CN212967357U - Oil-immersed power transformer's fin seal structure - Google Patents
Oil-immersed power transformer's fin seal structure Download PDFInfo
- Publication number
- CN212967357U CN212967357U CN202022522720.8U CN202022522720U CN212967357U CN 212967357 U CN212967357 U CN 212967357U CN 202022522720 U CN202022522720 U CN 202022522720U CN 212967357 U CN212967357 U CN 212967357U
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- sealing
- groove
- connecting column
- oil
- power transformer
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Abstract
The utility model discloses a radiating fin sealing structure of an oil-immersed power transformer, which comprises a mounting plate, wherein four groups of mounting holes are arranged on the mounting plate, a fixing sleeve is arranged in the mounting holes, and a connecting post is arranged in the fixing sleeve in a penetrating way; the periphery of the connecting column is provided with a lug, the periphery of the fixed sleeve is provided with a chute, the joint of the connecting column and the fixed sleeve is provided with an adjusting ring, and the adjusting ring is respectively provided with a rectangular groove and a through groove; a return spring is arranged in the fixed sleeve; a sealing ring is arranged on the mounting plate in a penetrating way, and a first sealing strip is arranged in the mounting groove; a sealing cavity is arranged on the sealing ring; one end of the threaded rod is provided with a sealing plug; when the utility model is installed, the connecting column is inserted into the fixed sleeve, the lug slides into the chute through the through groove, the adjusting ring is rotated to enable the through groove to coincide with the lug when the radiator is disassembled, the reset spring pushes the connecting column out of the chute, and the radiator plate can be disassembled; the installation heating panel is more convenient with when dismantling, improves work efficiency, and first sealing strip makes the sealing washer sealed effect better.
Description
Technical Field
The utility model relates to a power transformer heat dissipation equipment technical field specifically is an oil-immersed power transformer's fin seal structure.
Background
The radiating fins of the oil-immersed power transformer are important components of the oil-immersed power transformer, and have the main function of timely dissipating heat generated by eddy current loss in an iron core of the transformer and load current flowing through a winding of the transformer so as to prevent the performance of the transformer from being influenced by overhigh temperature. In order to achieve good heat dissipation, the oil-immersed power transformer cooling fins are generally made of thin high-quality cold-rolled steel sheets (ST 13).
The sealing structure of the radiating fin in the prior art has certain defects when in use, such as inconvenience in mounting and dismounting the radiating fin and the sealing structure, and influence on the working efficiency; and the sealing performance of the radiating fin is not good enough, so that the inner wall of the radiating fin is in contact with air for a long time, the oxidation and corrosion of the radiating fin can be accelerated by humid air, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a radiating fin sealing structure of an oil-immersed power transformer, which solves the problems that the radiating fin sealing structure in the prior art has certain defects when in use, and the working efficiency is influenced if the radiating fin and the sealing structure are inconvenient to install and disassemble; and the sealing performance of the radiating fin is not good enough, so that the inner wall of the radiating fin is in contact with air for a long time, the oxidation and corrosion of the radiating fin can be accelerated by humid air, and the service life is shortened.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the cooling fin sealing structure of the oil-immersed power transformer comprises a mounting plate, wherein four groups of mounting holes are formed in the mounting plate, a fixing sleeve is arranged in each mounting hole, a connecting column penetrates through each fixing sleeve, and one end of each connecting column is connected with a cooling plate; the periphery of the connecting column is provided with a convex block, the periphery of the fixed sleeve is provided with a sliding groove, the joint of the connecting column and the fixed sleeve is provided with an adjusting ring, and the adjusting ring is respectively provided with a rectangular groove and a through groove; a return spring is arranged in the fixed sleeve; a sealing ring penetrates through the mounting plate, an installation groove is formed in the inner peripheral side of the sealing ring, and a first sealing strip is arranged in the installation groove; a sealing cavity is formed in the sealing ring, and clamping blocks are arranged on the periphery of the sealing cavity; a clamping groove is formed in the inner peripheral side of the sealing ring, a compression spring and a pressing block are arranged in the clamping groove, and one end of the compression spring is located in the sealing ring; the top of the sealing cavity is provided with an internal thread, a threaded rod is arranged in the internal thread, and one end of the threaded rod is provided with a sealing plug.
As an optimal technical scheme of the utility model, the sealing washer with be provided with the damping spring of the circular array of multiunit between the seal chamber.
As the utility model discloses a preferred technical scheme, the top of sealed end cap is provided with the fastening knob.
As the utility model discloses an optimal technical scheme, the fixture block with the draw-in groove and the briquetting all is provided with three groups.
As the utility model discloses a preferred technical scheme, be provided with four equidistant distribution's of group fixing bolt on the mounting panel.
As the utility model discloses a preferred technical scheme, the cover is equipped with the second sealing strip on the sealed choke plug.
As the utility model discloses a preferred technical scheme, the adjustable ring week side is provided with multiunit antiskid bead.
The utility model provides an oil-immersed power transformer's fin seal structure possesses following beneficial effect:
when the utility model is installed, the connecting column is inserted into the fixed sleeve, the lug slides into the chute through the through groove, one end of the connecting column compresses the reset spring, the lug and the through groove are dislocated when the adjusting ring is rotated, the lug is positioned in the rectangular groove, the connecting column can not be pulled out, the installation is completed, the adjusting ring is rotated to enable the through groove to coincide with the lug when the fixing ring is disassembled, the reset spring pushes the connecting column out of the chute, and the heat dissipation plate can be disassembled; simple structure, it is more convenient when installation heating panel and dismantlement, improved work efficiency. The first sealing strip is arranged, so that the sealing effect of the sealing ring is better; the sealing plug is connected with the sealing cavity through threads, so that the sealing effect is improved.
Drawings
Fig. 1 is a schematic perspective view of a sealing structure of a heat sink of an oil-immersed power transformer according to the present invention;
fig. 2 is an exploded view of the sealing structure of the cooling fin of the oil-immersed power transformer of the present invention;
FIG. 3 is an enlarged view of a portion of area a of FIG. 2;
fig. 4 is a partially enlarged schematic view of a region b in fig. 2.
In the figure: 1. mounting a plate; 2. mounting holes; 3. fixing a sleeve; 4. connecting columns; 5. a bump; 6. a heat dissipation plate; 7. a chute; 8. an adjusting ring; 9. a rectangular groove; 10. a through groove; 11. a return spring; 12. a seal ring; 13. mounting grooves; 14. a first seal strip; 15. a card slot; 17. a compression spring; 18. briquetting; 19. a clamping block; 20. sealing the cavity; 21. an internal thread; 22. sealing the plug; 23. a threaded rod; 24. fastening a knob; 25. a second seal strip; 26. a damping spring; 27. fixing the bolt; 28. and (4) anti-slip ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution:
the cooling fin sealing structure of the oil-immersed power transformer comprises a mounting plate 1, wherein four groups of mounting holes 2 are formed in the mounting plate 1, a fixing sleeve 3 is arranged in each mounting hole 2, a connecting column 4 is arranged in each fixing sleeve 3 in a penetrating mode, and one end of each connecting column 4 is connected with a cooling plate 6; a convex block 5 is arranged on the periphery of the connecting column 4, a sliding groove 7 is arranged on the periphery of the fixed sleeve 3, an adjusting ring 8 is arranged at the connecting part of the connecting column 4 and the fixed sleeve 3, and a rectangular groove 9 and a through groove 10 are respectively arranged on the adjusting ring 8; a return spring 11 is arranged in the fixed sleeve 3; a sealing ring 12 penetrates through the mounting plate 1, a mounting groove 13 is formed in the inner peripheral side of the sealing ring 12, and a first sealing strip 14 is arranged in the mounting groove 13; a sealing cavity 20 is arranged on the sealing ring 12, and a clamping block 19 is arranged on the periphery of the sealing cavity 20; a clamping groove 15 is formed in the inner peripheral side of the sealing ring 12, a compression spring 17 and a pressing block 18 are arranged in the clamping groove 15, and one end of the compression spring 17 is located in the sealing ring 12; the top of the sealing cavity 20 is provided with an internal thread 21, a threaded rod 23 is arranged in the internal thread 21, and one end of the threaded rod 23 is provided with a sealing plug 22.
When the cooling fin sealing structure of the oil-immersed power transformer is installed, four groups of mounting holes 2 are formed in the mounting plate 1, a fixing sleeve 3 is arranged in each mounting hole 2, a connecting column 4 penetrates through each fixing sleeve 3, and one end of each connecting column 4 is connected with a cooling plate 6; a lug 5 is arranged on the periphery of the connecting column 4, a chute 7 is arranged on the periphery of the fixed sleeve 3, an adjusting ring 8 is arranged at the joint of the connecting column 4 and the fixed sleeve 3, and a rectangular groove 9 and a through groove 10 are respectively arranged on the adjusting ring 8; a return spring 11 is arranged in the fixed sleeve 3; inserting the connecting column 4 into the fixing sleeve 3, enabling the lug 5 to slide into the chute 7 through the through groove 10, compressing the reset spring 11 at one end of the connecting column 4, enabling the lug 5 to be staggered with the through groove 10 when the adjusting ring 8 is rotated, enabling the lug 5 to be located in the rectangular groove 9 at the moment, enabling the connecting column 4 not to be pulled out, completing installation, enabling the through groove 10 to be overlapped with the lug 5 by rotating the adjusting ring 8 during disassembly, and enabling the connecting column 4 to be pushed out of the chute 7 through the reset spring 11, so that the heat dissipation plate; the structure is simple, the heat dissipation plate 6 is more convenient to mount and dismount, and the working efficiency is improved; a sealing ring 12 penetrates through the mounting plate 1, an installation groove 13 is formed in the inner peripheral side of the sealing ring 12, a first sealing strip 14 is arranged in the installation groove 13, and the sealing effect of the sealing ring 12 is better due to the arrangement of the first sealing strip 14; a sealing cavity 20 is arranged on the sealing ring 12, and a clamping block 19 is arranged on the periphery of the sealing cavity 20; a clamping groove 15 is formed in the inner peripheral side of the sealing ring 12, a compression spring 17 and a pressing block 18 are arranged in the clamping groove 15, a sealing cavity 20 is inserted into the clamping groove 15 through a clamping block 19, the pressing block 18 and the compression spring 17 are pressed down by pressing the sealing cavity 20, and the compression spring 17 rebounds by rotating the sealing cavity 20 to clamp the clamping block 19 into a groove formed in the clamping groove 15, so that the installation is convenient; the sealing plug 22 is connected with the sealing cavity 20 through threads, so that the sealing effect is improved.
Referring to fig. 1 to 3, a plurality of groups of damping springs 26 in a circular array are disposed between the sealing ring 12 and the sealing cavity 20, and the damping springs 26 are disposed to reduce the impact force of oil entering the sealing ring 12, so as to prevent the sealing ring 12 from loosening and affecting the sealing effect.
Referring to fig. 1 to 4, a fastening knob 24 is disposed at the top end of the sealing plug 22; the tightening knob 24 is used for rotating the sealing plug 22, so that labor is saved during use.
Referring to fig. 1 to 4, three sets of the clamping blocks 19, the clamping grooves 15 and the pressing blocks 18 are provided; the stability that seal chamber 20 and sealing washer 12 are connected can be adjusted, avoid becoming flexible.
Referring to fig. 1 to 4, four sets of fixing bolts 27 are disposed on the mounting plate 1 and distributed at equal intervals; the fixing bolt 27 is fixed with the outer side of the transformer, so that the use is more convenient.
Referring to fig. 1 to 4, a second sealing strip 25 is sleeved on the sealing plug 22, and the second sealing strip 25 is arranged to improve the sealing performance of the sealing cavity 20.
Referring to fig. 1 to 4, a plurality of sets of anti-slip ribs 28 are disposed around the adjusting ring 8, and the anti-slip ribs 28 are disposed to avoid slipping when the adjusting ring 8 is used, so as to increase the practicability.
In summary, during installation of the cooling fin sealing structure of the oil-immersed power transformer, four groups of mounting holes 2 are formed in the mounting plate 1, a fixing sleeve 3 is arranged in each mounting hole 2, a connecting column 4 penetrates through each fixing sleeve 3, and one end of each connecting column 4 is connected with a cooling plate 6; the periphery of the connecting column 4 is provided with a convex block 5, the periphery of the fixing sleeve 3 is provided with a sliding groove 7, the joint of the connecting column 4 and the fixing sleeve 3 is provided with an adjusting ring 8, and the adjusting ring 8 is respectively provided with a rectangular groove 9 and a through groove 10; a return spring 11 is arranged in the fixed sleeve 3; inserting the connecting column 4 into the fixing sleeve 3, enabling the lug 5 to slide into the chute 7 through the through groove 10, compressing the reset spring 11 at one end of the connecting column 4, enabling the lug 5 to be staggered with the through groove 10 when the adjusting ring 8 is rotated, enabling the lug 5 to be located in the rectangular groove 9 at the moment, enabling the connecting column 4 not to be pulled out, completing installation, enabling the through groove 10 to be overlapped with the lug 5 by rotating the adjusting ring 8 during disassembly, and enabling the connecting column 4 to be pushed out of the chute 7 through the reset spring 11, so that the heat dissipation plate; the structure is simple, the heat dissipation plate 6 is more convenient to mount and dismount, and the working efficiency is improved; a sealing ring 12 penetrates through the mounting plate 1, an installation groove 13 is formed in the inner peripheral side of the sealing ring 12, a first sealing strip 14 is arranged in the installation groove 13, and the sealing effect of the sealing ring 12 is better due to the arrangement of the first sealing strip 14; a sealing cavity 20 is arranged on the sealing ring 12, and a clamping block 19 is arranged on the periphery of the sealing cavity 20; a clamping groove 15 is formed in the inner peripheral side of the sealing ring 12, a compression spring 17 and a pressing block 18 are arranged in the clamping groove 15, a sealing cavity 20 is inserted into the clamping groove 15 through a clamping block 19, the pressing block 18 and the compression spring 17 are pressed down by pressing the sealing cavity 20, and the compression spring 17 rebounds by rotating the sealing cavity 20 to clamp the clamping block 19 into a groove formed in the clamping groove 15, so that the installation is convenient; the sealing plug 22 is connected with the sealing cavity 20 through threads, so that the sealing effect is improved; a plurality of groups of damping springs 26 in a circular array are arranged between the sealing ring 12 and the sealing cavity 20, and the damping springs 26 are arranged to reduce the impact force of oil inlet in the sealing ring 12 and avoid the sealing ring 12 from loosening to influence the sealing effect; the top end of the sealing plug 22 is provided with a fastening knob 24; the tightening knob 24 is used for rotating the sealing plug 22, so that labor is saved during use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an oil-immersed power transformer's fin seal structure which characterized in that: the heat dissipation plate comprises a mounting plate (1), wherein four groups of mounting holes (2) are formed in the mounting plate (1), a fixing sleeve (3) is arranged in each mounting hole (2), a connecting column (4) penetrates through the fixing sleeve (3), and one end of each connecting column (4) is connected with a heat dissipation plate (6); the periphery of the connecting column (4) is provided with a convex block (5), the periphery of the fixed sleeve (3) is provided with a sliding groove (7), the joint of the connecting column (4) and the fixed sleeve (3) is provided with an adjusting ring (8), and the adjusting ring (8) is respectively provided with a rectangular groove (9) and a through groove (10); a return spring (11) is arranged in the fixed sleeve (3); a sealing ring (12) penetrates through the mounting plate (1), a mounting groove (13) is formed in the inner peripheral side of the sealing ring (12), and a first sealing strip (14) is arranged in the mounting groove (13); a sealing cavity (20) is formed in the sealing ring (12), and clamping blocks (19) are arranged on the periphery of the sealing cavity (20); a clamping groove (15) is formed in the inner peripheral side of the sealing ring (12), a compression spring (17) and a pressing block (18) are arranged in the clamping groove (15), and one end of the compression spring (17) is located in the sealing ring (12); the top of the sealing cavity (20) is provided with an internal thread (21), a threaded rod (23) is arranged in the internal thread (21), and one end of the threaded rod (23) is provided with a sealing plug (22).
2. The oil-filled power transformer fin sealing structure according to claim 1, characterized in that: and a plurality of groups of damping springs (26) in a circular array are arranged between the sealing ring (12) and the sealing cavity (20).
3. The oil-filled power transformer fin sealing structure according to claim 1, characterized in that: and a fastening knob (24) is arranged at the top end of the sealing plug (22).
4. The oil-filled power transformer fin sealing structure according to claim 1, characterized in that: the clamping blocks (19), the clamping grooves (15) and the pressing block (18) are provided with three groups.
5. The oil-filled power transformer fin sealing structure according to claim 1, characterized in that: four groups of fixing bolts (27) distributed at equal intervals are arranged on the mounting plate (1).
6. The oil-filled power transformer fin sealing structure according to claim 1, characterized in that: and a second sealing strip (25) is sleeved on the sealing plug (22).
7. The oil-filled power transformer fin sealing structure according to claim 1, characterized in that: the periphery of the adjusting ring (8) is provided with a plurality of groups of anti-skidding convex ribs (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522720.8U CN212967357U (en) | 2020-11-04 | 2020-11-04 | Oil-immersed power transformer's fin seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522720.8U CN212967357U (en) | 2020-11-04 | 2020-11-04 | Oil-immersed power transformer's fin seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212967357U true CN212967357U (en) | 2021-04-13 |
Family
ID=75372752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022522720.8U Expired - Fee Related CN212967357U (en) | 2020-11-04 | 2020-11-04 | Oil-immersed power transformer's fin seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212967357U (en) |
-
2020
- 2020-11-04 CN CN202022522720.8U patent/CN212967357U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 Termination date: 20211104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |