CN216212802U

CN216212802U - Transformer bushing

Info

Publication number: CN216212802U
Application number: CN202122706537.8U
Authority: CN
Inventors: 翁光辉
Original assignee: Boluo Li Chuang Electronics Co ltd
Current assignee: Boluo Li Chuang Electronics Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a transformer bushing, and relates to the field of transformers. This transformer bushing includes the sleeve pipe main part, the top of sleeve pipe main part is equipped with the rubber sleeve, the cooperation is cup jointed with the top of sleeve pipe main part to the rubber sleeve, the below of sleeve pipe main part is equipped with the bush, the cooperation is cup jointed to the bottom of bush and sleeve pipe main part, the outside of sleeve pipe main part is equipped with protection machanism, protection machanism comprises bilateral symmetry's protecting crust, the inboard of protecting crust is provided with the protection chamber, the protection chamber cooperates with the outer wall joint of sleeve pipe main part. When this transformer bushing installs, install the bush in the sleeve pipe main part, make bush and transformer housing fixed connection through the ring flange, avoid with sleeve pipe main part direct mount on transformer housing to prevent that transformer bushing from producing great friction and damaging, the protecting crust can avoid sleeve pipe main part to produce the collision and damage with other objects in installation or handling simultaneously, guarantees that transformer bushing can normal use.

Description

Transformer bushing

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer bushing.

Background

The transformer bushing is a main insulation device outside the transformer box, the insulation bushing can insulate between the outgoing line and the transformer shell, and meanwhile, the outgoing line is fixed, so that the transformer is conveniently connected with an external circuit.

The existing transformer bushing is mainly made of ceramic materials, the ceramic materials are poor in plasticity and toughness and brittle in texture, when the transformer bushing is installed, more friction is generated between the transformer bushing and a transformer shell, cracks are easily generated at the bottom of the transformer bushing, and the use of the transformer bushing is affected. In addition, the outer side of the transformer bushing does not have a protection measure, so that the transformer bushing main body is easy to collide with other objects to be damaged in the installation or carrying process, and the transformer bushing cannot be normally used.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a transformer bushing to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a transformer bushing, comprising:

the rubber sleeve is arranged above the sleeve main body and is in sleeve fit with the top of the sleeve main body, and the lining is arranged below the sleeve main body and is in sleeve fit with the bottom of the sleeve main body;

the protection mechanism comprises bilateral symmetry's protecting crust, the protecting crust sets up the top at the bush, the inboard of protecting crust is provided with the protection chamber, the protection chamber cooperates with the outer wall joint of sleeve pipe main part.

Preferably, the sleeve main body is provided with mutually parallel rain sheltering tops near the top end, and a plurality of uniformly distributed heat dissipation rings are arranged on the sleeve main body and below the rain sheltering tops.

Preferably, the outer wall of the sleeve main body is provided with sliding grooves distributed in an annular array manner at the position close to the bottom end, the inner wall of the bushing is provided with sliding blocks distributed in an annular array manner at the position close to the top end, and the sliding blocks are connected with the sliding grooves in a sliding manner.

Preferably, the bottom of the bushing is provided with a flange plate, the flange plate and the bushing are integrally formed, and the flange plate is provided with mounting holes distributed in an annular array.

Preferably, the hoop sleeve is arranged on the outer side of the bushing and close to the top end of the bushing, the hoop sleeve is arranged at the joint of the bushing and the sleeve main body and is in sleeve fit with the bushing, and two ends of the hoop sleeve are fixedly connected through bolts.

Preferably, annular spread groove has been seted up to the inboard of cuff, the sleeve pipe main part just be located the inboard of spread groove on the outer wall of bush and all be provided with the go-between, go-between and spread groove joint cooperation.

Preferably, the left side be provided with the fixed block of longitudinal symmetry on the outer wall of protecting crust, the right side of fixed block is open structure, the top of fixed block is provided with the fixed screw, the fixed screw run through the fixed block, and with fixed block threaded connection, the right side be provided with the inserted block of longitudinal symmetry on the outer wall of protecting crust, the inserted block cooperates with the fixed block joint, the top of inserted block and the below that is located the fixed screw are provided with the draw-in groove.

The utility model discloses a transformer bushing, which has the following beneficial effects:

1. this transformer bushing is through being provided with the bush, when carrying out transformer bushing installation, installs the bush in the sleeve pipe main part, makes bush and transformer housing fixed connection through the ring flange, avoids with sleeve pipe main part direct mount on transformer housing to prevent that transformer bushing from producing great friction and damaging.

2. This transformer bushing is provided with the protecting crust, can protect in the outside of sleeve pipe main part, avoids the sleeve pipe main part to produce the collision with other objects in installation or handling to prevent that the sleeve pipe main part from suffering the striking and damaging, conveniently install transformer bushing, and guarantee that transformer bushing can normal use.

Drawings

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

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a schematic structural diagram of the main body of the bushing of the present invention;

FIG. 4 is a schematic view of the bushing construction of the present invention;

FIG. 5 is a schematic view of the structure of the protective shell of the present invention;

FIG. 6 is a schematic view of the plug connection of the present invention.

In the figure: 1. a cannula body; 11. a rubber sleeve; 12. a rain shelter roof; 13. a heat dissipation ring; 14. a chute; 2. a bushing; 21. a slider; 22. a flange plate; 23. mounting holes; 24. a hoop sleeve; 25. connecting grooves; 26. a connecting ring; 3. a protective shell; 31. a protective cavity; 32. a fixed block; 33. fixing screws; 34. inserting a block; 35. a clamping groove.

Detailed Description

The embodiment of the utility model discloses a transformer bushing.

As shown in fig. 1 and 2, the sleeve comprises a sleeve main body 1, a rubber sleeve 11 is arranged above the sleeve main body 1, the rubber sleeve 11 is in sleeve fit with the top of the sleeve main body 1, a lining 2 is arranged below the sleeve main body 1, and the lining 2 is in sleeve fit with the bottom of the sleeve main body 1;

protection machanism, protection machanism comprise bilateral symmetry's protecting crust 3, and protecting crust 3 sets up in the top of bush 2, and the inboard of protecting crust 3 is provided with protection chamber 31, and protection chamber 31 cooperates with sleeve pipe main part 1's outer wall joint, and the bonding is fixed with the foam-rubber cushion on the inner wall in protection chamber 31, can cushion in sleeve pipe main part 1's the outside, improves the protective effect.

As shown in fig. 3 and 4, the casing main body 1 is provided with a rain shelter top 12 near the top end, the rain shelter top 12 plays a role of rain protection and can prevent rainwater from infiltrating into the transformer housing, a plurality of uniformly distributed heat dissipation rings 13 are arranged on the casing main body 1 and below the rain shelter top 12, and the casing main body 1 is convenient to dissipate heat through the heat dissipation rings 13.

The outer wall of the sleeve main body 1 is provided with a sliding groove 14 distributed in an annular array mode near the bottom end, the inner wall of the lining 2 is provided with a sliding block 21 distributed in an annular array mode near the top end, and the sliding block 21 is connected with the sliding groove 14 in a sliding mode, so that the lining 2 can be installed on the sleeve main body 1, and the sleeve main body 1 is protected conveniently.

The bottom of bush 2 is equipped with ring flange 22, and ring flange 22 and bush 2 integrated into one piece set up the mounting hole 23 that the annular array distributes on ring flange 22, conveniently installs ring flange 22 on transformer housing through mounting hole 23, and then accomplishes the installation to bush 2.

The outside of bush 2 just is close to top department and is equipped with hoop 24, and hoop 24 sets up in the junction of bush 2 and sleeve pipe main part 1, and cup joints the cooperation with bush 2, and bolt fixed connection is passed through at hoop 24's both ends.

Annular connecting groove 25 has been seted up to the inboard of cuff 24, and the inboard that just is located connecting groove 25 on the outer wall of sleeve pipe main part 1, bush 2 all is provided with go-between 26, go-between 26 and the cooperation of connecting groove 25 joint to make things convenient for cuff 24 to fix bush 2, avoid bush 2 to drop from sleeve pipe main part 1.

As shown in fig. 5 and 6, be provided with longitudinal symmetry's fixed block 32 on the outer wall of left side protecting sheathing 3, the right side of fixed block 32 is open structure, the top of fixed block 32 is provided with fixed screw 33, fixed screw 33 runs through fixed block 32, and with fixed block 32 threaded connection, be provided with longitudinal symmetry's inserted block 34 on the outer wall of right side protecting sheathing 3, inserted block 34 and fixed block 32 joint cooperation, inserted block 34's top and the below that is located fixed screw 33 are provided with draw-in groove 35, when fixed screw 33 and draw-in groove 35 joint, can fix between inserted block 34 and fixed block 32, thereby fix the protecting sheathing 3 in the outside of bushing main part 1, conveniently protect.

The working principle is as follows: when the transformer bushing is used, firstly, the bushing 2 is moved, the sliding block 21 is close to the sliding groove 14, the sliding block 21 is in sliding connection with the sliding groove 14, the bushing 2 is installed on the bushing main body 1, then, the hoop 24 is moved, the connecting groove 25 is in clamping fit with the connecting ring 26, then, two ends of the hoop 24 are fixed through bolts, the hoop 24 is used for fixing the bushing 2, then, the bushing main body 1 is moved to a transformer shell, the bushing 2 is installed on the transformer shell through the flange plate 22, and therefore the bushing main body 1 is installed, and in the installation process, the protective shell 3 can protect the bushing main body 1 and prevent the bushing main body 1 from being damaged due to collision;

after the installation is accomplished, rotate set screw 33, make set screw 33 break away from draw-in groove 35, stimulate protecting sheathing 3 after that, make inserted block 34 break away from fixed block 32 to dismantle protecting sheathing 3 from sleeve pipe main part 1, make things convenient for protecting sheathing 3 reuse.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A transformer bushing, comprising:

the sleeve comprises a sleeve main body (1), wherein a rubber sleeve (11) is arranged above the sleeve main body (1), the rubber sleeve (11) is in sleeve fit with the top of the sleeve main body (1), a bushing (2) is arranged below the sleeve main body (1), and the bushing (2) is in sleeve fit with the bottom of the sleeve main body (1);

protection machanism, protection machanism comprises bilateral symmetry's protecting crust (3), protecting crust (3) set up the top at bush (2), the inboard of protecting crust (3) is provided with protection chamber (31), protection chamber (31) cooperate with the outer wall joint of sleeve pipe main part (1).

2. A transformer bushing according to claim 1, characterized in that: the rain shelter is characterized in that a rain shelter top (12) which is parallel to each other is arranged on the sleeve main body (1) and close to the top end, and a plurality of uniformly distributed heat dissipation rings (13) are arranged on the sleeve main body (1) and below the rain shelter top (12).

3. A transformer bushing according to claim 1, characterized in that: the sleeve is characterized in that sliding grooves (14) distributed in an annular array mode are formed in the outer wall of the sleeve main body (1) and close to the bottom end, sliding blocks (21) distributed in an annular array mode are arranged on the inner wall of the lining (2) and close to the top end, and the sliding blocks (21) are connected with the sliding grooves (14) in a sliding mode.

4. A transformer bushing according to claim 1, characterized in that: the bottom of bush (2) is equipped with ring flange (22), ring flange (22) and bush (2) integrated into one piece, ring flange (22) are last to have seted up mounting hole (23) that the annular array distributes.

5. A transformer bushing according to claim 1, characterized in that: the outside of bush (2) just is close to top department and is equipped with hoop cover (24), hoop cover (24) set up in the junction of bush (2) and sleeve pipe main part (1), and cup joint the cooperation with bush (2), bolt fixed connection is passed through at the both ends of hoop cover (24).

6. The transformer bushing of claim 5, wherein: annular spread groove (25) have been seted up to the inboard of cuff (24), sleeve pipe main part (1) just be located the inboard of spread groove (25) on the outer wall of bush (2) and all be provided with go-between (26), go-between (26) and spread groove (25) joint cooperation.

7. A transformer bushing according to claim 1, characterized in that: left side be provided with longitudinal symmetry's fixed block (32) on the outer wall of protecting crust (3), the right side of fixed block (32) is open structure, the top of fixed block (32) is provided with fixed screw (33), fixed screw (33) run through fixed block (32), and with fixed block (32) threaded connection, right side be provided with longitudinal symmetry's inserted block (34) on the outer wall of protecting crust (3), inserted block (34) and fixed block (32) joint cooperation, the top of inserted block (34) and the below that is located fixed screw (33) are provided with draw-in groove (35).