CN207976201U - Rainwater-proof invades transformer pipe type oil-level gauge - Google Patents
Rainwater-proof invades transformer pipe type oil-level gauge Download PDFInfo
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- CN207976201U CN207976201U CN201820255533.8U CN201820255533U CN207976201U CN 207976201 U CN207976201 U CN 207976201U CN 201820255533 U CN201820255533 U CN 201820255533U CN 207976201 U CN207976201 U CN 207976201U
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- annulus
- level indicator
- oil level
- oil
- rainwater
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Abstract
The utility model discloses a kind of rainwater-proofs to invade transformer pipe type oil-level gauge, oil level indicator shell lower end is equipped with oil level indicator interface, the oil level indicator interface includes the first annulus, the second annulus, third annulus, first annulus upper end is fixed on oil level indicator housing bottom, second annulus is fixed on the first annulus lower face, outer ring is equipped with the external screw thread with the screw-internal thread fit on the oil level indicator pedestal of circular ring shape, and third annulus is fixed on the first annulus lower face, internal diameter is more than annulus pedestal outer diameter, is highly less than the annulus substructure height；Second annulus outer ring and third annulus inner ring form first annular groove in the first annulus lower face, and first annular gasket is provided in the first annular groove bottom；Oil level indicator case top inner ring is equipped with internal thread；Pressure relief valve lower end is equipped with the pressure relief valve interface constructed with oil level indicator interface same principle.This oil level indicator is easily installed, good seal performance, can effectively prevent in rainwater intrusion oil tank of transformer.
Description
Technical field
The utility model is related to a kind of transformer pipe type oil-level gauges, and in particular to a kind of rainwater-proof intrusion transformer tubular type oil
Position meter.
Background technology
Transformer pipe type oil-level gauge is mounted on transformer, for measuring transformer oil content how much, principle is
Oil float connect connecting rod, small end be equipped with buoy instruction device, by oil float with fluid surface moves up and down by drive buoy
Instruction device shows the height of fluid liquid level.Existing transformer pipe type oil-level gauge is mostly that oil level indicator pedestal is fixed on fuel tank
It covers, is then mounted vertically in oil level indicator on oil level indicator pedestal by bolt, this mounting means leakproofness is poor, and rainwater is very
Readily along in intrusion to fuel tank on the contact surface of oil level indicator and oil level indicator pedestal, the pollution of transformer oil, or intrusion is caused to become
In depressor, cause it is transformer insulated make moist or burn out, and then cause safety accident.
Invention content
The purpose of this utility model is to provide a kind of rainwater-proof intrusion transformer pipe type oil-level gauge, this oil level indicator is convenient for peace
Dress, good seal performance can be effectively prevent in rainwater intrusion oil tank of transformer.
To achieve the above object, a kind of rainwater-proof that the utility model uses invades transformer pipe type oil-level gauge, including oil
Position meter pedestal, oil level indicator, the oil level indicator are installed on the oil level indicator pedestal, and oil level indicator includes oil level indicator shell, connecting rod, oil
Floating, oil float scale, connecting rod lower end connects the oil float, small end connects the oil float scale, and oil float scale is located at the oil
In the meter shell of position, oil level indicator shell is equipped with observation window, and oil level indicator shell upper end is equipped with pressure relief valve；It is characterized in that：
The oil level indicator pedestal is annulus pedestal, which is equipped with internal thread；Oil level indicator shell lower end
Equipped with oil level indicator interface, which includes the first annulus, the second annulus, third annulus, and the first annulus upper end is fixed on
The oil level indicator housing bottom, second annulus be fixed on the first annulus lower face, outer ring be equipped with on the annulus pedestal
Screw-internal thread fit external screw thread, the third annulus be fixed on the first annulus lower face, internal diameter be more than the annulus pedestal outside
Diameter is highly less than the annulus substructure height；Second annulus outer ring and third annulus inner ring are formed in the first annulus lower face
First annular groove is provided with first annular gasket in the first annular groove bottom；
The oil level indicator case top inner ring is equipped with internal thread；The pressure relief valve lower end connects equipped with pressure relief valve
Mouthful, which includes the 4th annulus, the 5th annulus, the 6th annulus, and the 4th annulus upper end is fixed on the pressure
Relief valve bottom, the 5th annulus be fixed on the 4th annulus lower face, outer ring be equipped with on the oil level indicator shell
The external screw thread of screw-internal thread fit, the 6th annulus is fixed on the 4th annulus lower face, internal diameter is more than outside the oil level indicator shell
Diameter；The 5th annulus outer ring and the 6th annulus inner ring form second annular groove in the 4th annulus lower face, second annular
The second Gask-O-Seal is provided in bottom portion of groove.
Further, second internal radius is equal with first internal radius, the third annulus outer diameter and institute
It is equal to state the first annulus outer diameter.
Preferably, the oil level indicator interface is an integral molding structure.
Further, the 5th internal radius is equal with the 4th internal radius, the 6th annulus outer diameter and institute
It is equal to state the 4th annulus outer diameter.
Preferably, the pressure relief valve interface is an integral molding structure.
Preferably, the first annular gasket and second Gask-O-Seal are rubber gasket.
Oil level indicator pedestal is fixed on by welding manner on the case lid of oil tank of transformer, and oil level indicator is by being threadably mounted at oil
On the meter pedestal of position, installation, dismounting can be facilitated；The second annulus on oil level indicator interface with oil level indicator pedestal by screw-thread fit, and
There are third annulus, the second annulus to form first annular groove, first annular gasket with third annulus outside oil level indicator pedestal
It is set to the first annular groove bottom to be formed at the first sealing, the umbrella at third annulus and pairs of first sealing of the first circular ring shape
Shape shield can effectively completely cut off rainwater and be directly entered at sealing；And since Open Side Down for first annular groove, inside can have
Certain air, even if there are can completely cut off ponding first annular recessed if the air in first annular groove when ponding on case lid
Outside slot, prevent rainwater from entering at sealing；Meanwhile first annular gasket has completely cut off rainwater under the protection of umbrella shield, is not easy old
Change, increases service life.Similarly, for pressure relief valve interface, the second Gask-O-Seal is set to second annular
Bottom portion of groove is formed at the second sealing, the umbrella shield of the 6th annulus and pairs of second Gask-O-Seal of the 5th circular ring shape, to
It is not invaded by rainwater at the second sealing to protect.Under the protection of umbrella shield, even if oil level indicator occurs not tightening at screw thread, assemble
Improper or first annular gasket, the second Gask-O-Seal occur aging, damage phenomena such as when, rainwater can not invade fuel tank or
In transformer.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
In figure：1. pressure relief valve, 2. pressure relief valve interfaces, 21. the 4th annulus, 22. second annular grooves, 23.
Six annulus, 24. second Gask-O-Seals, 25. the 5th annulus, 3. oil level indicator shells, 31. observation windows, 4. connecting rods, 41. oil float marks
Ruler, 42. oil floats, it is 5. oil level indicator interfaces, 51. first annulus, 52. first annular grooves, 53. third annulus, 54. first annular close
Packing, 55. second annulus, 6. oil level indicator pedestals, 7. case lids.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of rainwater-proof invades transformer pipe type oil-level gauge, including oil level indicator pedestal 6, oil level indicator, the oil
Position meter is installed on oil level indicator pedestal 6, and oil level indicator includes oil level indicator shell 3, connecting rod 4, oil float 42, oil float scale 41, under connecting rod 4
End connection oil float 42,4 upper end of connecting rod connection oil float scale 41, oil float scale 41 is located in oil level indicator shell 3, oil level indicator shell 3
It is equipped with observation window 31,3 upper end of oil level indicator shell is equipped with pressure relief valve 1；
Oil level indicator pedestal 6 is annulus pedestal, which is equipped with internal thread；3 lower end of oil level indicator shell is equipped with oil
Position meter interface 5, the oil level indicator interface 5 include the first annulus 51, the second annulus 55, third annulus 53, and 51 upper end of the first annulus is solid
Be scheduled on 3 bottom of oil level indicator shell, the second annulus 55 is fixed on 51 lower face of the first annulus, outer ring be equipped with on annulus pedestal in
The external screw thread of screw-thread fit, third annulus 53 is fixed on 51 lower face of the first annulus, internal diameter is more than annulus pedestal outer diameter, height is small
In the annulus substructure height；Second annulus, 55 outer ring and 53 inner ring of third annulus form first annular in 51 lower face of the first annulus
Groove 52 is provided with first annular gasket 54 in 52 bottom of first annular groove；
3 top inner ring of oil level indicator shell is equipped with internal thread；1 lower end of pressure relief valve is equipped with pressure relief valve interface 2, the pressure
Power relief valve interface 2 includes the 4th annulus 21, the 5th annulus 25, the 6th annulus 23, and 21 upper end of the 4th annulus is fixed on pressure and releases
1 bottom of valve is put, the 5th annulus 25 is fixed on 21 lower face of the 4th annulus, outer ring is equipped with and matches with the internal thread on oil level indicator shell 3
The external screw thread of conjunction, the 6th annulus 23 is fixed on 21 lower face of the 4th annulus, internal diameter is more than 3 outer diameter of oil level indicator shell；5th annulus
25 outer rings and 23 inner ring of the 6th annulus form second annular groove 22,22 bottom of second annular groove in 21 lower face of the 4th annulus
The second Gask-O-Seal 24 is provided in portion.
Oil level indicator pedestal 6 is fixed on by welding manner on the case lid of oil tank of transformer, and oil level indicator is by being threadably mounted at
On oil level indicator pedestal 6, installation, dismounting can be facilitated；The second annulus 55 on oil level indicator interface 5 passes through screw thread with oil level indicator pedestal 6
Cooperation, and also have third annulus 53 outside oil level indicator pedestal 6, the second annulus 55 forms first annular groove with third annulus 53
52, first annular gasket 54 is set to 52 bottom of first annular groove and is formed at the first sealing, third annulus 53 and first
Annulus 51 is formed to the umbrella shield at the first sealing, can effectively be completely cut off rainwater and is directly entered at sealing；And due to the first ring
Open Side Down for connected in star 52, inside can have certain air, even if there are when ponding on case lid, in first annular groove 52
Air also can by ponding completely cut off outside first annular groove 52, prevent rainwater from entering at sealing；Meanwhile first annular gasket
54 under the protection of umbrella shield, have completely cut off rainwater, non-aging, increase service life.Similarly, for pressure relief valve interface
For 2, the second Gask-O-Seal 24 is set to 22 bottom of second annular groove and is formed at the second sealing, the 6th annulus 23 and the
Five annulus 25 form the umbrella shield to the second Gask-O-Seal 24, to not invaded by rainwater at the second sealing to protect.
Under the protection of umbrella shield, even if oil level indicator occurs not tightening at screw thread, assembles the 54, second annular of improper or first annular gasket
When phenomena such as aging, damage occurs in gasket 24, rainwater can not invade in fuel tank or transformer.
In order to facilitate processing, further, 55 internal diameter of the second annulus is equal with 51 internal diameter of the first annulus, outside third annulus 53
Diameter is equal with 51 outer diameter of the first annulus；Similarly, 25 internal diameter of the 5th annulus is equal with 21 internal diameter of the 4th annulus, outside the 6th annulus 23
Diameter is equal with 21 outer diameter of the 4th annulus.
In order to facilitate processing, reduce cost of manufacture, it is preferable that oil level indicator interface 5 is an integral molding structure；Similarly, pressure
Relief valve interface 2 is an integral molding structure.
Preferably, first annular gasket 54 and the second Gask-O-Seal 24 are rubber gasket；Rubber gasket seals
Effect is good, and price is relatively low.
Claims (6)
1. rainwater-proof invades transformer pipe type oil-level gauge, including oil level indicator pedestal (6), oil level indicator, which is installed on described
On oil level indicator pedestal (6), oil level indicator includes oil level indicator shell (3), connecting rod (4), oil float (42), oil float scale (41), connecting rod (4)
Lower end connects the oil float (42), connecting rod (4) upper end connects the oil float scale (41), and oil float scale (41) is located at the oil level
It counts in shell (3), oil level indicator shell (3) is equipped with observation window (31), and oil level indicator shell (3) upper end is equipped with pressure relief valve
(1)；It is characterized in that：
The oil level indicator pedestal (6) is annulus pedestal, which is equipped with internal thread；Under the oil level indicator shell (3)
End is equipped with oil level indicator interface (5), which includes the first annulus (51), the second annulus (55), third annulus
(53), the first annulus (51) upper end is fixed on oil level indicator shell (3) bottom, and second annulus (55) is fixed on the first circle
Ring (51) lower face, outer ring are equipped with the external screw thread with the screw-internal thread fit on the annulus pedestal, and the third annulus (53) is solid
It is scheduled on the first annulus (51) lower face, internal diameter is more than the annulus pedestal outer diameter, is highly less than the annulus substructure height；Described
Two annulus (55) outer ring and third annulus (53) inner ring form first annular groove (52) in the first annulus (51) lower face, this
It is provided with first annular gasket (54) in one annular groove (52) bottom；
Inner ring is equipped with internal thread at the top of the oil level indicator shell (3)；Pressure relief valve (1) lower end connects equipped with pressure relief valve
Mouth (2), the pressure relief valve interface (2) include the 4th annulus (21), the 5th annulus (25), the 6th annulus (23), the 4th annulus
(21) upper end is fixed on the pressure relief valve (1) bottom, and the 5th annulus (25) is fixed under the 4th annulus (21)
End face, outer ring are equipped with the external screw thread with the screw-internal thread fit on the oil level indicator shell (3), and the 6th annulus (23) is fixed on
4th annulus (21) lower face, internal diameter are more than oil level indicator shell (3) outer diameter；5th annulus (25) outer ring and the 6th circle
Ring (23) inner ring forms second annular groove (22) in the 4th annulus (21) lower face, is set in second annular groove (22) bottom
It is equipped with the second Gask-O-Seal (24).
2. rainwater-proof according to claim 1 invades transformer pipe type oil-level gauge, it is characterised in that：Second annulus
(55) internal diameter is equal with the first annulus (51) internal diameter, third annulus (53) outer diameter and the first annulus (51) outer diameter
It is equal.
3. rainwater-proof according to claim 2 invades transformer pipe type oil-level gauge, it is characterised in that：The oil level indicator interface
(5) it is an integral molding structure.
4. rainwater-proof according to claim 1 invades transformer pipe type oil-level gauge, it is characterised in that：5th annulus
(25) internal diameter is equal with the 4th annulus (21) internal diameter, the 6th annulus (23) outer diameter and the 4th annulus (21) outer diameter
It is equal.
5. rainwater-proof according to claim 4 invades transformer pipe type oil-level gauge, it is characterised in that：The pressure relief valve
Interface (2) is an integral molding structure.
6. the rainwater-proof according to claim 1 to 5 any one invades transformer pipe type oil-level gauge, it is characterised in that：Institute
It is rubber gasket to state first annular gasket (54) and second Gask-O-Seal (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255533.8U CN207976201U (en) | 2018-02-12 | 2018-02-12 | Rainwater-proof invades transformer pipe type oil-level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255533.8U CN207976201U (en) | 2018-02-12 | 2018-02-12 | Rainwater-proof invades transformer pipe type oil-level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207976201U true CN207976201U (en) | 2018-10-16 |
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ID=63767693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820255533.8U Active CN207976201U (en) | 2018-02-12 | 2018-02-12 | Rainwater-proof invades transformer pipe type oil-level gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207976201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220568A (en) * | 2019-06-12 | 2019-09-10 | 国网青海省电力公司海东供电公司 | A kind of oil level gauge for transformer increases seat and its installation method |
-
2018
- 2018-02-12 CN CN201820255533.8U patent/CN207976201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220568A (en) * | 2019-06-12 | 2019-09-10 | 国网青海省电力公司海东供电公司 | A kind of oil level gauge for transformer increases seat and its installation method |
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