber ring (3) are fastened, and is fixedly connected with pressure relief valve ontology (1).
4. a kind of novel transformer pressure relief valve according to claim 1, it is characterised in that: the limit oiled-plate method (5)
For circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094280.5U CN209569403U (en) | 2019-01-21 | 2019-01-21 | A kind of novel transformer pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094280.5U CN209569403U (en) | 2019-01-21 | 2019-01-21 | A kind of novel transformer pressure relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569403U true CN209569403U (en) | 2019-11-01 |
Family
ID=68332995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920094280.5U Active CN209569403U (en) | 2019-01-21 | 2019-01-21 | A kind of novel transformer pressure relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569403U (en) |
-
2019
- 2019-01-21 CN CN201920094280.5U patent/CN209569403U/en active Active
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