CN221101939U

CN221101939U - Gas relay for transformer

Info

Publication number: CN221101939U
Application number: CN202323162518.9U
Authority: CN
Inventors: 孙德志; 孙琦; 李中一; 刘玉伟
Original assignee: Shenyang Baiying Electric Power Equipment Manufacturing Co ltd
Current assignee: Shenyang Baiying Electric Power Equipment Manufacturing Co ltd
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2024-06-07
Anticipated expiration: 2033-11-23

Abstract

The utility model relates to the technical field of gas relays and discloses a gas relay for a transformer, which comprises a transformer body and a shell, wherein a clamping ring is fixedly connected to the outer side of the transformer body, a pressing rod is fixedly connected to the middle of the shell in a sliding manner, a clamping block is fixedly connected to one side, close to the clamping ring, of the pressing rod, the clamping block is clamped with the clamping ring, a spring I is fixedly connected to the inner side of the clamping block, the other end of the spring I is fixedly connected to the inner side of the shell, an air outlet pipe is fixedly connected to the outer side of the transformer body, a hard pipe is fixedly connected to the middle of the shell in a sliding manner, a connecting component is connected to one end of the hard pipe, a connecting pipe is fixedly connected to the other end of the hard pipe, and the other end of the connecting pipe is connected with the inner side of the shell. According to the utility model, through the mutual matching of the structures such as the clamping ring, the compression bar, the clamping block, the spring and the like, the connection between the shell and the transformer body can be facilitated, and meanwhile, the whole gas relay can be disassembled by directly pressing the compression bar, so that the operation is very simple.

Description

Gas relay for transformer

Technical Field

The utility model relates to the technical field of gas relays, in particular to a gas relay for a transformer.

Background

A gas relay (commonly called a gas relay) is a protection device for an oil immersed transformer. When the transformer in operation breaks down, the transformer oil is decomposed to generate gas or oil flow impulse, so that the gas relay contacts act to connect the appointed control loop and send out signals in time or automatically cut off the transformer to protect the safety of the transformer.

The existing gas relay is often connected with the transformer by adopting a bolt mounting mode, and the mode can realize the mounting and the use of the gas relay, but because the transformer is put outdoors, after long-time use, the bolt is easy to rust, and the gas relay can be inconvenient to replace and disassemble.

For this purpose, gas relays for transformers have been proposed to solve the above problems.

Disclosure of utility model

In order to make up for the defects, the utility model provides a gas relay for a transformer, and aims to solve the problem that the gas relay in the prior art is inconvenient to detach and replace due to the condition of rusting bolts.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gas relay for transformer, includes transformer body and shell, transformer body outside fixedly connected with snap ring, shell middle part fixedly connected with depression bar, one side fixedly connected with fixture block that the depression bar is close to the snap ring, fixture block and snap ring looks joint, fixture block inboard fixedly connected with spring one, spring one other end fixedly connected with is inside the shell, transformer body outside fixedly connected with outlet duct, shell middle part fixedly connected with hard tube, hard tube one end is connected with coupling assembling, the other end fixedly connected with connecting pipe of hard tube, the other end and the shell inside of connecting pipe are connected, shell front side fixedly connected with locking subassembly, the hard tube is located the locking subassembly middle part.

As a further description of the above technical solution:

The connecting assembly comprises a connecting seat, the connecting seat is slidably connected to the middle of the connector, a second spring is fixedly connected to one side of the connecting seat, and the other end of the second spring is fixedly connected to the inside of the connector.

As a further description of the above technical solution:

The connecting assembly further comprises a sealing gasket, the sealing gasket is fixedly connected to one side, close to the air outlet pipe, of the connecting seat, and the sealing gasket is abutted to the air outlet pipe.

As a further description of the above technical solution:

The locking assembly comprises a pipe clamp, the pipe clamp is fixedly connected to the front side of the shell, the hard pipe penetrates through the middle of the pipe clamp, and a locking ring is connected to the periphery of the pipe clamp in a threaded mode.

As a further description of the above technical solution:

A chute is formed in one side of the shell, and the clamping block is connected to the middle of the chute in a sliding mode.

As a further description of the above technical solution:

the connector is characterized in that a limiting block is fixedly connected to the inner wall of one end of the connector, a limiting groove is formed in the periphery of the connecting seat, and the limiting block is slidably connected to the middle of the limiting groove.

As a further description of the above technical solution:

An oblique angle is arranged at the outer edge of one side of the air outlet pipe, which is close to the connecting seat.

As a further description of the above technical solution:

the inner wall of the connecting seat and the sealing gasket are bucket-shaped.

The utility model has the following beneficial effects:

1. According to the utility model, through the mutual matching of the structures such as the clamping ring, the compression bar, the clamping block and the spring, the shell and the transformer body can be conveniently connected, the shell and the air outlet pipe can be simultaneously connected under the action of the connecting component, the installation is very convenient, the whole gas relay can be disassembled by directly pressing the compression bar, and the operation is very simple.

2. According to the utility model, through the mutual matching of the structures such as the connecting seat, the second spring and the sealing gasket, the tightness of the connection between the air outlet pipe and the connecting seat can be improved after the air outlet pipe is connected, so that subsequent gas detection is facilitated, and meanwhile, the shape of the connecting seat and the sealing gasket can also enable the gas relay to be connected with air outlet pipes with different sizes, so that the practicability of the device is improved, and the use is more convenient.

Drawings

Fig. 1 is a schematic perspective view of a gas relay for a transformer according to the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

Fig. 3 is a schematic structural diagram of a snap ring of a gas relay for a transformer according to the present utility model;

fig. 4 is a schematic structural diagram of a fixture block of a gas relay for a transformer according to the present utility model;

fig. 5 is a schematic structural diagram of a connection assembly of a gas relay for a transformer according to the present utility model.

Legend description:

1. A transformer body; 2. a housing; 3. a clasp; 4. a compression bar; 5. a clamping block; 6. a first spring; 7. a chute; 8. an air outlet pipe; 9. a pipe clamp; 10. a connecting pipe; 11. a hard tube; 12. a connector; 13. a locking ring; 14. a connecting seat; 15. a second spring; 16. a sealing gasket; 17. a limiting block; 18. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a gas relay for transformer, includes transformer body 1 and shell 2, and transformer body 1 outside fixedly connected with snap ring 3, shell 2 middle part sliding connection have depression bar 4, and shell 2 is gas relay's casing, and gas relay required basic electric elements all place inside shell 2, and these electric elements are prior art, and this is not excessive in this place and is described repeatedly. One side of the compression bar 4, which is close to the clamping rings 3, is fixedly connected with a clamping block 5, the clamping block 5 is clamped with the clamping rings 3, and after the clamping block 5 is inserted between the two clamping rings 3, the position of the shell 2 can be limited, so that the connection between the shell 2 and the transformer body 1 is completed.

Referring to fig. 2-4, a chute 7 is formed on one side of the housing 2, and the clamping block 5 is slidably connected to the middle of the chute 7. The position of the clamping block 5 can be limited through the sliding groove 7 so as to ensure that the clamping block 5 moves more stably. The clamping block 5 is fixedly connected with the first spring 6 on the inner side, the other end of the first spring 6 is fixedly connected inside the shell 2, the first spring 6 is used for acting on the position of the clamping block 5, after the clamping block 5 enters between the two clamping rings 3, the pressing rod 4 is loosened, the clamping block 5 can be outwards ejected under the action of the first spring 6, and the middle part of the clamping rings 3 is reached to finish connection. The outside fixedly connected with outlet duct 8 of transformer body 1, the gas that the transformer body 1 during operation produced can be discharged from outlet duct 8. The shell 2 middle part sliding connection has hard tube 11, and hard tube 11 one end is connected with coupling assembling, uses coupling assembling to be connected hard tube 11 and outlet duct 8 to carry the gaseous follow-up work of convenient gas relay of transformer body 1 exhaust.

Referring to fig. 5, the connecting assembly includes a connecting seat 14, the connecting seat 14 is slidably connected to the middle of the connecting head 12, a second spring 15 is fixedly connected to one side of the connecting seat 14, and the other end of the second spring 15 is fixedly connected to the inside of the connecting head 12. The connecting seat 14 can be pushed outwards through the second spring 15, and then the connecting seat 14 is contacted with the air outlet pipe 8, and then the air outlet pipe 8 is connected. The connecting assembly further comprises a sealing gasket 16, the sealing gasket 16 is fixedly connected to one side, close to the air outlet pipe 8, of the connecting seat 14, and the sealing gasket 16 is abutted against the air outlet pipe 8. The sealing gasket 16 is added, when the connecting seat 14 is connected with the air outlet pipe 8, the sealing gasket 16 is pressed to deform, and the deformation can increase the contact area between the air outlet pipe 8 and the sealing gasket 16, so that the tightness of the connection between the air outlet pipe 8 and the connecting seat 14 can be ensured, and the effective transmission of air is ensured. The outer edge of one side of the air outlet pipe 8 close to the connecting seat 14 is provided with an oblique angle.

Referring to fig. 1, 2 and 5, the inner wall of the connecting seat 14 and the gasket 16 are each bucket-shaped. Through setting up oblique angle and fill form, can be better connect outlet duct 8 and connecting seat 14, but the while further increases outlet duct 8 and the area of contact who seals up 16, ensure the leakproofness of connection, and fill form connecting seat 14 and sealed 16 can make this connection structure adapt to outlet duct 8 of more size, the other end fixedly connected with connecting pipe 10 of hard tube 11, the other end and the shell 2 inside of connecting pipe 10 are connected, through the inside gas injection of connecting pipe 10 with the hard tube 11 transport to shell 2, can detect, so that gas relay carries out work. The shell 2 front side fixedly connected with locking subassembly, hard tube 11 is located locking subassembly middle part, locking subassembly includes pipe clamp 9, pipe clamp 9 fixed connection is at the front side of shell 2, hard tube 11 passes from pipe clamp 9 middle part, pipe clamp 9 periphery threaded connection has locking ring 13, the position that is located shell 2 middle part through locking subassembly adjustable hard tube 11, when the outlet duct 8 in the transformer body 1 outside stretches out longer, can remove hard tube 11 to shell 2 front side, otherwise can remove hard tube 11 to shell 2 rear side, so that adjust according to the length that outlet duct 8 stretched out, make the practicality of device stronger, then confirm the back of position, accessible rotation locking ring 13 extrudees pipe clamp 9, make pipe clamp 9 port warp, accomplish the locking to hard tube 11.

Referring to fig. 5, a limiting block 17 is fixedly connected to an inner wall of one end of the connector 12, a limiting groove 18 is formed in the periphery of the connecting seat 14, and the limiting block 17 is slidably connected to the middle of the limiting groove 18. The position of the connecting seat 14 can be limited through the limiting block 17 and the limiting groove 18, and meanwhile, the connecting seat 14 can move more stably.

Working principle: when the clamping device is used, the pressing rod 4 is pressed into the shell 2, the pressing rod 4 can drive the clamping block 5 to shrink, then the clamping block 5 is placed between the two clamping rings 3, the pressing rod 4 is loosened, the clamping block 5 can be pushed outwards under the action of the first spring 6, the clamping block 5 is inserted into the middle part of the clamping ring 3, the clamping is completed, then after the connector 12 is aligned with the air outlet pipe 8, the hard pipe 11 is pressed inwards, the connector 12 can be moved towards the air outlet pipe 8, and the second spring 15 is shrunk. At this time, the locking ring 13 is rotated to enable the front side of the pipe clamp 9 to be inwards tightened, the hard pipe 11 is clamped and locked, the position of the hard pipe 11 is fixed, at this time, under the action of the second spring 15, the connecting seat 14 can be enabled to approach the direction of the air outlet pipe 8, and then the sealing gasket 16 is enabled to be in contact with the air outlet pipe 8.

After the sealing gasket 16 is deformed under pressure, the contact area with the air outlet pipe 8 is increased, so that the sealing connection between the air outlet pipe 8 and the connecting seat 14 is completed, the air exhausted from the air outlet pipe 8 can pass through the connecting seat 14, and is injected into the shell 2 from the connecting pipe 10 after passing through the connector 12 and the hard pipe 11, so that the normal use of the air relay is ensured. When the whole gas relay needs to be disassembled, the compression bar 4 is pressed inwards, so that the clamping block 5 is separated from the clamping ring 3, and the disassembly is very convenient.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The gas relay for the transformer comprises a transformer body (1) and a shell (2), and is characterized in that: the transformer is characterized in that the clamping ring (3) is fixedly connected to the outer side of the transformer body (1), the pressing rod (4) is slidably connected to the middle of the casing (2), one side of the pressing rod (4) close to the clamping ring (3) is fixedly connected with the clamping block (5), the clamping block (5) is clamped with the clamping ring (3), the first spring (6) is fixedly connected to the inner side of the clamping block (5), the other end of the first spring (6) is fixedly connected to the inner side of the casing (2), the air outlet pipe (8) is fixedly connected to the outer side of the transformer body (1), the hard pipe (11) is slidably connected to the middle of the casing (2), one end of the hard pipe (11) is connected with the connecting component, the other end of the connecting pipe (10) is connected to the inner side of the casing (2), and the locking component is fixedly connected to the front side of the casing (2), and the hard pipe (11) is located in the middle of the locking component.

2. The gas relay for a transformer according to claim 1, wherein: the connecting assembly comprises a connecting seat (14), the connecting seat (14) is slidably connected to the middle of the connecting head (12), a second spring (15) is fixedly connected to one side of the connecting seat (14), and the other end of the second spring (15) is fixedly connected to the inside of the connecting head (12).

3. The gas relay for a transformer according to claim 2, wherein: the connecting assembly further comprises a sealing gasket (16), the sealing gasket (16) is fixedly connected to one side, close to the air outlet pipe (8), of the connecting seat (14), and the sealing gasket (16) is abutted to the air outlet pipe (8).

4. The gas relay for a transformer according to claim 1, wherein: the locking assembly comprises a pipe clamp (9), the pipe clamp (9) is fixedly connected to the front side of the shell (2), the hard pipe (11) penetrates through the middle of the pipe clamp (9), and a locking ring (13) is connected to the periphery of the pipe clamp (9) through threads.

5. The gas relay for a transformer according to claim 1, wherein: a sliding groove (7) is formed in one side of the shell (2), and the clamping block (5) is connected to the middle of the sliding groove (7) in a sliding mode.

6. The gas relay for a transformer according to claim 2, wherein: the connector is characterized in that a limiting block (17) is fixedly connected to the inner wall of one end of the connector (12), a limiting groove (18) is formed in the periphery of the connecting seat (14), and the limiting block (17) is slidably connected to the middle of the limiting groove (18).

7. A gas relay for a transformer according to claim 3, wherein: an oblique angle is arranged at the outer edge of one side of the air outlet pipe (8) close to the connecting seat (14).

8. A gas relay for a transformer according to claim 3, wherein: the inner wall of the connecting seat (14) and the sealing gasket (16) are bucket-shaped.