CN209912678U

CN209912678U - Liquid-immersed transformer oil tank and tank cover rust-proof fastening structure

Info

Publication number: CN209912678U
Application number: CN201920276335.4U
Authority: CN
Inventors: 王学军; 李岩; 韩尧; 孙景; 高源�
Original assignee: Henan Jinxing Electric Equipment Co Ltd
Current assignee: Henan Jinxing Electric Equipment Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-01-07
Anticipated expiration: 2029-03-05

Abstract

The utility model relates to the technical field of transformers, and a rust-resistant fastening structure of liquid formula transformer tank and case lid is disclosed, including box and case lid, the box top is connected with the spliced pole, and through hole one has been seted up at the case lid top, and spliced pole top through hole one extends to the case lid top, and the spliced pole outer wall bonds there is the rubber sleeve, and spliced pole outer wall is connected with the extrusion spring, and the other end and the rubber sleeve inner wall connection of extrusion spring, rubber sleeve shape are oval. The utility model discloses a set up rubber sleeve, rubber pad, expanding spring, extrusion spring, sleeve pipe, carriage release lever, movable rod, inserted bar and pull rod, utilize rubber sleeve and telescopic link spring to seal through hole one, the rubber pad seals the space between case lid and the box, recycles the inserted bar and inserts the whole case lid of three inside fixes of through hole, whole device need not to use the bolt fastening, does not have the paint film on wearing and tearing case edge surface, has reached and can protect the case along the purpose that the surface can not corroded.

Description

Liquid-immersed transformer oil tank and tank cover rust-proof fastening structure

Technical Field

The utility model relates to a transformer technical field specifically is an antirust fastening structure of liquid-immersed transformer tank and case lid.

Background

For a liquid-immersed transformer oil tank, a tank cover and a tank edge are usually connected by adopting a common bolt and flat gasket structure, when a bolt is fastened by a wrench, the bolt slightly rotates to drive the flat gasket to rotate to different degrees, so that the flat gasket often loosens and damages paint films under the flat gasket to different degrees, when the transformer is placed outdoors for a period of time, the transformer meets humid air, metal covered by the paint films and damaged at the lower end of the flat gasket rusts, yellow rust liquid seeps out from the gasket, and long-term rust spots along the bolt of the tank cover of the transformer affect the appearance quality of the transformer and the product sale.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid soaks formula transformer tank and the rust-resistant fastening structure of case lid, reached can the guard box along the purpose that the surface can not corroded.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid-immersed transformer oil tank and tank cover rust-proof fastening structure comprises a tank body and a tank cover, wherein a connecting column is connected to the top of the tank body, a first through hole is formed in the top of the tank cover, the top of the connecting column extends to the upper side of the tank cover through the first through hole, a rubber sleeve is bonded to the outer wall of the connecting column, an extrusion spring is connected to the outer wall of the connecting column, the other end of the extrusion spring is connected to the inner wall of the rubber sleeve, the rubber sleeve is oval, the outer wall of the rubber sleeve is in sealing contact with the wall of the first through hole, a rubber pad is bonded to the inner wall of the tank cover, one side of the rubber pad, away from the inner wall of the tank cover, is in sealing contact with the outer wall of the tank body, a connecting block is connected to, through hole two has been seted up at the fixed block top, the carriage release lever bottom extends to the fixed block below through hole two, the fixed block bottom is connected with the connecting plate, the connecting plate below is equipped with the pull rod, one side and the activity pipe one end of pull rod are connected, the movable rod other end runs through the opposite side that the connecting plate extends to the connecting plate and is connected with slide bar one side, the lateral wall and the reset spring one end of connecting plate are connected, the reset spring other end is connected with slide bar one side, the reset spring annular sets up at the movable rod outer wall, through hole three has been seted up to the carriage release lever lateral wall, slide bar one side is connected with the inserted bar, the inserted bar runs through.

Preferably, the bottom of the fixed block is provided with a sliding chute, the top of the sliding rod penetrates through a notch of the sliding chute and extends to the inside of the sliding chute to be in contact with the chute wall, and the front side and the back side of the sliding rod positioned in the sliding chute are in contact with the chute wall.

Preferably, the bottom of the moving rod is connected with a pull ring, and the pull ring is semicircular in shape.

Preferably, the number of the connecting columns is four, the number of the first through holes is four, and the four first through holes and the four connecting columns are arranged in a one-to-one correspondence mode.

Preferably, the number of the fixed blocks is two, and the two fixed blocks are respectively distributed on two sides of the box body.

Preferably, the outer diameter of the inserted rod is consistent with the three inner diameters of the through hole, and the outer diameter of the moving rod is consistent with the inner diameter of the sleeve.

The utility model provides a liquid soaks formula transformer tank and rust-resistant fastening structure of case lid. The method has the following beneficial effects:

(1) the utility model discloses a set up rubber sleeve, rubber pad, expanding spring, extrusion spring, sleeve pipe, carriage release lever, movable rod, inserted bar and pull rod, utilize rubber sleeve and telescopic link spring to seal through hole one, the rubber pad seals the space between case lid and the box, recycles the inserted bar and inserts the whole case lid of three inside fixes of through hole, whole device need not to use the bolt fastening, does not have the paint film on wearing and tearing case edge surface, has reached and can protect the case along the purpose that the surface can not corroded.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of A in FIG. 1;

fig. 3 is a top view of the box body of the present invention.

In the figure: the box body 1, the box cover 2, the connecting block 3, the extension spring 4, the sleeve 5, the moving rod 6, the fixed block 7, the through hole I8, the connecting column 9, the rubber sleeve 10, the extrusion spring 11, the rubber pad 12, the pull rod 13, the connecting plate 14, the movable rod 15, the reset spring 16, the sliding groove 17, the sliding rod 18, the through hole II 19, the inserted rod 20, the pull ring 21 and the through hole III 22.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: a liquid-immersed transformer oil tank and tank cover rust-proof fastening structure comprises a tank body 1 and a tank cover 2, wherein the top of the tank body 1 is fixedly connected with a connecting column 9, the top of the tank cover 2 is provided with a first through hole 8, the top of the connecting column 9 extends to the upper part of the tank cover 2 through the first through hole 8, the number of the connecting columns 9 is four, the number of the first through holes 8 is four, the four first through holes 8 and the four connecting columns 9 are arranged in a one-to-one correspondence manner, the outer wall of the connecting column 9 is bonded with a rubber sleeve 10, the outer wall of the connecting column 9 is fixedly connected with an extrusion spring 11, the other end of the extrusion spring 11 is fixedly connected with the inner wall of the rubber sleeve 10, the rubber sleeve 10 is oval in shape, the outer wall of the rubber sleeve 10 is in sealing contact with the hole wall, the bottom of the connecting block 3 is fixedly connected with a sleeve 5, the top of the inner wall of the sleeve 5 is fixedly connected with one end of a telescopic spring 4, the other end of the telescopic spring 4 is fixedly connected with one end of a moving rod 6, the outer diameter of the moving rod 6 is consistent with the inner diameter of the sleeve 5, the side wall of the box body 1 is fixedly connected with two fixed blocks 7, the two fixed blocks 7 are respectively distributed at two sides of the box body 1, the top of each fixed block 7 is provided with a second through hole 19, the bottom of the moving rod 6 penetrates through the second through hole 19 and extends to the lower part of the fixed block 7, the bottom of the fixed block 7 is fixedly connected with a connecting plate 14, a pull rod 13 is arranged below the connecting plate 14, one side of the pull rod 13 is fixedly connected with one end of a movable rod 15, the other end of the movable rod 15 penetrates through the connecting, the bottom of the fixed block 7 is provided with a sliding chute 17, the top of a sliding rod 18 penetrates through a notch of the sliding chute 17 and extends into the sliding chute 17 to be contacted with the chute wall, the front and the back of the sliding rod 18 positioned in the sliding chute 17 are contacted with the chute wall of the sliding chute 17, a return spring 16 is annularly arranged on the outer wall of the movable rod 15, the side wall of the movable rod 6 is provided with a through hole three 22, one side of the sliding rod 18 is fixedly connected with an inserted rod 20, the inserted rod 20 penetrates through the through hole three 22 and extends to one side of the movable rod 6, the outer diameter of the inserted rod 20 is consistent with the inner diameter of the through hole three 22, the bottom of the movable rod 6 is fixedly connected with a pull ring 21, the pull ring 21 is semicircular in shape, a gap between the box cover 2 and the box body 1 is sealed by arranging a rubber sleeve 10, a rubber pad 12, the extension spring 4, an extrusion spring, the whole box cover 2 is fixed by inserting the inserted rod 20 into the third through hole 22, the whole device is not fixed by bolts, paint films on the surfaces of the edges of the box are not abraded, and the purpose that the surfaces of the edges of the box can not be corroded is achieved.

When the device is used, firstly, the box cover 2 is covered on the surface of the box body 1, the connecting column 9 is aligned to the first through hole 8, the box cover 2 is pressed downwards, in the pressing process, due to the existence of the extrusion spring 11, the outer wall of the rubber sleeve 10 is in sealing contact with the wall of the first through hole 8, the rubber pad 12 seals a gap between the box cover 2 and the box body 1, the pull rod 13 is pulled, the insert rod 20 is driven to move under the action of the reset spring 16, the pull ring 21 is pulled downwards, the moving rod 6 is driven to move downwards, the third through hole 22 is moved to be aligned to the insert rod 20, the pull rod 13 is released, the insert rod 20 is inserted into the third through hole 22 under the action of the reset spring 16, so that the box cover 2 is fixed, the whole device does not need to be fixed by using bolts, a paint film on the edge.

To sum up, the utility model discloses a set up rubber sleeve 10, rubber pad 12, expanding spring 4, extrusion spring 11, sleeve pipe 5, carriage release lever 6, movable rod 15, inserted bar 20 and pull rod 13, utilize rubber sleeve 10 and telescopic link spring 4 to seal through hole 8, rubber pad 12 seals the space between case lid 2 and the box 1, recycle inserted bar 20 and insert through hole three 22 internal fixation whole case lid 2, whole device need not to use the bolt fastening, there is not the paint film on wearing and tearing case edge surface, reached can the guard box along the purpose that the surface can not corroded.

Claims

1. The utility model provides an antirust fastening structure of liquid-immersed transformer tank and case lid, includes box (1) and case lid (2), its characterized in that: the box body (1) top is connected with a connecting column (9), a first through hole (8) is formed in the top of the box cover (2), the top of the connecting column (9) extends to the top of the box cover (2) through the first through hole (8), a rubber sleeve (10) is bonded on the outer wall of the connecting column (9), an extrusion spring (11) is connected on the outer wall of the connecting column (9), the other end of the extrusion spring (11) is connected with the inner wall of the rubber sleeve (10), the rubber sleeve (10) is oval in shape, the outer wall of the rubber sleeve (10) is in sealing contact with the first through hole (8) hole wall, a rubber pad (12) is bonded on the inner wall of the box cover (2), one side, far away from the inner wall of the box cover (2), of the rubber pad (12) is in sealing contact with the outer wall of the box body (1), the side, the top of the inner wall of the sleeve (5) is connected with one end of a telescopic spring (4), the other end of the telescopic spring (4) is connected with one end of a moving rod (6), the side wall of the box body (1) is connected with a fixed block (7), the top of the fixed block (7) is provided with a through hole II (19), the bottom of the moving rod (6) extends to the lower part of the fixed block (7) through the through hole II (19), the bottom of the fixed block (7) is connected with a connecting plate (14), a pull rod (13) is arranged below the connecting plate (14), one side of the pull rod (13) is connected with one end of a movable rod (15), the other end of the movable rod (15) penetrates through the connecting plate (14) and extends to the other side of the connecting plate (14) to be connected with one side of a sliding rod (18), the side wall of the connecting plate (14) is connected with one end, reset spring (16) annular setting is at movable rod (15) outer wall, through hole three (22) have been seted up to movable rod (6) lateral wall, slide bar (18) one side is connected with inserted bar (20), inserted bar (20) run through hole three (22) and extend to one side of movable rod (6).

2. The liquid-immersed transformer oil tank and tank cover rust-proof fastening structure as claimed in claim 1, wherein: spout (17) have been seted up to fixed block (7) bottom, slide bar (18) top is run through spout (17) notch and is extended to inside and the cell wall contact of spout (17), and slide bar (18) that are located spout (17) inside are openly all contacted with spout (17) cell wall with the back.

3. The liquid-immersed transformer oil tank and tank cover rust-proof fastening structure as claimed in claim 1, wherein: the bottom of the moving rod (6) is connected with a pull ring (21), and the pull ring (21) is semicircular.

4. The liquid-immersed transformer oil tank and tank cover rust-proof fastening structure as claimed in claim 1, wherein: the number of the connecting columns (9) is four, the number of the first through holes (8) is four, and the first through holes (8) and the four connecting columns (9) are arranged in a one-to-one correspondence mode.

5. The liquid-immersed transformer oil tank and tank cover rust-proof fastening structure as claimed in claim 1, wherein: the number of the fixed blocks (7) is two, and the two fixed blocks (7) are respectively distributed on two sides of the box body (1).

6. The liquid-immersed transformer oil tank and tank cover rust-proof fastening structure as claimed in claim 1, wherein: the outer diameter of the inserted rod (20) is consistent with the inner diameter of the through hole III (22), and the outer diameter of the moving rod (6) is consistent with the inner diameter of the sleeve (5).