Common mode inductor convenient to assemble

By designing structures such as magnetic rings, mounting blocks and slides in common mode inductors, and using spring reset and sliding to achieve limit fixation of the magnetic ring, the problem of low assembly efficiency of common mode inductors in the existing technology is solved and assembly stability is improved and productivity.

CN222338047UActive Publication Date: 2025-01-10NANJING YINGFA ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421059858.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-10
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The existing common mode inductors cannot be quickly mounted with the base during assembly, resulting in low installation efficiency and insufficient stability.

Method used

A structure including a base, a magnetic ring, a mounting block, a slider, a slider, a connecting block, a limit groove and a spring is designed. The magnetic ring is pressed down between the mounting blocks, and the spring reset and the sliding of the slider are used. The limit fixation of the magnetic ring is achieved, thereby completing quick assembly.

Benefits of technology

The rapid and stable assembly of common mode inductors is achieved, which improves production efficiency and reduces production costs.

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Abstract

The utility model relates to the technical field of common-mode inductors, and discloses a common-mode inductor convenient to assemble, which comprises a base, the top of the base is provided with a placing groove, the top of the placing groove is provided with a magnetic ring, the magnetic ring is sleeved with a wire winding, the front side and the rear side of the top of the base are fixedly connected with mounting blocks, and the mounting blocks are fixedly connected with the base. Sliding grooves are formed in the sides, far away from each other, of the two mounting blocks, first sliding blocks are slidably connected to the interiors of the sliding grooves, connecting blocks are fixedly connected to the bottoms of the first sliding blocks, second sliding blocks are fixedly connected to the bottoms of the connecting blocks, and limiting assemblies are fixedly connected to the bottoms of the second sliding blocks; and two sliding rods are fixedly connected to the sides, far away from each other, of the two connecting blocks, springs are arranged outside the sliding rods in a sleeving mode, and top pieces are fixedly connected to the outer portions of the springs. According to the utility model, the magnetic ring is pressed downwards between the mounting blocks, and the connecting block is reset through the spring after reaching a proper position, so that the inner ring of the magnetic ring is limited and fixed by the sliding block II.
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Description

Technical Field

[0001] The utility model relates to the technical field of common mode inductors, in particular to a common mode inductor which is easy to assemble. Background Art

[0002] Common-mode inductor is an inductor device used to suppress common-mode interference in circuits. Common-mode interference refers to the interference signal that acts simultaneously between the signal and the ground in the circuit. This interference may come from external electromagnetic fields, power supply noise or other interference sources, which will reduce the performance, stability and anti-interference ability of the circuit.

[0003] After searching, the announcement number CN211237908U includes a base, an inductor body installed on the top of the base, the inductor body includes a magnetic ring, a first cable winding is wound on one side of the magnetic ring, and a second cable winding is wound on the other side, two lead ends are respectively arranged on the first cable winding and the second cable winding, a first limiting groove is opened in the middle of the end face of the base, and the magnetic ring is in full contact with the surface of the first limiting groove, so that the magnetic ring can be limited and fixed, thereby improving stability, making the common-mode inductor not easy to deform, and can be used as a positioning reference for installation, thereby improving production efficiency. In addition, the setting of the first limiting groove can reduce the height of the inductor body relative to the base, and also reduce the materials used in producing the base, thereby reducing costs. Four positioning columns are arranged on the outer edge of the base, and the setting of the positioning columns can prevent the common-mode inductor from shaking after being plugged into the circuit board, thereby improving stability.

[0004] The above patent mentioned that "a second cable winding is wound on the other side, and two lead ends are respectively arranged on the first cable winding and the second cable winding. A first limiting groove is opened in the middle of the end face of the base, and the magnetic ring is in full contact with the surface of the first limiting groove, so that the magnetic ring can be limited and fixed, thereby improving stability and making the common-mode inductor not easy to deform. At the same time, it can be used as a positioning reference for installation to improve production efficiency. In addition, the setting of the first limiting groove can reduce the height of the inductor body relative to the base, and also reduce the material used in producing the base, thereby reducing costs. Four positioning columns are arranged on the outer edge of the base, and the setting of the positioning columns can avoid the common-mode inductor from shaking after being plugged into the circuit board, thereby improving stability." However, in the specific use process, when assembling the common-mode inductor, it is impossible to quickly engage and assemble the common-mode inductor and the base. Therefore, in response to the above problems, a common-mode inductor that is easy to assemble is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a common mode inductor that is easy to assemble, aiming to improve the problem in the prior art that the common mode inductor and the base cannot be quickly assembled by snapping.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a common-mode inductor that is easy to assemble, comprising a base, a placement groove is provided on the top of the base, a magnetic ring is arranged on the top of the placement groove, a wire winding is sleeved on the outside of the magnetic ring, mounting blocks are fixedly connected to the front and rear sides of the top of the base, a slide groove is provided on the far side of the two mounting blocks, a slider 1 is slidably connected inside the slide groove, a connecting block is fixedly connected to the bottom of the slider 1, a slider 2 is fixedly connected to the bottom of the connecting block, a limiting component is fixedly connected to the bottom of the slider 2, two sliding rods are fixedly connected to the far side of the two connecting blocks, a spring is sleeved on the outside of the sliding rod, and a top sheet is fixedly connected to the outside of the spring.

[0007] As a further description of the above technical solution:

[0008] The limiting assembly comprises a limiting groove, the outside of which is arranged inside the mounting block, and the inside of the limiting groove is slidably connected to the limiting block.

[0009] As a further description of the above technical solution:

[0010] The outer portion of the sliding block 1 is slidably connected to the inner portion of the mounting block, and the outer portion of the connecting block is slidably connected to the inner portion of the mounting block.

[0011] As a further description of the above technical solution:

[0012] The top of the limit block is fixedly connected to the bottom of the second sliding block, and the outside of the limit block is slidably connected to the inside of the mounting block.

[0013] As a further description of the above technical solution:

[0014] The outer portion of the sliding block 2 is slidably connected to the inner portion of the mounting block, and the outer portion of the sliding rod is slidably connected to the outer portion of the mounting block.

[0015] As a further description of the above technical solution:

[0016] One side of the spring is fixedly connected to the outside of the connecting block, and the other side of the spring is fixedly connected to the inside of the mounting block.

[0017] As a further description of the above technical solution:

[0018] The bottom of the sliding block 2 contacts the inside of the magnetic ring, and the four corners of the bottom of the base are fixedly connected with connecting rods.

[0019] The utility model has the following beneficial effects:

[0020] In the utility model, the magnetic ring is pressed down between the two mounting blocks, so that the connecting block is reset by the spring after reaching the appropriate position, and then the connecting block is pushed up to drive the two sliders to limit and fix the inner ring of the magnetic ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional diagram of a common-mode inductor that is easy to assemble proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of a connecting rod structure of a common mode inductor that is easy to assemble proposed by the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of a slider 2 of a common mode inductor that is easy to assemble proposed by the utility model;

[0024] Figure 4 The utility model provides a schematic diagram of a mounting block structure of a common mode inductor which is easy to assemble.

[0025] Legend:

[0026] 1. Base; 2. Placement slot; 3. Magnetic ring; 4. Wire winding; 5. Mounting block; 6. Slide slot; 7. Slider 1; 8. Connecting block; 9. Slider 2; 10. Limit block; 11. Limit slot; 12. Sliding rod; 13. Spring; 14. Top plate; 15. Connecting rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figure 2 - Figure 4 As shown, the utility model provides an embodiment: a common-mode inductor that is easy to assemble, including a base 1, the base 1 is used to open a placement slot 2, the top of the base 1 is provided with a placement slot 2, the placement slot 2 is used to install and fix a magnetic ring 3, the top of the placement slot 2 is provided with a magnetic ring 3, the magnetic ring 3 is used to cooperate with a wire winding 4 for winding operation, the outer sleeve of the magnetic ring 3 is provided with a wire winding 4, and the top of the base 1 is fixedly connected with a mounting block 5 on both the front and rear sides, and the mounting block 5 is used to open a slide slot 6.

[0029] Reference Figure 1 - Figure 3As shown, a slide groove 6 is provided on the far side of the two mounting blocks 5. The slide groove 6 is for allowing a slider 7 to slide. The slide groove 6 is internally slidably connected to a slider 7. The slider 7 is for connecting a connecting block 8. The slider 7 is externally slidably connected to the inside of the mounting block 5. The connecting block 8 is externally slidably connected to the inside of the mounting block 5. The bottom of the slider 7 is fixedly connected to a connecting block 8. The connecting block 8 is for connecting the connecting block 8. The bottom of the connecting block 8 is fixedly connected to a slider 2 9. The slider 2 9 is for sliding with the limit block 10 and at the same time fixing the magnetic ring 3. The slider 2 9 is externally slidably connected to the inside of the mounting block 5. The slide rod 12 is externally slidably connected to the outside of the mounting block 5. The bottom of the slider 2 9 is fixedly connected to a limit assembly.

[0030] Reference Figure 1 - Figure 3 As shown, the limit assembly includes a limit groove 11, the limit groove 11 is for allowing the limit block 10 to slide inside, the outside of the limit groove 11 is opened inside the mounting block 5, the inside of the limit groove 11 is slidably connected to the limit block 10, the limit block 10 is for connecting and limiting the slider 2 9, the top of the limit block 10 is fixedly connected to the bottom of the slider 2 9, the outside of the limit block 10 is slidably connected to the inside of the mounting block 5, and the far sides of the two connecting blocks 8 are fixedly connected with two sliding rods 12, the sliding rods 12 are for preventing the spring 13 from deforming, and the sliding A spring 13 is sleeved on the outside of the rod 12. The spring 13 is used to push the connecting block 8 so that the connecting block 8 is reset and then drives the slider 29 to install and limit the magnetic ring 3. One side of the spring 13 is fixedly connected to the outside of the connecting block 8, and the other side of the spring 13 is fixedly connected to the inside of the mounting block 5. The outside of the spring 13 is fixedly connected to a top plate 14. The top plate 14 is used to prevent the slide rod 12 from sliding into the inside of the mounting block 5. The bottom of the slider 29 is in contact with the inside of the magnetic ring 3. The four corners of the bottom of the base 1 are fixedly connected to connecting rods 15.

[0031] Working principle: When installing the base 1, the staff first aligns the magnetic ring 3 with the placement groove 2 and presses it toward the base 1, so that the front and rear sides of the magnetic ring 3 slide between the two connecting blocks 8, and then when the magnetic ring 3 initially contacts the connecting block 8, the connecting block 8 cooperates with the slider 1 7 to slide inside the slide groove 6, and then, when pressing downward synchronously, the slider 2 9 cooperates with the limit block 10 to slide synchronously inside the limit groove 11, and then when the bottom of the magnetic ring 3 is completely fitted with the placement groove 2, the connecting block 8 is pushed up by the slide rod 12 and the spring 13, so that the connecting block 8 cooperates with the slider 1 7 and the slider 2 9 to slide, and then the bottom of the slider 2 9 is engaged with the inner circle of the magnetic ring 3, and then the quick assembly of the common mode inductor is completed.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A common mode inductor that is easy to assemble, comprising a base (1), characterized in that: The top of the base (1) is provided with a placement groove (2), the top of the placement groove (2) is provided with a magnetic ring (3), the outer sleeve of the magnetic ring (3) is provided with a wire winding (4), the front and rear sides of the top of the base (1) are fixedly connected with mounting blocks (5), the far sides of the two mounting blocks (5) are provided with sliding grooves (6), the inside of the sliding grooves (6) is slidably connected with a slider (7), the bottom of the slider (7) is fixedly connected with a connecting block (8), the bottom of the connecting block (8) is fixedly connected with a slider (9), the bottom of the slider (9) is fixedly connected with a limiting component, the far sides of the two connecting blocks (8) are fixedly connected with two sliding rods (12), the outer sleeve of the sliding rod (12) is provided with a spring (13), and the outer side of the spring (13) is fixedly connected with a top plate (14).

2. The common mode inductor that is easy to assemble according to claim 1, characterized in that: The limiting assembly comprises a limiting groove (11), the outside of the limiting groove (11) is opened inside the mounting block (5), and the inside of the limiting groove (11) is slidably connected to the limiting block (10).

3. The common mode inductor that is easy to assemble according to claim 1, characterized in that: The outside of the sliding block (7) is slidably connected to the inside of the mounting block (5), and the outside of the connecting block (8) is slidably connected to the inside of the mounting block (5).

4. The common mode inductor that is easy to assemble according to claim 2, characterized in that: The top of the limit block (10) is fixedly connected to the bottom of the second sliding block (9), and the outside of the limit block (10) is slidably connected to the inside of the mounting block (5).

5. The common mode inductor that is easy to assemble according to claim 1, characterized in that: The outside of the sliding block 2 (9) is slidably connected to the inside of the mounting block (5), and the outside of the sliding rod (12) is slidably connected to the outside of the mounting block (5).

6. The common mode inductor that is easy to assemble according to claim 1, characterized in that: One side of the spring (13) is fixedly connected to the outside of the connecting block (8), and the other side of the spring (13) is fixedly connected to the inside of the mounting block (5).

7. The common mode inductor that is easy to assemble according to claim 1, characterized in that: The bottom of the second sliding block (9) contacts the inside of the magnetic ring (3), and the four corners of the bottom of the base (1) are fixedly connected with connecting rods (15).

Citation Information

Patent Citations

  • Common-mode inductor convenient to assemble and not prone to deformation

    CN211237908U