CN219476477U

CN219476477U - High overload transformer

Info

Publication number: CN219476477U
Application number: CN202320473703.0U
Authority: CN
Inventors: 陈爱莉
Original assignee: Ningbo Jierui Intelligent Electric Co ltd
Current assignee: Ningbo Jierui Intelligent Electric Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-04
Anticipated expiration: 2033-03-07

Abstract

The application relates to a high overload transformer relates to the field of transformer technology, and it includes the base and sets up the fan on the base seat face, one side that is close to the fan on the base is provided with spacing, set up the spacing groove that supplies spacing to get into on the fan, one side that is close to the fan on the base is provided with the gag lever post, the gag lever post compresses tightly in one side that the fan kept away from the base, be provided with the locking device who is used for locking the fan on the base. This application has the effect that improves the stability of being connected between cooling fan and the base.

Description

High overload transformer

Technical Field

The present application relates to the field of transformer technology, and in particular, to a high overload transformer.

Background

The high overload transformer is a distribution transformer product which can be operated under proper overload under specific conditions, and is suitable for places with strong electricity consumption seasonality, large load fluctuation, concentrated electricity consumption and low annual average load rate.

In the related art, the high overload transformer is usually a dry-type transformer, the coil is mounted on the base, the cooling fans are fixed on two sides of the base, which are close to the coil, through bolts, and when the high overload transformer works, the cooling fans cool the coil.

With respect to the related art in the above, the inventors consider that: vibration can be generated when the high overload transformer and the cooling fan work, the cooling fan is fixed on the base by using the bolts, screw thread fit between the bolts and the base is easy to loosen, the stability of connection between the cooling fan and the base is poor, and the space for improvement is provided.

Disclosure of Invention

In order to improve the stability of connection between cooling fan and base, this application provides a high overload transformer.

The application provides a high overload transformer adopts following technical scheme:

the utility model provides a high overload transformer, includes the base and sets up the fan on the base seat, one side that is close to the fan on the base is provided with spacing, set up the spacing groove that supplies spacing to get into on the fan, one side that is close to the fan on the base is provided with the gag lever post, the gag lever post compresses tightly in one side that the fan kept away from the base, be provided with the locking device who is used for locking the fan on the base.

Through adopting above-mentioned technical scheme, install the fan on the base to make spacing entering spacing inslot, thereby make spacing on the base with the fan along the installation direction of perpendicular to fan, make the gag lever post compress tightly on the fan, thereby make the gag lever post spacing on the base with the fan along vertical direction, use locking device to lock the fan between spacing and gag lever post, and then improve the stability of being connected between fan and the base.

Optionally, a cushion pad is arranged on one side, close to the fan, of the base, and the cushion pad is tightly attached to the fan.

Through adopting above-mentioned technical scheme, install the fan on the base, make the blotter keep apart fan and base, at fan and transformer during operation, avoid vibrations as far as possible to lead to fan and base damage, and then improve the protection to fan and base.

Optionally, a stabilizing strip is arranged on one side, close to the fan, of the limiting rod, and a stabilizing groove for inserting the stabilizing strip is formed in the fan.

Through adopting above-mentioned technical scheme, install the fan on the base to make the gag lever post compress tightly on the fan, make the stabilizer bar insert the stabilizer inslot, make the atress of both sides about the fan more even, and then improve the stability of fan installation on the base.

Optionally, locking device includes the block that ends, ends the block that ends and mounting, it all sets up in the one side that the base is close to the fan to end the block that ends, end the block that ends and ends the block centre gripping fan that ends, the one side that ends the block that ends to keep away from the fan articulates on the base, offer the hinge groove that supplies the upset of stopping the block to get into on the base, the mounting wears to establish and compress tightly on the stopping block, offer the fixed orifices that supplies the mounting to fix on the fan.

Through adopting above-mentioned technical scheme, when the fan is installed on the base, make the fan impress the stopping piece in the hinge groove to make the fan get into between stopping piece and the stopping piece, use the mounting to wear to establish the stopping piece and be fixed in the fixed orifices, thereby make stopping piece and stopping piece clamp fan, and then improve the stability of being connected between fan and the base.

Optionally, the locking device further comprises an elastic piece, the elastic piece is arranged on one side of the base close to the retaining block, the elastic piece is located in the hinge groove, and the elastic piece drives the retaining block to turn over and keep away from the hinge groove.

Through adopting above-mentioned technical scheme, after the fan got into between stopping piece and the stopping piece, make the shell fragment drive stopping piece upset and keep away from the hinge groove to make stopping piece and stopping piece press from both sides tight with the fan, and then improve stopping piece and the convenience of stopping piece clamping fan.

Optionally, the locking device further comprises a guiding surface for guiding the fan to enter between the stopping block and the stopping block, and the guiding surface is arranged on one side of the stopping block away from the elastic sheet.

Through adopting above-mentioned technical scheme, when installing the fan on the base, make the guide surface guide fan with stopping the piece and impress in the hinge groove to make the fan get into stopping the piece and stopping between the piece, and then improve the convenience that the fan got into stopping between piece and the stopping piece.

Optionally, the locking device further comprises a limiting piece, the limiting piece is arranged on one side, away from the hinge, of the backstop block, a sliding groove for sliding of the limiting piece is formed in the base, the sliding groove is communicated with the hinge groove, and the limiting piece abuts against the base.

Through adopting above-mentioned technical scheme, the stopping piece is when the upset of hinge inslot to make spacing piece sliding in the groove that slides, make spacing piece and base offset, thereby limit in the hinge inslot with the stopping piece, avoid stopping piece to break away from the upset groove as far as possible, and then improve the stability of being connected between stopping piece and the base.

Optionally, the locking device further includes a first attracting magnet and a second attracting magnet, the first attracting magnet is disposed on one side of the limiting piece far away from the elastic piece, the second attracting magnet is disposed on one side of the base close to the first attracting magnet, and the first attracting magnet and the second attracting magnet attract each other.

Through adopting above-mentioned technical scheme, when the spacing piece slides in the groove that slides and offsets with the base to make first actuation magnet and second actuation magnet with spacing piece actuation on the base, avoid stopping the piece to return to the hinge inslot as far as possible and lead to stopping piece and stopping into the piece unable tight fan of clamp, and then improve stopping piece and stopping into the stability when piece centre gripping fan.

Optionally, the locking device further comprises a protective cover, the protective cover is arranged on one side of the base close to the retaining block, and the protective cover covers the retaining block.

By adopting the technical scheme, after the retaining block and the retaining block clamp the fan, the protective cover covers the retaining block, so that the situation that the retaining block is damaged to cause that the retaining block and the retaining block cannot clamp the fan is avoided as much as possible, and further the protection of the retaining block is improved.

Optionally, the locking device further comprises a positioning column, the positioning column is arranged on one side, close to the base, of the protective cover, and a positioning hole for inserting and fixing the positioning column is formed in the base.

Through adopting above-mentioned technical scheme, insert the reference column in the locating hole, make protective cover and base connection to make protective cover with stopping piece lid close, skew when avoiding protective cover lid to close stopping piece as far as possible, and then improve the stability of being connected between protective cover and the base, improve the accuracy of protective cover installation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fan is arranged on the base, so that the limiting strip enters the limiting groove, the fan is limited on the base along the installation direction perpendicular to the fan, the limiting rod is pressed on the fan, the fan is limited on the base along the vertical direction by the limiting rod, the fan is locked between the limiting strip and the limiting rod by the locking device, and the stability of connection between the fan and the base is improved;

2. the fan is arranged on the base, so that the buffer cushion isolates the fan from the base, and the fan and the base are prevented from being damaged due to vibration as much as possible when the fan and the transformer work, so that the protection of the fan and the base is improved;

3. the retaining block is covered by the protective cover, so that the situation that the retaining block and the advance block cannot clamp the fan due to damage to the retaining block is avoided as much as possible, and further protection to the retaining block is improved.

Drawings

Fig. 1 is a schematic structural diagram of a high overload transformer according to an embodiment of the present application.

Fig. 2 is an exploded schematic view of a blower, base and protective cover in an embodiment of the present application.

Fig. 3 is an exploded view of the base, the spring, the stop block, the fixing member and the first attracting magnet according to the embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a base, a spring, a retaining block, a fixing member, a limiting piece, a first attracting magnet and a second attracting magnet according to an embodiment of the present application.

Reference numerals illustrate: 1. a base; 11. a limit bar; 12. a limit rod; 1201. a stabilizing strip; 13. a cushion pad; 14. a hinge groove; 15. a slip groove; 16. positioning holes; 2. a blower; 21. a limit groove; 22. a stabilizing groove; 23. a fixing hole; 3. a locking device; 31. a stop block; 32. a stop block; 33. a fixing member; 34. a spring plate; 35. a guide surface; 36. a limiting piece; 37. a first attracting magnet; 38. a second attracting magnet; 39. a protective cover; 310. and positioning columns.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Referring to fig. 1 and 2, the embodiment of the application discloses a high overload transformer, which comprises a base 1, a fan 2, a limit bar 11, a limit bar 12 and a locking device 3. The base 1 is used for supporting the coil. The fans 2 are symmetrically arranged on two sides of the seat surface of the base 1 opposite to the coil, and the fans 2 are used for cooling the coil. The limit bar 11 is welded on one side of the base 1 close to the fan 2. The fan 2 is provided with a limit groove 21 for inserting the limit bar 11, so that the limit bar 11 is inserted into the limit groove 21, and the limit bar 11 is propped against the fan 2, so that the fan 2 is limited on the base 1 along the installation direction of the fan 2. The gag lever post 12 welds in the base 1 one side that is close to fan 2, and gag lever post 12 compresses tightly in the fan 2 one side that is kept away from base 1 to limit fan 2 on base 1 along vertical direction. The locking device 3 is arranged on the base 1, and the locking device 3 is used for locking the fan 2 between the limit bar 11 and the limit rod 12, so that the fan 2 is fixed on the base 1.

Referring to fig. 1 and 2, a cushion pad 13 is adhered to the base 1. The cushion pad 13 is made of rubber, and the cushion pad 13 is positioned on one side of the base 1 close to the fan 2. When the fan 2 is installed on the base 1, the fan 2 is tightly attached to the buffer pad 13, so that the buffer pad 13 isolates the fan 2 from the base 1, and when the fan 2 and the transformer work to vibrate, the friction between the fan 2 and the base 1 is reduced, and damage to the fan 2 and the base 1 is reduced.

Referring to fig. 1 and 2, a stabilizer bar 1201 is integrally provided on the stopper rod 12. The stabilizing strip 1201 is located on the side of the stop lever 12 adjacent the fan 2. The fan 2 is provided with a stabilizing groove 22. When the fan 2 is mounted on the base 1, the stabilizing strip 1201 enters the stabilizing groove 22, so that the stabilizing strip 1201 is propped against the fan 2, and the stress on the upper side and the lower side of the fan 2 is more uniform, so that the fan 2 is more stable when mounted on the base 1.

Referring to fig. 2 and 3, the locking device 3 includes a stop block 31, a stop block 32, a fixing member 33, a spring piece 34, a guide surface 35, a limiting piece 36, a first attracting magnet 37, a second attracting magnet 38, a protective cover 39, and a positioning column 310. The stop block 31 is welded to the side of the base 1 close to the fan 2. Referring to fig. 4, the side of the retaining block 32 away from the fan 2 is hinged to the side of the base 1 near the fan 2. The base 1 is provided with a hinge groove 14 into which the stop block 32 is turned. When the fan 2 is mounted on the base 1, the retaining block 32 is made to enter the hinge groove 14, and when the fan 2 is located between the retaining block 32 and the advance block 31, the retaining block 32 is made to flip out of the hinge groove 14, so that the retaining block 32 and the advance block 31 clamp the fan 2. The fixing member 33 may be a bolt. The fixing member 33 is mounted on the stop block 32, and the fixing member 33 is inserted through and pressed against the stop block 32. The fan 2 is provided with a fixing hole 23 for fixing the fixing piece 33. The fixing piece 33 is inserted through the retaining block 32 and fixed in the fixing hole 23, so that the retaining block 32 and the fan 2 are tensioned by the fixing piece 33.

Referring to fig. 2 and 3, a protective cover 39 is installed at a side of the base 1 near the stopper 32. The protecting cover 39 is used for covering the retaining block 32, so that the retaining block 32 cannot clamp the fan 2 with the advance block 31 due to damage to the retaining block 32 is avoided as much as possible. The positioning column 310 is integrally arranged on one side of the protective cover 39 close to the base 1. The base 1 is provided with a positioning hole 16 for inserting and fixing the positioning column 310. The positioning posts 310 are inserted into the positioning holes 16, so that the anti-slip cover is mounted on the base 1 to cover the stop block 32.

Referring to fig. 3 and 4, the elastic piece 34 is mounted on one side of the base 1 near the retaining block 32, and the elastic piece 34 is located in the hinge groove 14. One end of the elastic piece 34 is pressed on the stop block 32, and the other end of the elastic piece 34 is pressed on the bottom of the hinge groove 14. The spring 34 urges the stop block 32 to flip away from the hinge slot 14. When the fan 2 is mounted on the base 1, the fan 2 presses the stop block 32 back into the hinge groove 14, and when the fan 2 is positioned between the stop block 32 and the stop block 31, the elastic sheet 34 drives the stop block 32 to reset, so that the stop block 32 and the stop block 31 clamp the fan 2.

Referring to fig. 3 and 4, the guide surface 35 is cut on the side of the stop block 32 away from the elastic piece 34. When the fan 2 is mounted on the base 1, the guide surface 35 guides the fan 2 to press the stop block 32 into the hinge groove 14, so that the stop block 32 is prevented from blocking the fan 2 to enter between the stop block 32 and the stop block 31 as much as possible, and the fan 2 is easier to mount.

Referring to fig. 3 and 4, a stopper piece 36 is integrally provided on a side of the stopper piece 32 remote from the hinge. The base 1 is provided with a sliding groove 15 for the limiting piece 36 to overturn and slide, and the sliding groove 15 is mutually communicated with the hinging groove 14. When the elastic sheet 34 drives the limiting sheet 36 to turn over and keep away from the hinge groove 14, the limiting sheet 36 turns over in the sliding groove 15 and abuts against the base 1, so that the stopping block 32 is prevented from being separated from the hinge groove 14 as much as possible, and the stopping block 32 and the stopping block 31 cannot clamp the fan 2.

Referring to fig. 3 and 4, the first attracting magnet 37 is adhered to a side of the spacing piece 36 near the base 1. The second attracting magnet 38 is adhered to the side of the base 1 near the first attracting magnet 37. The first attracting magnet 37 and the second attracting magnet 38 are opposite in polarity on the side where they are close to each other, so that the first attracting magnet 37 and the second attracting magnet 38 attract each other. When the elastic sheet 34 drives the stop block 32 to turn out of the hinge groove 14, the limiting piece 36 is propped against the base 1 in the sliding groove 15, so that the first attracting magnet 37 and the second attracting magnet 38 attract the limiting piece 36 on the base 1, and the situation that the stop block 32 cannot clamp the fan 2 with the stop block 31 due to the fact that the stop block 32 is retreated into the hinge groove 14 is avoided as much as possible.

The mounting process of the high overload transformer in the embodiment of the application is as follows:

1. the fan 2 is arranged on the base 1, so that the limit bar 11 is inserted into the limit groove 21 on the fan 2, the limit bar 11 is propped against the fan 2, the fan 2 is limited on the base 1 along the length direction of the fan 2, the buffer pad 13 is tightly attached to the fan 2, friction between the fan 2 and the base 1 is reduced, damage to the fan 2 and the base 1 is avoided as much as possible, the limit bar 12 is pressed on one side, far away from the base 1, of the fan 2, the limit bar 12 is used for limiting the fan 2 on the base 1 along the vertical direction, the stabilizing bar 1201 is inserted into the stabilizing groove 22, so that stress on the upper side and the lower side of the fan 2 is more uniform, and the fan 2 is more stable;

2. when the fan 2 is mounted on the base 1, the guide surface 35 guides the fan 2 to press the stop block 32 into the hinge groove 14, when the fan 2 enters between the stop block 32 and the stop block 31, the elastic sheet 34 drives the stop block 32 to turn out of the hinge groove 14, the stop block 32 and the stop block 31 clamp the fan 2, the fixing piece 33 is penetrated and pressed on the stop block 32, and the fixing piece 33 is fixed in the fixing hole 23 on the fan 2, so that the fixing piece 33 tightens the stop block 32 and the fan 2, and the fan 2 is limited on the base 1 along the mounting direction of the fan 2;

3. the positioning column 310 is inserted into the positioning hole 16, so that the protective cover 39 is rotated on the base 1, the protective cover 39 covers the stop block 32, and the situation that the stop block 32 cannot clamp the fan 2 with the stop block 31 due to damage to the stop block 32 is avoided as much as possible.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a high overload transformer, includes base (1) and sets up fan (2) on base (1) seat, its characterized in that: one side that is close to fan (2) on base (1) is provided with spacing (11), set up spacing groove (21) that supply spacing (11) to get into on fan (2), one side that is close to fan (2) on base (1) is provided with gag lever post (12), gag lever post (12) compress tightly in one side that fan (2) kept away from base (1), be provided with locking device (3) that are used for locking fan (2) on base (1).

2. A high overload transformer as claimed in claim 1 wherein: one side of the base (1) close to the fan (2) is provided with a buffer pad (13), and the buffer pad (13) is tightly attached to the fan (2).

3. A high overload transformer as claimed in claim 1 wherein: one side of the limiting rod (12) close to the fan (2) is provided with a stabilizing strip (1201), and the fan (2) is provided with a stabilizing groove (22) for inserting the stabilizing strip (1201).

4. A high overload transformer as claimed in claim 1 wherein: locking device (3) are including stopping into piece (31), stopping block (32) and mounting (33), stopping into piece (31) and stopping block (32) all set up in one side that base (1) is close to fan (2), stopping into piece (31) and stopping block (32) centre gripping fan (2), stopping block (32) are kept away from one side of fan (2) and are articulated on base (1), offer on base (1) and supply hinging groove (14) that stopping block (32) upset got into, mounting (33) wear to establish and compress tightly on stopping block (32), offer on fan (2) and supply fixed orifices (23) that mounting (33) are fixed.

5. The high overload transformer of claim 4, wherein: the locking device (3) further comprises an elastic piece (34), the elastic piece (34) is arranged on one side, close to the backstop block (32), of the base (1), the elastic piece (34) is located in the hinge groove (14), and the backstop block (32) is driven by the elastic piece (34) to turn over and away from the hinge groove (14).

6. A high overload transformer as claimed in claim 5 wherein: the locking device (3) further comprises a guide surface (35) for guiding the fan (2) to enter between the stop block (32) and the stop block (31), and the guide surface (35) is arranged on one side, far away from the elastic sheet (34), of the stop block (32).

7. A high overload transformer as claimed in claim 5 wherein: the locking device (3) further comprises a limiting piece (36), the limiting piece (36) is arranged on one side, away from the hinge, of the stop block (32), a sliding groove (15) for the sliding of the limiting piece (36) is formed in the base (1), the sliding groove (15) is communicated with the hinge groove (14), and the limiting piece (36) abuts against the base (1).

8. A high overload transformer as claimed in claim 7 wherein: the locking device (3) further comprises a first attracting magnet (37) and a second attracting magnet (38), the first attracting magnet (37) is arranged on one side, far away from the elastic sheet (34), of the limiting piece (36), the second attracting magnet (38) is arranged on one side, close to the first attracting magnet (37), of the base (1), and the first attracting magnet (37) and the second attracting magnet (38) attract each other.

9. The high overload transformer of claim 4, wherein: the locking device (3) further comprises a protective cover (39), the protective cover (39) is arranged on one side, close to the retaining block (32), of the base (1), and the retaining block (32) is covered by the protective cover (39).

10. A high overload transformer as claimed in claim 9 wherein: the locking device (3) further comprises a positioning column (310), the positioning column (310) is arranged on one side, close to the base (1), of the protective cover (39), and a positioning hole (16) for inserting and fixing the positioning column (310) is formed in the base (1).