Transformer coil with high heat dissipation performance

Abstract

The utility model discloses a transformer coil with strong heat dissipation performance, which comprises a transformer body and a coil body, the coil body is arranged in the transformer body, heat dissipation mechanisms are arranged on both sides of the transformer body, and each heat dissipation mechanism comprises a mounting shell, a mounting frame, a heat dissipation fan and heat dissipation holes. The mounting frame is connected to the outer side of the mounting shell by arranging a quick mounting mechanism, the quick mounting mechanism comprises an inserting rod, a fixing sleeve, clamping grooves, a sliding rod, a sliding block, a connecting plate, a contraction spring and a clamping block, the inserting rod is fixed to the outer side of the mounting shell and is in inserted connection with the mounting frame, the fixing sleeve is inserted into the top end of the inserting rod, and the clamping grooves are distributed in the outer wall of the inserting rod; through the arrangement of the quick disassembly mechanism comprising the sliding sleeve, the tension spring, the inclined groove, the receding groove, the connecting sleeve, the limiting block, the limiting groove and the limiting sleeve, an operator can drive the sliding block to slide along the inclined groove by pushing the sliding sleeve, so that the meshing state of the clamping block and the clamping groove is controlled, and quick assembly and disassembly of the cooling fan are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field more specifically, it relates to a transformer coil that heat dissipation is strong. BACKGROUND

[0002] In the power equipment operation scene, the heat dissipation problem of transformer coil directly influences the operation efficiency and service life of equipment, at present, most transformer coils adopt the forced heat dissipation of heat dissipation fan, but the existing heat dissipation fan mounting structure is complex, needs to use multiple tools and complicated installation steps, this not only increases the installation time, also brings many inconvenience to daily maintenance;

[0003] In the transformer equipment maintenance scene, the cleaning and replacement of heat dissipation fan are important links to guarantee the heat dissipation effect, however, the traditional heat dissipation fan fixing mode often needs to disassemble multiple fasteners, and the operation process is time-consuming and laborious, which not only reduces the maintenance efficiency, but also increases the work burden of maintenance personnel, and cannot meet the actual needs of rapid maintenance and replacement. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides a transformer coil that heat dissipation is strong to solve the technical problems mentioned in the background art.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a transformer coil that heat dissipation is strong, including transformer body and coil body, the coil body is installed in transformer body, the both sides of transformer body are provided with heat dissipation mechanism, the heat dissipation mechanism includes installation shell, installation frame, heat dissipation fan and heat dissipation hole, installation installation shell is fixed on the both sides of transformer body, installation frame is connected on the outside of installation shell through being provided with quick -mounting mechanism, heat dissipation fan is installed in installation frame, heat dissipation hole is provided with multiple groups and is distributed on the outside of installation shell, the quick -mounting mechanism includes plug rod, fixed sleeve, slot, slide rod, sliding block, connecting plate, contraction spring and card block, plug rod is fixed on the outside of installation shell and is inserted with installation frame, fixed sleeve is inserted in the top of plug rod, slot is provided with multiple groups and is distributed on the outer wall of plug rod, slide rod is provided with multiple groups and is slid in the outer wall of fixed sleeve, sliding block is installed on the top of multiple groups of slide rods, connecting plate is set up on the outside of multiple groups of sliding blocks, contraction spring is connected in the inside of multiple groups of connecting plates and is fixedly connected with the outer wall of fixed sleeve, card block is installed on the bottom of multiple groups of slide rods and is respectively engaged with multiple groups of slots.

[0008] The utility model further sets up, the outer wall of plug rod is provided with positioning groove, the inner wall of fixed sleeve is equipped with positioning strip, the positioning groove and positioning strip are provided with multiple groups and are slidably connected.

[0009] The utility model further sets up, quick detach mechanism is established outside the fixed cover, quick detach mechanism includes slide cover, tension spring, inclined slot, let position slot, connecting sleeve, limit block, limit slot and limit sleeve, slide cover slides in fixed cover outer wall, and the both ends of tension spring are connected with slide cover and fixed cover respectively, and the inclined slot is provided with multiple groups of distribution in slide cover outer wall and is connected with multiple slide blocks respectively, let position slot is arranged in multiple inclined slots, connecting sleeve is fixed in slide cover bottom surface, limit block is provided with multiple groups of sliding in connecting sleeve outer wall, limit slot is provided with multiple groups of distribution in fixed cover outer wall, and limit sleeve slides in fixed cover outer wall and abuts in multiple limit block top -end.

[0010] The utility model further sets up, the top -end of limit block all is connected with reset spring, and the bottom of multiple reset spring all is fixedly connected with connecting sleeve outer wall, and through the elastic action of reset spring, ensure that limit block can automatic reset and keep stable limit state.

[0011] The utility model further sets up, the inside of limit sleeve is equipped with guide plate, guide plate is provided with multiple groups, fixed cover outer wall is equipped with guide groove, guide groove is provided with multiple groups and is connected with multiple guide plates sliding respectively, through the sliding fit of guide plate and guide groove, realize the accurate direction of limit sleeve, prevent limit sleeve from deflecting in the movement process.

[0012] The utility model further sets up, the below of limit sleeve is provided with limit mechanism, limit mechanism includes support, block, rotary sleeve, unlocking slot, restriction slot and restriction block, support is provided with multiple groups of distribution in limit sleeve bottom surface, and block is installed in multiple support bottom -ends, and rotary sleeve is rotatably installed in fixed cover outer wall, and unlocking slot is provided with multiple groups of distribution in rotary sleeve top surface, and restriction slot is set up outside multiple unlocking slots, and restriction block is installed in multiple support outer walls, through the cooperation of support, block and unlocking slot, realize the locking and unlocking function of limit sleeve, and simultaneously provide movement direction through the cooperation of restriction block and restriction slot.

[0013] The utility model further sets up, the outer wall of fixed cover is equipped with baffle, the bottom surface of rotary sleeve is equipped with extrusion block, and baffle and extrusion block all are provided with multiple groups and are connected extrusion spring between respectively, through the cooperation of extrusion block, baffle and extrusion spring, realize the automatic reset function of rotary sleeve, and simultaneously provide appropriate operating damping.

[0014] The utility model further sets up, the bottom surface of limit sleeve is connected with compression spring, and compression spring is provided with multiple groups, and through multiple compression springs provide reset force for limit sleeve, ensure that limit sleeve can automatically return to initial position.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, this utility model provides a transformer coil with strong heat dissipation, which has the following beneficial effects:

[0017] 1. By setting a quick-release mechanism between the mounting shell and the mounting frame, which includes a plug rod, a fixing sleeve, a slot, a slide rod, a slider, a connecting plate, a contraction spring, and a locking block, the cooling fan can be quickly positioned and fixed. The plug rod and the mounting frame are used to provide initial positioning, and the locking block and the slot are used to achieve reliable locking.

[0018] 2. By configuring a quick-release mechanism including a sliding sleeve, tension spring, inclined groove, clearance groove, connecting sleeve, limit block, limit groove and limit sleeve, the operator can push the sliding sleeve to drive the slider to slide along the inclined groove, thereby controlling the engagement state of the card block and the card slot, and realizing the quick installation and removal of the cooling fan.

[0019] 3. By setting up a limiting mechanism including a support rod, a stop block, a rotating sleeve, an unlocking groove, a limiting groove, and a limiting block, when fixing is required, the limiting block is locked into the limiting groove under the action of the return spring, and double locking is achieved through the cooperation of the rotating sleeve and the stop block. When disassembly is required, simply rotate the rotating sleeve to align the unlocking groove with the stop block to quickly release the limit, which greatly improves the efficiency and convenience of cooling fan installation and maintenance. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a transformer coil with strong heat dissipation according to the present invention.

[0021] Figure 2 This is a cross-sectional view of the mounting shell in this utility model;

[0022] Figure 3 This is a schematic diagram of the limiting mechanism in this utility model;

[0023] Figure 4 This is a cross-sectional view of the quick-assembly mechanism in this utility model;

[0024] Figure 5 This is a cross-sectional view of the fixing sleeve in this utility model.

[0025] In the figure: 1, transformer body; 2, coil body; 3, mounting shell; 4, mounting frame; 5, heat dissipation fan; 6, heat dissipation hole; 7, insertion rod; 8, fixing sleeve; 9, clamping groove; 10, sliding rod; 11, sliding block; 12, connecting plate; 13, contraction spring; 14, clamping block; 15, positioning groove; 16, positioning strip; 17, sliding sleeve; 18, tension spring; 19, inclined groove; 20, accommodation groove; 21, connecting sleeve; 22, limiting block; 23, limiting groove; 24, limiting sleeve; 25, reset spring; 26, guide plate; 27, guide groove; 28, supporting rod; 29, abutting block; 30, rotating sleeve; 31, unlocking groove; 32, limiting groove; 33, limiting block; 34, baffle; 35, extrusion block; 36, compression spring; 40, extrusion spring. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0029] Please refer to Figures 1-5The utility model provides a transformer coil with strong heat dissipation, which comprises a transformer body 1 and a coil body 2, the coil body 2 is installed in the transformer body 1, heat dissipation mechanisms are arranged on both sides of the transformer body 1, the heat dissipation mechanism comprises an installation shell 3, an installation frame 4, a heat dissipation fan 5 and heat dissipation holes 6, the installation shell 3 is fixed on both sides of the transformer body 1, the installation frame 4 is connected to the outside of the installation shell 3 through the quick-mounting mechanism, the heat dissipation fan 5 is installed in the installation frame 4, the heat dissipation holes 6 are provided with a plurality of groups distributed on the outside of the installation shell 3, the quick-mounting mechanism comprises a plug rod 7, a fixing sleeve 8, a clamping groove 9, a sliding rod 10, a sliding block 11, a connecting plate 12, a contraction spring 13 and a clamping block 14, the plug rod 7 is fixed on the outside of the installation shell 3 and is inserted with the installation frame 4, the fixing sleeve 8 is inserted at the top end of the plug rod 7, the clamping groove 9 is provided with a plurality of groups distributed on the outer wall of the plug rod 7, the sliding rod 10 is provided with a plurality of groups sliding on the outer wall of the fixing sleeve 8, the sliding block 11 is installed at the top end of the plurality of groups of sliding rods 10, the connecting plate 12 is arranged on the outside of the plurality of groups of sliding blocks 11, the contraction spring 13 is connected to the inside of the plurality of groups of connecting plates 12 and is fixedly connected with the outer wall of the fixing sleeve 8, and the clamping block 14 is installed at the bottom end of the plurality of groups of sliding rods 10 and is clamped with the plurality of groups of clamping grooves 9 respectively.

[0030] The outer wall of the plug rod 7 is provided with a positioning groove 15, the inner wall of the fixing sleeve 8 is provided with a positioning strip 16, the positioning groove 15 and the positioning strip 16 are provided with a plurality of groups and are slidingly connected, the positioning strip 16 and the positioning groove 15 form a plurality of point sliding fit, and the positioning precision and anti-rotation function between the plug rod 7 and the fixing sleeve 8 are ensured.

[0031] The outside of the fixing sleeve 8 is provided with a quick-release mechanism, the quick-release mechanism comprises a sliding sleeve 17, a tension spring 18, an inclined groove 19, a let-in groove 20, a connecting sleeve 21, a limiting block 22, a limiting groove 23 and a limiting sleeve 24, the sliding sleeve 17 is slidingly arranged on the outer wall of the fixing sleeve 8, the two ends of the tension spring 18 are connected with the sliding sleeve 17 and the fixing sleeve 8 respectively, the inclined groove 19 is provided with a plurality of groups distributed on the outer wall of the sliding sleeve 17 and is slidingly connected with the plurality of groups of sliding blocks 11 respectively, the let-in groove 20 is arranged in the plurality of groups of inclined grooves 19, the connecting sleeve 21 is fixed on the bottom surface of the sliding sleeve 17, the limiting block 22 is provided with a plurality of groups sliding on the outer wall of the connecting sleeve 21, the limiting groove 23 is provided with a plurality of groups distributed on the outer wall of the fixing sleeve 8, and the limiting sleeve 24 is slidingly arranged on the outer wall of the fixing sleeve 8 and abuts against the top end of the plurality of groups of limiting blocks 22.

[0032] The top end of the limiting block 22 is connected with a reset spring 25, the bottom end of the plurality of groups of reset springs 25 is fixedly connected with the outer wall of the connecting sleeve 21, the reset spring 25 provides a reset force for the limiting block 22 through elastic deformation, so that the limiting block 22 can automatically return to the working position.

[0033] The inside of the limiting sleeve 24 is provided with a guide plate 26, the guide plate 26 is provided with a plurality of groups, the outer wall of the fixing sleeve 8 is provided with a guide groove 27, the guide groove 27 is provided with a plurality of groups and is slidingly connected with the plurality of groups of guide plates 26 respectively, and the guide plate 26 forms a sliding pair in the guide groove 27, so as to provide stable linear motion guide for the limiting sleeve 24.

[0034] The limiting sleeve 24 is provided below with a limiting mechanism, which comprises a supporting rod 28, a resisting block 29, a rotating sleeve 30, an unlocking slot 31, a limiting slot 32 and a limiting block 33. The supporting rod 28 is provided with a plurality of groups distributed on the bottom surface of the limiting sleeve 24. The resisting block 29 is installed at the bottom end of the plurality of supporting rods 28. The rotating sleeve 30 is rotatably installed on the outer wall of the fixing sleeve 8. The unlocking slot 31 is provided with a plurality of groups distributed on the top surface of the rotating sleeve 30. The limiting slot 32 is provided outside the plurality of unlocking slots 31. The limiting block 33 is installed on the outer wall of the plurality of supporting rods 28. The rotation of the rotating sleeve 30 drives the unlocking slot 31 to cooperate with the resisting block 29, and the cooperation of the limiting block 33 and the limiting slot 32 realizes the locking and unlocking of the limiting sleeve 24.

[0035] The outer wall of the fixing sleeve 8 is provided with a baffle 34, and the bottom surface of the rotating sleeve 30 is provided with an extrusion block 35. The baffle 34 and the extrusion block 35 are both provided with a plurality of groups and are respectively connected by extrusion springs 40. The extrusion springs 40 provide automatic reset force and rotation damping for the rotating sleeve 30 through the cooperation of the extrusion block 35 and the baffle 34.

[0036] The bottom surface of the limiting sleeve 24 is connected with a compression spring 36, which is provided with a plurality of groups. The compression spring 36 provides an upward elastic force for the limiting sleeve 24, ensuring that the limiting sleeve 24 can automatically return to the initial position.

[0037] In this embodiment, the transformer body 1 is cooled by the cooperation of the cooling fan 5 and the plurality of cooling holes 6. When it is necessary to disassemble the cooling fan 5, the plurality of unlocking slots 31 are moved below the plurality of resisting blocks 29 by rotating the rotating sleeve 30, which simultaneously drives the extrusion block 35 to compress the extrusion spring 40, pushes the limiting sleeve 24 to remove the abutment of the plurality of limiting blocks 22, and moves the plurality of supporting rods 28 in the unlocking slot 31. When the plurality of limiting blocks 33 pass through the unlocking slot 31, the rotating sleeve 30 is pushed to slide the plurality of supporting rods 28 in the limiting slot 32 through the reset of the extrusion spring 40. The limiting block 33 abuts against the bottom surface of the rotating sleeve 30, and the plurality of compression springs 36 are compressed. The plurality of reset springs 25 pull the limiting block 22 to separate from the limiting slot 23, remove the limiting of the sliding sleeve 17, pull the sliding sleeve 17 by the tension spring 18 to drive the plurality of sliding blocks 11 to slide along the inclined slot 19 and pull the clamping block 14 to separate from the clamping slot 9. The connecting plate 12 stretches the contraction spring 13, the plurality of clamping blocks 14 separate from the clamping slot 9, then the fixing sleeve 8 and the plug rod 7 are disassembled to remove the fixation of the mounting frame 4, and the disassembly of the cooling fan 5 is completed.

[0038] More specifically, when the heat dissipation fan 5 needs to be installed, the mounting frame 4 is inserted with the insertion rod 7, and then the fixing sleeve 8 is inserted with the insertion rod 7, and a plurality of positioning strips 16 are positioned and inserted with the positioning groove 15, the sliding sleeve 17 is pushed to stretch the tension spring 18, a plurality of sliding blocks 11 slide along the inclined groove 19 to pull the connecting plate 12 and the sliding block 11 inwards by a plurality of contraction springs 13, a plurality of sliding rods 10 push the clamping block 14 to be clamped in the clamping groove 9, the rotating sleeve 30 is rotated to make a plurality of supporting rods 28 slide into the unlocking groove 31, a plurality of compression springs 36 are reset to push the limiting sleeve 24 to abut against the top end of a plurality of limiting blocks 22, so that a plurality of limiting blocks 22 are clamped in the limiting groove 23 to limit the sliding sleeve 17, and after the blocking block is disengaged from the unlocking groove 31, a plurality of extrusion springs 40 push the rotating sleeve 30 to reset, so that the bottom end of the blocking block abuts against the top surface of the rotating sleeve 30 to limit the limiting sleeve 24. The fastening of the heat dissipation fan 5 is completed.

[0039] In summary, when the overall device is in use or operation: the heat dissipation fan 5 is used in cooperation with a plurality of heat dissipation holes 6 to dissipate heat from the transformer body 1, when the heat dissipation fan 5 needs to be disassembled, the rotating sleeve 30 is rotated to move a plurality of unlocking grooves 31 to below a plurality of abutting blocks 29, while driving the extrusion block 35 to compress the extrusion spring 40, pushing the limiting sleeve 24 to disengage from the abutting of the plurality of limiting blocks 22, while a plurality of supporting rods 28 move in the unlocking groove 31, when a plurality of limiting blocks 33 pass through the unlocking groove 31, the rotating sleeve 30 is reset by the extrusion spring 40 to slide a plurality of supporting rods 28 in the limiting groove 32, the limiting block 33 abuts against the bottom surface of the rotating sleeve 30, while compressing a plurality of compression springs 36, a plurality of reset springs 25 pull the limiting block 22 to disengage from the limiting groove 23, thereby releasing the limiting of the sliding sleeve 17, the sliding sleeve 17 is pulled by the tension spring 18 to drive a plurality of sliding blocks 11 to slide along the inclined groove 19 and pull the clamping block 14 to disengage from the clamping groove 9, while the connecting plate 12 stretches the contraction spring 13, a plurality of clamping blocks 14 disengage from the clamping groove 9, then the fixing sleeve 8 and the insertion rod 7 are disassembled, the fixing of the mounting frame 4 is released, and the disassembly of the heat dissipation fan 5 is completed.

[0040] When the heat dissipation fan 5 needs to be installed, the mounting frame 4 is inserted with the insertion rod 7, then the fixing sleeve 8 is inserted with the insertion rod 7, a plurality of positioning strips 16 are positioned and inserted with the positioning groove 15, the sliding sleeve 17 is pushed to stretch the tension spring 18, a plurality of sliding blocks 11 slide along the inclined groove 19 to pull the connecting plate 12 and the sliding block 11 to slide inwards through a plurality of contraction springs 13, a plurality of slide rods 10 push the clamping block 14 to be clamped in the clamping groove 9, the rotating sleeve 30 is rotated to make a plurality of supporting rods 28 slide into the unlocking groove 31, a plurality of compression springs 36 reset to push the limiting sleeve 24 to abut against the top end of a plurality of limiting blocks 22, so that a plurality of limiting blocks 22 are clamped in the limiting groove 23 to limit the sliding sleeve 17, after the blocking block is separated from the unlocking groove 31, a plurality of extrusion springs 40 push the rotating sleeve 30 to reset, so that the bottom end of a plurality of blocking blocks abuts against the top surface of the rotating sleeve 30 to limit the limiting sleeve 24, and the fastening of the heat dissipation fan 5 is completed.

[0041] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, and the above-mentioned solutions involving fixed connection are preferably considered to be welded. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A transformer coil with strong heat dissipation, comprising a transformer body (1) and a coil body (2), characterized in that: The coil body (2) is installed inside the transformer body (1). The transformer body (1) is provided with heat dissipation mechanisms on both sides. The heat dissipation mechanism includes a mounting shell (3), a mounting frame (4), a cooling fan (5), and heat dissipation holes (6). The mounting shell (3) is fixed to both sides of the transformer body (1). The mounting frame (4) is connected to the outside of the mounting shell (3) by a quick-installation mechanism. The cooling fan (5) is installed inside the mounting frame (4). Multiple sets of heat dissipation holes (6) are provided on the outside of the mounting shell (3). The quick-installation mechanism includes a plug rod (7), a fixing sleeve (8), a slot (9), a slide rod (10), a slider (11), and a connecting plate (12). A contraction spring (13) and a locking block (14) are provided. The insertion rod (7) is fixed on the outside of the mounting shell (3) and is inserted into the mounting frame (4). The fixing sleeve (8) is inserted into the top of the insertion rod (7). Multiple sets of slots (9) are provided on the outer wall of the insertion rod (7). Multiple sets of sliding rods (10) are provided on the outer wall of the fixing sleeve (8). The slider (11) is installed on the top of multiple sets of sliding rods (10). The connecting plate (12) is provided on the outside of multiple sets of sliders (11). The contraction spring (13) is connected to the inner side of multiple sets of connecting plates (12) and is fixedly connected to the outer wall of the fixing sleeve (8). The locking block (14) is installed at the bottom of multiple sets of sliding rods (10) and engages with multiple sets of slots (9).

2. The transformer coil with strong heat dissipation according to claim 1, characterized in that: The outer wall of the insertion rod (7) is provided with a positioning groove (15), and the inner wall of the fixing sleeve (8) is provided with a positioning strip (16). The positioning groove (15) and the positioning strip (16) are provided in multiple sets and are slidably connected.

3. A transformer coil with strong heat dissipation according to claim 2, characterized in that: The outer side of the fixed sleeve (8) is provided with a quick-release mechanism, which includes a sliding sleeve (17), a tension spring (18), a slanted groove (19), a clearance groove (20), a connecting sleeve (21), a limiting block (22), a limiting groove (23), and a limiting sleeve (24). The sliding sleeve (17) slides on the outer wall of the fixed sleeve (8), and the two ends of the tension spring (18) are respectively connected to the sliding sleeve (17) and the fixed sleeve (8). The slanted groove (19) is provided with multiple sets distributed on the sliding sleeve. (17) The outer wall is slidably connected to multiple sets of sliders (11), the clearance groove (20) is set in multiple sets of inclined grooves (19), the connecting sleeve (21) is fixed on the bottom surface of the sliding sleeve (17), the limiting block (22) is set in multiple sets and slides on the outer wall of the connecting sleeve (21), the limiting groove (23) is set in multiple sets and distributed on the outer wall of the fixed sleeve (8), and the limiting sleeve (24) slides on the outer wall of the fixed sleeve (8) and abuts against the top of multiple sets of limiting blocks (22).

4. A transformer coil with strong heat dissipation according to claim 3, characterized in that: Each of the limiting blocks (22) is connected to a reset spring (25) at its top end, and the bottom ends of the multiple sets of reset springs (25) are fixedly connected to the outer wall of the connecting sleeve (21).

5. A transformer coil with strong heat dissipation according to claim 4, characterized in that: The inner side of the limiting sleeve (24) is provided with a guide plate (26), and the guide plate (26) is provided in multiple sets. The outer wall of the fixing sleeve (8) is provided with a guide groove (27), and the guide groove (27) is provided in multiple sets and is slidably connected to multiple sets of guide plates (26).

6. A transformer coil with strong heat dissipation according to claim 5, characterized in that: A limiting mechanism is provided below the limiting sleeve (24). The limiting mechanism includes a support rod (28), a stop block (29), a rotating sleeve (30), an unlocking groove (31), a limiting groove (32), and a limiting block (33). Multiple sets of support rods (28) are distributed on the bottom surface of the limiting sleeve (24). The stop block (29) is installed at the bottom end of multiple sets of support rods (28). The rotating sleeve (30) is rotatably installed on the outer wall of the fixed sleeve (8). Multiple sets of unlocking grooves (31) are distributed on the top surface of the rotating sleeve (30). The limiting groove (32) is located outside the multiple sets of unlocking grooves (31). The limiting block (33) is installed on the outer wall of multiple sets of support rods (28).

7. A transformer coil with strong heat dissipation according to claim 6, characterized in that: The outer wall of the fixed sleeve (8) is provided with a baffle (34), and the bottom surface of the rotating sleeve (30) is provided with a pressing block (35). The baffle (34) and the pressing block (35) are provided with multiple sets and are respectively connected with pressing springs (40).

8. A transformer coil with strong heat dissipation according to claim 7, characterized in that: The bottom surface of the limiting sleeve (24) is connected to a compression spring (36), and multiple sets of the compression spring (36) are provided.

Images