CN219393139U

CN219393139U - Transformer core clamp

Info

Publication number: CN219393139U
Application number: CN202320758111.3U
Authority: CN
Inventors: 张计权; 徐浩; 华健; 环俊平
Original assignee: Jiangyin Chuangjia Electrical Appliance Co Ltd
Current assignee: Jiangyin Chuangjia Electrical Appliance Co Ltd
Priority date: 2023-04-08
Filing date: 2023-04-08
Publication date: 2023-07-21
Anticipated expiration: 2033-04-08

Abstract

The utility model relates to the technical field of transformers and discloses a transformer iron core clamping piece which comprises a first clamping frame and a second clamping frame, wherein the second clamping frame is provided with external threads, the second clamping frame is provided with a fixing frame, the fixing frame is provided with an adjusting bolt, the adjusting bolt is provided with a connecting disc, the second clamping frame is provided with a mounting block, the mounting block is provided with a movable cavity, the movable cavity is provided with a movable block, the movable block is provided with a traction plate, the traction plate is attached to the connecting disc, the traction plate is provided with an elastic spring, the other end of the elastic spring is fixedly assembled with the second clamping frame, the surface of the mounting block is provided with a communicating groove, the movable block is fixedly assembled with an indicating arrow, the mounting block is fixedly assembled with a scale mark, and the rotation number of a nut on a screw rod of the transformer iron core clamping piece is difficult to control the same through the matching of the scale mark and the indicating arrow, so that the fastening degree of the nut and the screw rod on the iron core is different, and the problem of affecting the fastening performance of the iron core is solved.

Description

Transformer core clamp

Technical Field

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

Background

The transformer is a device for changing ac voltage by using the principle of electromagnetic induction, and is mainly composed of a primary coil, a secondary coil and an iron core (magnetic core), and is often used for voltage rise and fall, impedance matching, safety isolation and the like in electric equipment and wireless circuits. In the generator, no matter the coil moves through a magnetic field or the magnetic field moves through a fixed coil, electric potential can be induced in the coil, and in the two cases, the value of magnetic flux is unchanged, but the quantity of magnetic flux which is intersected with the coil and linked with the coil is changed, which is the principle of mutual induction, the transformer is a device which converts voltage, current and impedance by using electromagnetic mutual induction, and a transformer framework and an iron core are fixed or wrapped through a transformer clamping piece.

According to the existing transformer iron core wooden clamp (application number: CN 201310754760.7), the device is in direct contact with the clamp web plate and the body pressing plate, so that the distance between the original metal clamp web plate and the body pressing plate is eliminated, the climbing distance of a coil to the ground is effectively increased, and the stability of the transformer is improved; because the iron core clamping piece is made of wood materials, the deformation and change of the magnetic circuit can not be caused when the transformer operates, and therefore the eddy current loss generated by the iron core clamping piece is greatly reduced. This technical scheme guarantees when pressing from both sides tight iron core, increases electric insulation distance and reduces eddy current loss's purpose, but current transformer core folder still has following problem in the in-process of using:

the transformer iron core clamping piece is used for fixing the iron core through the plurality of screws and the nuts, and the rotation turns of the nuts on the screws are difficult to control to be the same, so that the tightening degree of the nuts and the screws on the iron core is different, the tightening property of the iron core is affected, and therefore the transformer iron core clamping piece is necessary to be used in the technical field of the existing transformer.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problem that the rotation turns of the existing nut on the screw are difficult to control the same, so that the fastening degree of the nut and the screw on the iron core is different and the fastening property of the iron core is affected, the utility model provides a transformer iron core clamping piece which has the advantage of being convenient to control the rotation turns of the nut on the screw to be the same, and solves the problem proposed by the background technology.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a transformer core folder, includes first press from both sides the frame and the second presss from both sides the frame, the second press from both sides the frame on run through and be provided with a plurality of jacks, fixedly mounted with has a plurality of mounts on the second press from both sides the frame, the jack all is located the inboard of mount respectively, equal screw thread is equipped with adjusting bolt on the mount, equal fixedly mounted with connection pad on the adjusting bolt, the connection pad is located one side of mount, and the jack corresponds the one end that is close to adjusting bolt, fixedly mounted with a plurality of installation pieces on the second press from both sides the frame, the installation piece corresponds one side that is located the mount, the inside of installation piece all is provided with the movable chamber, all movable assembly has the movable block on the movable chamber, the one end activity of movable block runs through the installation piece to the equal fixed mounting of one end of movable block has the traction plate, the traction plate laminates with the connection pad.

Preferably, the traction plate on equal symmetry fixed mounting have elastic spring, elastic spring is located the both sides of installation piece and movable block, elastic spring's the other end all carries out fixed mounting with the second clamp frame, the surface of installation piece all is provided with the intercommunication groove, the intercommunication groove communicates with the movable chamber, equal fixed mounting has the instruction arrow on the movable block, the instruction arrow is located the intercommunication groove, equal fixed mounting has the scale mark on the installation piece, the scale mark is located one side of intercommunication groove, and the instruction arrow is close to the scale mark.

Preferably, the first clamping frame is fixedly provided with a plurality of first assembly plates, and the second clamping frame is fixedly provided with a plurality of second assembly plates.

Preferably, the number of the first assembly plates is the same as the number of the second assembly plates.

Preferably, the first assembly plate is fixedly provided with a mounting tube, the second assembly plate is fixedly provided with an inserting rod, and one end of the inserting rod movably penetrates through the mounting tube to move.

Preferably, the first clamp frame on fixed assembly have a plurality of slide bars, the slide bar all carries out movable assembly with the jack, the one end of slide bar all is provided with the external screw thread, adjusting bolt's one end all be provided with the hexagonal groove, the hexagonal groove is close to the jack, all be provided with the slot on the hexagonal groove, all the joint has the hexagonal nut on the hexagonal groove, the hexagonal nut corresponds carries out screw thread assembly with the external screw thread on the slide bar.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the transformer iron core clamping piece, a plurality of iron cores respectively penetrate through the sliding rods and are pushed to enable the iron cores to be attached to the surface of the first clamping frame, the second clamping frame is moved towards the direction of the first clamping frame, one end of the inserting rod is moved in the installation tube, the second clamping frame is attached to the iron cores, at the moment, external threads on the sliding rods penetrate through the insertion holes to enable the external threads on the sliding rods to be located at one end of the inserting grooves, the adjusting bolts are rotated on the fixing frame to enable the hexagonal nuts to be assembled with the external threads on the sliding rods in a threaded mode, one end of the sliding rods is moved in the inserting grooves, meanwhile the adjusting bolts are rotated on the fixing frame to enable the connecting disc to push the movable block to move in the communicating groove on the installation block, the rotating circle number of the external threads of the hexagonal nuts on the external threads can be controlled to be identical according to the scale marks corresponding to the indication arrows.

2. According to the transformer iron core clamping piece, the hexagonal nut is in threaded assembly with the external threads on the sliding rod, and the adjusting bolt is in threaded assembly with the fixing frame, so that double fixing is realized, the stability of the iron core is improved, and the loosening of the iron core is avoided.

Drawings

Fig. 1 is a schematic perspective view of a transformer core clamping member according to the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 in partial cross section in the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic perspective view of a transformer core clamping member according to the present utility model.

In the figure:

10. a first clamping frame; 11. a second clamping frame; 12. a first assembly plate; 13. a second assembly plate;

20. installing a pipe; 21. a rod; 22. a slide bar; 23. an external thread;

30. a fixing frame; 31. an adjusting bolt; 32. a connecting disc; 33. a jack;

40. a mounting block; 41. a movable block; 42. a communication groove; 43. scale marks;

50. an elastic spring; 51. a movable cavity; 52. an indication arrow; 53. a traction plate;

60. a hexagonal groove; 61. a slot; 62. a hexagonal nut.

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.

Examples

As shown in fig. 1 to 4, which are schematic structural diagrams of a transformer core clamping piece according to a preferred embodiment of the present utility model, the transformer core clamping piece of the present embodiment includes a first clamping frame 10 and a second clamping frame 11, a plurality of insertion holes 33 are formed in the second clamping frame 11 in a penetrating manner, a plurality of fixing frames 30 are fixedly mounted on the second clamping frame 11, the insertion holes 33 are respectively located at the inner sides of the fixing frames 30, adjusting bolts 31 are respectively assembled on the fixing frames 30 in a threaded manner, connecting discs 32 are respectively and fixedly mounted on the adjusting bolts 31, the connecting discs 32 are located at one side of the fixing frames 30, the insertion holes 33 are respectively located at one end close to the adjusting bolts 31, a plurality of mounting blocks 40 are fixedly mounted on the second clamping frame 11, the mounting blocks 40 are respectively located at one side of the fixing frames 30, movable cavities 51 are respectively arranged in the mounting blocks 40, one end of each movable cavity 51 is movably provided with a movable block 41, one end of each movable block 41 is fixedly provided with a traction plate 53 which is attached to the connecting discs 32, elastic springs 50 are respectively and symmetrically and fixedly mounted on the fixing frames 30, the elastic springs 50 are located at both sides of the mounting blocks 40 and the two sides of the movable blocks 40 are respectively connected with the corresponding scale marks 43, the other end of each movable block 40 is connected to the fixed grooves 42, and the other is located at one side of the scale marks 43 are respectively connected with the scale marks 42, and the scale marks 43 are respectively and the scale marks 42 are respectively connected with the fixed on the fixed grooves 42.

A plurality of first assembly plates 12 are fixedly assembled on the first clamping frame 10, a plurality of second assembly plates 13 are fixedly assembled on the second clamping frame 11, the number of the first assembly plates 12 is the same as that of the second assembly plates 13, the first assembly plates 12 are fixedly assembled with mounting tubes 20, the second assembly plates 13 are fixedly assembled with inserting rods 21, and one ends of the inserting rods 21 movably penetrate through the inside of the mounting tubes 20 to move.

The first clamping frame 10 is fixedly provided with a plurality of sliding rods 22 moving in the insertion holes 33, one ends of the sliding rods 22 are respectively provided with external threads 23, one ends of the adjusting bolts 31 are respectively provided with a hexagonal groove 60, the hexagonal grooves 60 are close to the insertion holes 33, the hexagonal grooves 60 are respectively provided with a slot 61, and the hexagonal grooves 60 are respectively clamped with hexagonal nuts 62 which are in threaded assembly with the external threads 23 on the sliding rods 22.

In this example, pass slide bar 22 respectively with a plurality of iron cores to promote the iron core, make the iron core laminate with first clamp frame 10 surface, move the second clamp frame 11 towards the direction of first clamp frame 10, make the one end of inserted bar 21 remove in the inside of installation pipe 20, second clamp frame 11 laminate with the iron core, the external screw thread 23 on slide bar 22 passes jack 33 this moment, make the external screw thread 23 on slide bar 22 lie in the one end of slot 61, rotate adjusting bolt 31 on mount 30, make hexagonal nut 62 and the external screw thread 23 on slide bar 22 carry out the screw thread assembly, the one end of slide bar 22 removes in slot 61, simultaneously adjusting bolt 31 rotates on mount 30, make connection pad 32 promote movable block 41 remove in the intercommunication groove 42 on installation piece 40, the number of turns of external screw thread 23 on hexagonal nut 62 is the same according to the instruction arrow 52 correspondence scale mark 43, simultaneously, the external screw thread assembly is carried out with external screw thread 23 on hexagonal nut 62 and mount 30, dual firm iron core has been avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A transformer core clamping piece comprises a first clamping frame (10) and a second clamping frame (11),

the method is characterized in that:

the utility model provides a second press from both sides frame (11) on run through and be provided with a plurality of jack (33), fixed mounting has a plurality of mounts (30) on second press from both sides frame (11), jack (33) are located the inboard of mount (30) respectively, all screw thread is equipped with adjusting bolt (31) on mount (30), all fixed mounting has connection pad (32) on adjusting bolt (31), connection pad (32) are located one side of mount (30), and jack (33) correspond the one end that is close to adjusting bolt (31), fixed mounting has a plurality of installation piece (40) on second press from both sides frame (11), installation piece (40) correspond one side that is located mount (30), the inside of installation piece (40) all is provided with movable chamber (51), all movable mounting is equipped with movable piece (41) on movable chamber (51), one end activity of movable piece (41) runs through installation piece (40), and the one end of movable piece (41) all fixed mounting has traction plate (53), traction plate (53) laminating with connection pad (32).

2. A transformer core clip as recited by claim 1, wherein: the traction plate (53) on equal symmetry fixed mounting have elasticity spring (50), elasticity spring (50) are located the both sides of installation piece (40) and movable block (41), the other end of elasticity spring (50) all carries out fixed mounting with second clamp frame (11), the surface of installation piece (40) all is provided with intercommunication groove (42), intercommunication groove (42) communicates with movable cavity (51), all fixed mounting has instruction arrow (52) on movable block (41), instruction arrow (52) are located intercommunication groove (42), all fixed mounting has scale mark (43) on installation piece (40), scale mark (43) are located one side of intercommunication groove (42), and instruction arrow (52) are close to scale mark (43).

3. A transformer core clip as recited by claim 2, wherein: a plurality of first assembly plates (12) are fixedly assembled on the first clamping frame (10), and a plurality of second assembly plates (13) are fixedly assembled on the second clamping frame (11).

4. A transformer core clip as recited by claim 3, wherein: the number of the first assembly plates (12) is the same as the number of the second assembly plates (13).

5. A transformer core clip as recited by claim 4, wherein: the first assembly plate (12) on all fixed mounting have install tube (20), the second assembly plate (13) on all fixed mounting have inserted bar (21), the inside of install tube (20) is all run through to the activity of one end of inserted bar (21) moves.

6. A transformer core clip as recited by claim 5, wherein: the first clamp frame (10) on fixed assembly be provided with a plurality of slide bars (22), slide bar (22) all carry out movable assembly with jack (33), the one end of slide bar (22) all be provided with external screw thread (23), the one end of adjusting bolt (31) all be provided with hexagonal groove (60), hexagonal groove (60) are close to jack (33), all be provided with slot (61) on hexagonal groove (60), all the joint has hexagon nut (62) on hexagonal groove (60), hexagon nut (62) correspond and carry out screw thread assembly with external screw thread (23) on slide bar (22).