Anti-interference magnetic ring mounting structure

Abstract

The utility model belongs to the technical field of anti-interference of electrical equipment, and particularly relates to an anti-interference magnetic ring mounting structure. A first screw column (3) is arranged on one side of the first protective plate (1), a first screw column first internal thread (4) and a first screw column second internal thread (5) are arranged in the first screw column (3), a second screw column (6) is arranged on one side of the second protective plate (2), a second screw column first internal thread (7) is arranged in the second screw column (6), and a second screw column first external thread (9) is arranged outside a front end convex part (8) of the second screw column (6). And a second internal thread (10) of the second screw column is arranged in the front end convex part (8). The anti-interference magnetic ring installation structure has the advantages of being flexible in fixing direction, small in overall size, capable of saving arrangement space, convenient and reliable to install, free of limiting the number of winding turns, suitable for various cable diameters and capable of flexibly adjusting the wire outlet position, and meets the actual use requirements of electrical equipment.

Description

Technical Field

[0001] The utility model belongs to the technical field of anti-interference of electrical equipment, and more specifically relates to an anti-interference magnetic ring installation structure. Background Art

[0002] When designing electromagnetic compatibility for electrical equipment, anti-interference magnetic rings are usually used to absorb and suppress harmful electromagnetic energy from propagating along the cable, thereby improving the stability and reliability of the system. Anti-interference magnetic rings are commonly found in power lines and signal lines. To increase the anti-interference effect, on the one hand, it is hoped that the size of the anti-interference magnetic ring is large enough; on the other hand, it is often hoped that the cable is fully wound around the magnetic ring, the number of winding turns is increased as much as possible, and the cable needs to be wound tightly to avoid magnetic leakage. The above design requirements will bring the following engineering problems: 1. The larger size of the anti-interference magnetic ring brings difficulties to installation and space utilization. In a vibration environment, the anti-interference magnetic ring needs to be effectively fixed and protected. 2. Conventional fixing and clamping solutions will occupy a certain cross-section of the magnetic ring, thereby limiting the number of winding turns. In practice, special requirements are put forward for anti-interference: 1. For similar anti-interference magnetic rings widely distributed throughout the equipment, a structural fixing solution is required in engineering, which can be flexibly applied to various installation positions, save fixed space, and be flexible and simple to install and switch. 2. The fixing solution of the anti-interference magnetic ring needs to adapt to different cable diameters, and the outlet position can be flexibly adjusted. Therefore, the solutions in the prior art cannot meet the actual needs.

[0003] In the prior art, there is a technology named "a detachable anti-interference magnetic ring" and the publication number is "CN214338438U". This technology belongs to the field of anti-interference magnetic ring technology, specifically a detachable anti-interference magnetic ring, including an anti-interference magnetic ring body, a cable and a cable fixing device, the middle of the anti-interference magnetic ring body is connected with a cable, the inner side of the anti-interference magnetic ring body is provided with a magnetic core, the middle of the rear end of the anti-interference magnetic ring body is connected with a movable shaft, the front middle upper end and lower end of the anti-interference magnetic ring body are fixed with positioning columns and extended positioning slots, the top of the positioning column is fixed with an extended positioning column, the inner side of the extended positioning column is provided with an extended positioning warhead, the bottom of the anti-interference magnetic ring body is fixed with a fixed column, the bottom of the fixed column is provided with a telescopic sleeve, the bottom of the telescopic sleeve is provided with a cable fixing device, the positioning and fixing correspond to each other, the installation strength is high, the problem of looseness caused by the existing buckle is avoided, the disassembly and installation are convenient, the winding and fixing are convenient, and the disorder is avoided, and the practicability is strong. However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content

[0004] The technical problem to be solved by the present utility model is: in view of the deficiencies of the prior art, to provide an anti-interference magnetic ring installation structure with a simple structure, flexible fixed direction, small overall size, space-saving layout, convenient and reliable installation, no limitation on the number of winding turns, applicable to various cable diameters, and flexible adjustment of the wire outlet position, effectively meeting the actual use requirements of electrical equipment.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present utility model is as follows:

[0006] The present utility model is an anti-interference magnetic ring installation structure, including a first protective plate and a second protective plate. A first screw column is arranged on one side of the first protective plate. The first screw column internally has a first internal thread of the first screw column and a second internal thread of the first screw column. A second screw column is arranged on one side of the second protective plate. The second screw column internally has a first internal thread of the second screw column, and a first external thread of the second screw column is arranged on the outside of the front convex part of the second screw column, and a second internal thread of the second screw column is arranged inside the front convex part.

[0007] The first screw column and the second screw column of the second protective plate form a central axis. The anti-interference magnetic ring is sleeved on the central axis. The first protective plate and the second protective plate are connected to a bracket. The bracket is a plate structure or the bracket is in a U-shaped structure.

[0008] When the bracket is in a U-shaped structure, the bracket includes a bottom plate, a first side plate and a second side plate. One screw passes through the first side plate and is connected to the first protective plate, and the other screw passes through the second side plate and is connected to the second protective plate.

[0009] One screw passes through the second internal thread of the first screw column of the first screw column through the first side plate, and the other screw passes through the first internal thread of the second screw column and the second internal thread of the second screw column of the second side plate.

[0010] The front convex part of the second screw column is screwed and connected to the first internal thread of the first screw column of the first screw column through the first external thread of the second screw column.

[0011] A winding cable is arranged on the anti-interference magnetic ring.

[0012] The first protective plate is a disc structure. A plurality of first openings are arranged in a circle along the position near the outer edge of the first protective plate. The second protective plate is a disc structure. A plurality of second openings are arranged in a circle along the position near the outer edge of the second protective plate.

[0013] The bracket is an integral structure and is made of a metal material; both the first protective plate and the second protective plate are made of a plastic material.

[0014] Mounting holes are arranged on the bottom plate of the bracket, a first through hole is arranged on the first side plate, and a second through hole is arranged on the second side plate.

[0015] A first countersunk hole with a depression is provided on the outer side of the first guard plate, and a second countersunk hole with a depression is provided on the outer side of the second guard plate.

[0016] The working principle and beneficial effects of adopting the technical solution of the present utility model are as described below:

[0017] For the anti-interference magnetic ring installation structure of the present utility model, a first guard plate and a second guard plate are provided, and the structures of the first guard plate and the second guard plate are respectively set. A first screw post is provided on one side of the first guard plate, and a first internal thread and a second internal thread of the first screw post are provided inside the first screw post. A second screw post is provided on one side of the second guard plate, a first internal thread of the second screw post is provided inside the second screw post, a first external thread of the second screw post is provided on the outside of the front convex part of the second screw post, and a second internal thread of the second screw post is provided inside the front convex part. In this way, when setting the structure, the first screw post of the first guard plate and the second screw post of the second guard plate are respectively passed through the central hole of the anti-interference magnetic ring around which the cable has been wound, and are screwed and connected through the first internal thread of the first screw post and the first internal thread of the second screw post. The first guard plate and the second guard plate clamp and fix the anti-interference magnetic ring on both sides. A longer screw is used to pass through the first guard plate and the second guard plate to realize reliable and convenient installation of the anti-interference magnetic ring. This installation structure does not restrict the number of turns and wire diameter of the wound cable. During specific implementation, the number of turns and wire diameter of the wound cable can be set according to actual needs and the size of the magnetic ring itself. Moreover, the anti-interference magnetic ring can rotate freely relative to the first guard plate and the second guard plate, and the wire outlet position can be flexibly adjusted with the rotation. Because the external dimensions of the first guard plate and the second guard plate only slightly increase relative to the anti-interference magnetic ring, the overall size is small, and the installation space can be saved. The above technical solution has the following beneficial effects: 1. The first guard plate and the second guard plate are fixed by passing their respective screw posts through the central hole of the anti-interference magnetic ring and clamping on both sides, so that the cable can be wound around the anti-interference magnetic ring without restriction, meeting the requirements of different winding turns. 2. It meets the vibration requirements and can ensure safe and reliable use in a vibration environment. 3. The overall size is small, saving installation space. 4. Two fixing methods of horizontal installation and vertical installation are realized. 5. The anti-interference magnetic ring can rotate freely around the central axis formed by the first screw post and the second screw post, and the wire outlet position can be flexibly adjusted with the rotation later. 6. It is compatible with various wire diameters of winding, and can be flexibly adjusted by adjusting the fixed distance between the first guard plate and the second guard plate. Description of the Drawings

[0018] The following briefly describes the content expressed by each drawing in this specification and the marks in the drawings:

[0019] Figure 1 It is a schematic structural diagram when the anti-interference magnetic ring installation structure of the present utility model is horizontally arranged;

[0020] Figure 2Schematic cross-sectional view of the anti-interference magnetic ring mounting structure of the present utility model when horizontally arranged;

[0021] Figure 3 Axonometric view structure diagram of the anti-interference magnetic ring mounting structure of the present utility model when vertically arranged;

[0022] Figure 4 Front view structure diagram of the anti-interference magnetic ring mounting structure of the present utility model when vertically arranged;

[0023] Figure 5 Side view structure diagram of the anti-interference magnetic ring mounting structure of the present utility model when vertically arranged;

[0024] Figure 6 Structure diagram of the first protective plate of the anti-interference magnetic ring mounting structure of the present utility model;

[0025] Figure 7 Structure diagram of the second protective plate of the anti-interference magnetic ring mounting structure of the present utility model;

[0026] Figure 8 Structure diagram of the bracket of the anti-interference magnetic ring mounting structure of the present utility model;

[0027] Figure 9 Cross-sectional structure diagram of the first protective plate and the second protective plate of the anti-interference magnetic ring mounting structure of the present utility model;

[0028] The reference numerals in the drawings are respectively: 1, first protective plate; 2, second protective plate; 3, first screw post; 4, first internal thread of the first screw post; 5, second internal thread of the first screw post; 6, second screw post; 7, first internal thread of the second screw post; 8, front end convex part; 9, first external thread of the second screw post; 10, second internal thread of the second screw post; 11, anti-interference magnetic ring; 12, bracket; 13, bottom plate; 14, first side plate; 15, second side plate; 16, screw; 17, wound cable; 18, first opening; 19, second opening; 20, first through hole; 21, second through hole; 22, first countersunk hole; 23, second countersunk hole; 24,; 25,. Detailed implementation manners

[0029] The following is a further detailed description of the specific implementation manners of the present utility model, such as the shapes, structures, mutual positions and connection relationships of the various components involved, the functions of the various parts and the working principles, etc., with reference to the drawings:

[0030] As shown in the attached Figure 1 - attached Figure 9As shown in the figure, the utility model relates to an anti-interference magnetic ring installation structure, which includes a first guard plate 1 and a second guard plate 2. On one side of the first guard plate 1, a first screw post 3 is provided. Inside the first screw post 3, a first internal thread 4 and a second internal thread 5 of the first screw post are provided. On one side of the second guard plate 2, a second screw post 6 is provided. Inside the second screw post 6, a first internal thread 7 of the second screw post is provided. Outside the front convex part 8 of the second screw post 6, a first external thread 9 of the second screw post is provided. Inside the front convex part 8, a second internal thread 10 of the second screw post is provided. For the deficiencies in the prior art, the above structure proposes an improved technical solution. The first guard plate 1 and the second guard plate 2 are provided, and the structures of the first guard plate and the second guard plate are respectively set. On one side of the first guard plate 1, a first screw post 3 is provided. Inside the first screw post 3, a first internal thread 4 and a second internal thread 5 of the first screw post are provided. On one side of the second guard plate 2, a second screw post 6 is provided. Inside the second screw post 6, a first internal thread 7 of the second screw post is provided. Outside the front convex part 8 of the second screw post 6, a first external thread 9 of the second screw post is provided. Inside the front convex part 8, a second internal thread 10 of the second screw post is provided. In this way, when setting the structure, the first screw post 3 of the first guard plate 1 and the second screw post 6 of the second guard plate 2 are respectively passed through the central holes of the anti-interference magnetic ring 11 around which the winding cable 17 has been wound, and are screwed and connected through the first internal thread 4 of the first screw post and the first external thread 9 of the second screw post. The first guard plate and the second guard plate clamp and fix the anti-interference magnetic ring 11 on both sides. A longer screw 16 is used to pass through the first guard plate 1 and the second guard plate 2 to realize the reliable and convenient installation of the anti-interference magnetic ring 11. This installation structure does not restrict the number of turns and wire diameter of the winding cable 17. During specific implementation, the number of turns and wire diameter of the winding cable 17 can be set according to actual needs and the size of the magnetic ring itself. Moreover, the anti-interference magnetic ring 11 can rotate freely relative to the first guard plate 1 and the second guard plate 2, and the wire outlet position can be flexibly adjusted with the rotation. Because the external dimensions of the first guard plate 1 and the second guard plate 2 only increase slightly relative to the anti-interference magnetic ring 11, the overall size is small, and the installation space can be saved. The above technical solution has the following beneficial effects: 1. The first guard plate and the second guard plate are fixed by passing their respective screw posts through the central holes of the anti-interference magnetic ring 11 and clamping on both sides, so that the cable can be wound around the anti-interference magnetic ring without restriction, meeting the requirements of different winding turns. 2. It meets the vibration requirements and can ensure safe and reliable use in a vibration environment. 3. The overall size is small, saving the installation space. 4. Two fixing methods of horizontal installation and vertical installation are realized. 5. The anti-interference magnetic ring 11 can rotate freely around the central axis formed by the first screw post and the second screw post, and the wire outlet position can be flexibly adjusted later with the rotation. 6. It is compatible with various wire diameters of winding, and can be flexibly adjusted by adjusting the fixed distance between the first guard plate 1 and the second guard plate 2.The anti-interference magnetic ring installation structure described in the present utility model has a simple structure, with flexible fixing direction, small overall size, saving layout space, convenient and reliable installation, no limitation on the number of winding turns, applicable to various cable diameters, and flexible adjustment of the wire outlet position, effectively meeting the actual use requirements of electrical equipment.

[0031] The first screw post 3 of the first guard plate 1 and the second screw post 6 of the second guard plate 2 form a central axis. The anti-interference magnetic ring 11 is sleeved on the central axis. The first guard plate 1 and the second guard plate 2 are connected to the bracket 12. The bracket 12 is a plate structure or the bracket 12 is in a U-shaped structure. With the above structure, through the different structures of the bracket 12, the anti-interference magnetic ring 11 can be horizontally installed or vertically installed to meet the requirements of different occasions. When horizontal installation is required, a bracket 12 with a flat structure is set, and the screw 16 passes through the first guard plate 1 and the second guard plate 2 from top to bottom to connect the bracket 12, realizing the horizontal fixed installation of the anti-interference magnetic ring 11. When the anti-interference magnetic ring 11 needs to be vertically installed, the bracket 12 is selected as a vertically installed bracket, that is, the bracket 12 is in a U-shaped structure. When vertically installed, one screw 16 passes through one side of the bracket 12 and is connected to the first guard plate 1, and the other screw 16 passes through the other side of the bracket 12 and is connected to the second guard plate 2. The bottom of the bracket 12 is fixed to realize vertical installation. When the interference magnetic ring 11 is horizontally arranged, the first guard plate is the upper guard plate, and the second guard plate is the lower guard plate. When the interference magnetic ring 11 is vertically arranged, the first guard plate is the left guard plate, and the second guard plate is the right guard plate.

[0032] When the bracket 12 is in a U-shaped structure, the bracket 12 includes a bottom plate 13, a first side plate 14, and a second side plate 15. One screw 16 passes through the first side plate 14 and is connected to the first guard plate 1, and the other screw passes through the second side plate 15 and is connected to the second guard plate 2. With the above structure, for vertical installation, two screws 16 are required. Each screw 16 passes through one side of the bracket 12 and is connected to a corresponding guard plate. One screw 16 passes through the first side plate 14 and the first screw post second internal thread 5 of the first screw post 3, and the other screw 16 passes through the second side plate 15, the first internal thread 7 of the second screw post of the second screw post 6, and the second internal thread 10 of the second screw post.

[0033] The front convex part 8 of the second screw post 6 is screwed and connected to the first screw post first internal thread 4 of the first screw post 3 through the first external thread 9 of the second screw post. With the above structure, the second screw post 6 and the first screw post 3 are screwed together to ensure the connection between the first guard plate and the second guard plate.

[0034] A winding cable 17 is arranged on the anti-interference magnetic ring 11. With the above structure, the winding cable 17 is arranged on the anti-interference magnetic ring 11, and the number of turns of the winding cable can be set as required.

[0035] The first guard plate 1 is of a disc structure. A plurality of first openings 18 are arranged in a circle along the position near the outer edge of the first guard plate 1. The second guard plate 2 is of a disc structure. A plurality of second openings 19 are arranged in a circle along the position near the outer edge of the second guard plate 2. In the above structure, the first opening 18 is a fixing hole for the cable to pass through and be positioned on the first guard plate. The second opening 19 is a fixing hole for the cable to pass through and be positioned on the second guard plate.

[0036] The bracket 12 is of an integral structure and is made of a metal material; both the first guard plate 1 and the second guard plate 2 are made of a plastic material. In the above structure, the first guard plate 1 preferably but not limited to choosing a plastic material is convenient for mold forming. The outer circle of the first guard plate is designed with knurling to facilitate manual tightening of the first guard plate 1. The second guard plate 2 preferably but not limited to choosing a plastic material is convenient for mold forming. The outer circle of the second guard plate 2 is also designed with knurling to facilitate manual tightening of the second guard plate 2.

[0037] Mounting holes are provided on the bottom plate 13 of the bracket 11, a first through hole 20 is provided on the first side plate 14, and a second through hole 21 is provided on the second side plate 15. In the above structure, the first through hole 20 on the first side plate 14 is for a screw 16 to pass through to realize the connection between the screw 16 and the first screw column 3. The second through hole 21 on the second side plate 15 is for another screw 16 to pass through to realize the connection between the screw 16 and the second screw column 6, ensuring the reliable connection of the anti-interference magnetic ring 11.

[0038] A first recessed counterbore 22 is provided on the outer side of the first guard plate 1, and a second recessed counterbore 23 is provided on the outer side of the second guard plate 2. In the above structure, when the anti-interference magnetic ring 11 is horizontally arranged, the first recessed counterbore 22 is used to accommodate the end of the screw to avoid protruding outside and occupying space.

[0039] The anti-interference magnetic ring installation structure described in the utility model is provided with a first guard plate 1 and a second guard plate 2, and the structures of the first guard plate and the second guard plate are respectively provided, a first screw column 3 is provided on one side of the first guard plate 1, and a first internal thread 4 of the first screw column and a second internal thread 5 of the first screw column are provided inside the first screw column 3, a second screw column 6 is provided on one side of the second guard plate 2, and a first internal thread 7 of the second screw column is provided inside the second screw column 6, a first external thread 9 of the second screw column is provided outside the front end protrusion 8 of the second screw column 6, and a second internal thread 10 of the second screw column is provided inside the front end protrusion 8. In this way, when the structure is set, the first screw column 3 of the first guard plate 1 and the second screw column 6 of the second guard plate 2 are respectively passed through the center hole of the anti-interference magnetic ring 11 that has been wound with the cable 17, and the first internal thread 4 of the first screw column and the first internal thread 7 of the second screw column are screwed and connected, and the first guard plate and the second guard plate are clamped and fixed on both sides of the anti-interference magnetic ring 11, and a longer screw 4 is used to pass through the first guard plate 1 and the second guard plate 2, so as to realize the reliable and convenient installation of the anti-interference magnetic ring 11. This installation structure will not restrict the number of turns and wire diameter of the winding cable 17. When it is implemented, the number of turns and wire diameter of the winding cable 17 can be set according to actual needs and the size of the magnetic ring itself, and the anti-interference magnetic ring 11 can be freely rotated relative to the first guard plate 1 and the second guard plate 2, and the outlet position can be flexibly adjusted with the rotation. Because the outer dimensions of the first guard plate 1 and the second guard plate 2 are only slightly increased relative to the anti-interference magnetic ring 11, the overall size is small, which can save installation space. The adoption of the above technical solution has the following beneficial effects: 1. The first guard plate and the second guard plate are fixed by their respective screw columns passing through the center hole of the anti-interference magnetic ring 11 and clamped on both sides, so that the cable can be fully wound around the anti-interference magnetic ring without restriction to meet the needs of different winding turns. 2. Meet the vibration requirements and ensure safe and reliable use in a vibration environment. 3. The overall size is small, saving installation space. 4. Two fixing methods of horizontal installation and vertical installation are realized. 5. The anti-interference magnetic ring 11 can rotate freely around the central axis formed by the first screw column 3 and the second screw column 6, and the outlet position can be flexibly adjusted with the rotation later. 6. Compatible with a variety of winding wire diameters, it can be flexibly adjusted by adjusting the fixed spacing of the first guard plate 1 and the second guard plate 2.

[0040] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An anti-interference magnetic ring installation structure, characterized in that: The invention comprises a first protective plate (1) and a second protective plate (2), wherein a first screw column (3) is arranged on one side of the first protective plate (1), a first internal thread (4) of the first screw column and a second internal thread (5) of the first screw column are arranged inside the first screw column (3), a second screw column (6) is arranged on one side of the second protective plate (2), a first internal thread (7) of the second screw column is arranged inside the second screw column (6), a first external thread (9) of the second screw column is arranged outside the front end protrusion (8) of the second screw column (6), and a second internal thread (10) of the second screw column is arranged inside the front end protrusion (8).

2. The anti-interference magnetic ring installation structure according to claim 1, characterized in that: The first screw column (3) of the first guard plate (1) and the second screw column (6) of the second guard plate (2) form a central axis, the anti-interference magnetic ring (11) is sleeved on the central axis, the first guard plate (1) and the second guard plate (2) are connected to a bracket (12), and the bracket (12) is a plate structure, or the bracket (12) is a U-shaped structure.

3. The anti-interference magnetic ring installation structure according to claim 2 is characterized in that: When the bracket (12) is in a U-shaped structure, the bracket (12) comprises a bottom plate (13), a first side plate (14) and a second side plate (15); a screw rod (16) passes through the first side plate (14) and is connected to the first guard plate (1); and another screw rod passes through the second side plate (15) and is connected to the second guard plate (2).

4. The anti-interference magnetic ring installation structure according to claim 3 is characterized in that: One screw rod (16) passes through the first side plate (14), the first screw column second internal thread (5) of the first screw column (3), and another screw rod (16) passes through the second side plate (15), the second screw column first internal thread (7) of the second screw column (6), and the second screw column second internal thread (10).

5. The anti-interference magnetic ring installation structure according to claim 4, characterized in that: The front end protrusion (8) of the second screw column (6) is screwed and connected to the first internal thread (4) of the first screw column (3) through the first external thread (9) of the second screw column.

6. The anti-interference magnetic ring installation structure according to claim 1 or 2, characterized in that: A winding cable (17) is arranged on the anti-interference magnetic ring (11).

7. The anti-interference magnetic ring installation structure according to claim 1 or 2, characterized in that: The first guard plate (1) is a disc structure, and a plurality of first openings (18) are arranged along a circle near the edge of the outer ring of the first guard plate (1); the second guard plate (2) is a disc structure, and a plurality of second openings (19) are arranged along a circle near the edge of the outer ring of the second guard plate (2).

8. The anti-interference magnetic ring installation structure according to claim 2, characterized in that: The bracket (12) is an integrated structure, and the bracket (12) is a structure made of metal material; the first guard plate (1) and the second guard plate (2) are both structures made of plastic material.

9. The anti-interference magnetic ring installation structure according to claim 3, characterized in that: A mounting hole is arranged on the bottom plate (13) of the bracket (12), a first through hole (20) is arranged on the first side plate (14), and a second through hole (21) is arranged on the second side plate (15).

10. The anti-interference magnetic ring installation structure according to claim 1 or 2, characterized in that: A first recessed countersunk hole (22) is arranged on the outer side of the first guard plate (1), and a second recessed countersunk hole (23) is arranged on the outer side of the second guard plate (2).

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