Anti-vibration common mode inductor

Abstract

The utility model discloses an anti-vibration common mode inductor, which relates to the technical field of inductors and comprises a mounting seat, and an auxiliary component is arranged on the surface of the mounting seat. A fixing column arranged at the bottom end of the mounting base is arranged in the auxiliary assembly, and a plurality of positioning holes are annularly formed in the surface of the fixing column at equal intervals. A first sliding groove is formed in the bottom end of the mounting base, a first sliding block is slidably connected into the first sliding groove, and a mounting rod is connected to the bottom end of the first sliding block; and one side of the mounting rod is connected with a connecting block, a spring is arranged in the connecting block, and one side of the spring is connected with a moving plate. According to the utility model, the common-mode inductor, the printed board and the like can be directly installed through the auxiliary assembly to form a whole, so that the common-mode inductor and the printed board can vibrate together in a vibration environment, the phenomenon that one end of a winding is broken is avoided, and meanwhile, the installation rod can be adjusted through the auxiliary assembly; therefore, the mounting rod can be moved to a proper position for mounting according to different printed boards, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of inductors, in particular to a vibration-resistant common-mode inductor. Background Art

[0002] Common-mode inductors, also called common-mode chokes, are often used in computer switching power supplies to filter common-mode electromagnetic interference signals. In board design, common-mode inductors also act as EMI filters to suppress the outward radiation of electromagnetic waves generated by high-speed signal lines.

[0003] Currently in power supply filters, a magnetic core is usually wound with wire to form an inductor, and then the leads of the inductor are welded to a printed circuit board. Since the weight of the magnetic core is heavier than the weight of the winding, the vibration amplitudes of the two are different, and one end of the winding is connected to the printed circuit board, it is easy for one end of the winding to break, thus affecting the subsequent normal use of the common-mode inductor. Utility Model Content

[0004] The utility model provides a vibration-resistant common-mode inductor. Through auxiliary components, the common-mode inductor can be directly installed with a printed circuit board, etc., so that they form a whole, so that they can vibrate together in a vibration environment, avoiding the phenomenon of one end of the winding wire being broken. At the same time, the mounting rod can be adjusted through the auxiliary components, so that the mounting rod can be moved to a suitable position for installation according to different printed circuit boards, which is easy to use. In summary, the problems in the background technology are solved.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A vibration-resistant common-mode inductor comprises a mounting seat, a surface of which is provided with an auxiliary component;

[0007] The auxiliary component includes a fixing column arranged at the bottom end of the mounting seat, and a plurality of positioning holes are formed in an annular manner and at equal intervals on the surface of the fixing column;

[0008] A first sliding groove is provided at the bottom end of the mounting seat, and a first sliding block is slidably connected inside the first sliding groove, and a mounting rod is connected to the bottom end of the first sliding block.

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

[0010] One side of the mounting rod is connected with a connecting block, and a spring is arranged inside the connecting block; one side of the spring is connected with a moving plate, and one side of the moving plate is provided with a positioning rod connected with the positioning hole.

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

[0012] The interior of the auxiliary component also includes two horizontal plates arranged on the surface of the mounting seat, and a magnetic core tube is arranged between the horizontal plates, the surface of the horizontal plate is symmetrically provided with a first fixing hole, and the bottom end of the horizontal plate is symmetrically provided with a limiting rod, the top of the mounting seat is symmetrically provided with a limiting hole connected with the limiting rod, and the surface of the mounting seat is symmetrically provided with a second fixing hole, the top of the mounting seat is symmetrically provided with a fixing plate, and the fixing plates are rotatably connected with a screw rod, the surface of the screw rod is threadedly connected with a vertical plate, and one side of the vertical plate is connected with a fixing rod connected with the first fixing hole and the second fixing hole.

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

[0014] The threads on both sides of the screw surface are arranged in opposite directions.

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

[0016] The top of the mounting seat is symmetrically provided with a second sliding groove, and the interior of the second sliding groove is slidably connected with a second sliding block connected with the bottom end of the vertical plate.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] In the utility model, the common mode inductor can be directly installed with the printed circuit board through the auxiliary components to form a whole, so that they can vibrate together in a vibration environment to avoid the phenomenon of one end of the winding being broken. At the same time, the mounting rod can be adjusted through the auxiliary components so that the mounting rod can be moved to a suitable position for installation according to different printed circuit boards, which is easy to use.

[0019] In the utility model, the magnetic core barrel can be disassembled by means of the auxiliary components so as to wind the wire on the surface of the magnetic core barrel and also facilitate its installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of a vibration-resistant common-mode inductor;

[0021] Figure 2 It is a structural schematic diagram of the bottom end portion of the mounting base in the utility model.

[0022] Figure 3 This is a schematic diagram of the structure of the surface of the horizontal plate in the utility model;

[0023] Figure 4 It is a schematic diagram of the surface structure of the mounting seat in the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the mounting seat in the utility model when viewed from above;

[0025] Figure 6 for Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 7 for Figure 1 Enlarged structural diagram at B in the middle.

[0027] Legend:

[0028] Mounting seat; 2. Fixed column; 3. Positioning hole; 4. First slide groove; 5. First slider; 6. Mounting rod; 7. Connecting block; 8. Spring; 9. Moving plate; 10. Positioning rod; 11. Horizontal plate; 12. Core tube; 13. First fixing hole; 14. Limit rod; 15. Limit hole; 16. Second fixing hole; 17. Fixed plate; 18. Screw; 19. Vertical plate; 20. Fixed rod; 21. Second slide groove; 22. Second slider. DETAILED DESCRIPTION

[0029] 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 of 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.

[0030] Reference Figure 1-7 A vibration-resistant common-mode inductor comprises a mounting base 1, on the surface of which an auxiliary component is arranged; the interior of the auxiliary component comprises a fixing column 2 arranged at the bottom end of the mounting base 1, and a plurality of positioning holes 3 are equidistantly arranged in an annular manner on the surface of the fixing column 2; a first slide groove 4 is arranged at the bottom end of the mounting base 1, and a first slider 5 is slidably connected inside the first slide groove 4, and a mounting rod 6 is connected to the bottom end of the first slider 5, which is convenient for welding the mounting rod 6 to a printed circuit board, so that a magnetic core tube 12 and a winding, etc. can be indirectly connected to the printed circuit board to form a whole, so that they can vibrate together in a vibration environment to avoid one end of the winding from breaking from the printed circuit board, and the mounting rod 6 can also be moved inside the first slide groove 4 by the first slider 5, so that the mounting rod 6 can be moved to a suitable welding position according to different printed circuit boards, so as to be welded to the printed circuit board.

[0031] Furthermore, one side of the mounting rod 6 is connected to a connecting block 7, and a spring 8 is arranged inside the connecting block 7, one side of the spring 8 is connected to a movable plate 9, and one side of the movable plate 9 is provided with a positioning rod 10 connected to the positioning hole 3. This is so that after the mounting rod 6 is moved to a specified position, the movable plate 9 connected thereto can drive the positioning rod 10 to move through the action of the spring 8, so that the positioning rod 10 can be moved to the inside of the positioning hole 3, so as to limit the mounting rod 6.

[0032] Furthermore, the interior of the auxiliary component also includes two horizontal plates 11 arranged on the surface of the mounting seat 1, and a magnetic core tube 12 is arranged between the horizontal plates 11, a first fixing hole 13 is symmetrically arranged on the surface of the horizontal plate 11, and a limit rod 14 is symmetrically arranged at the bottom end of the horizontal plate 11, and a limit hole 15 connected to the limit rod 14 is symmetrically arranged on the top of the mounting seat 1, and a second fixing hole 16 is symmetrically arranged on the surface of the mounting seat 1, and a fixing plate 17 is symmetrically arranged on the top of the mounting seat 1, and a screw 18 is rotatably connected between the fixing plates 17, and the screw 18 The surface of the vertical plate 19 is threadedly connected, and one side of the vertical plate 19 is connected to a fixing rod 20 connected to the first fixing hole 13 and the second fixing hole 16. When in use, by rotating the screw 18, the vertical plates 19 on both sides of the surface can drive the fixing rod 20 to move, and the fixing rod 20 can be moved out from the inside of the first fixing hole 13 and the second fixing hole 16, so that the limiting rod 14 at the bottom end of the horizontal plate 11 can be taken out from the inside of the limiting hole 15, so as to facilitate winding the connecting wire on the surface of the magnetic core tube 12, and vice versa. It is also convenient to install it.

[0033] Furthermore, the threads on both sides of the surface of the screw rod 18 are arranged in opposite directions, so that when the screw rod 18 rotates, the vertical plates 19 on both sides of the surface can move towards each other or move away from each other at the same time.

[0034] Furthermore, a second slide groove 21 is symmetrically provided at the top of the mounting base 1, and a second slider 22 connected to the bottom end of the vertical plate 19 is slidably connected inside the second slide groove 21. The second slider 22 and the second slide groove 21 facilitate that when the screw rod 18 rotates, the vertical plate 19 can be limitedly moved inside the second slide groove 21 through the second slider 22.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vibration-resistant common-mode inductor, comprising a mounting base (1), characterized in that: An auxiliary component is provided on the surface of the mounting seat (1); The auxiliary component includes a fixing column (2) arranged at the bottom end of the mounting seat (1), and a plurality of positioning holes (3) are formed in an annular manner and at equal intervals on the surface of the fixing column (2); A first sliding groove (4) is provided at the bottom end of the mounting seat (1), and a first sliding block (5) is slidably connected inside the first sliding groove (4), and a mounting rod (6) is connected at the bottom end of the first sliding block (5).

2. The vibration-resistant common-mode inductor according to claim 1, characterized in that: One side of the mounting rod (6) is connected to a connecting block (7), and a spring (8) is arranged inside the connecting block (7); one side of the spring (8) is connected to a moving plate (9), and one side of the moving plate (9) is provided with a positioning rod (10) connected to the positioning hole (3).

3. The vibration-resistant common-mode inductor according to claim 1, characterized in that: The auxiliary component further comprises two transverse plates (11) arranged on the surface of the mounting seat (1), and a magnetic core tube (12) is arranged between the transverse plates (11); a first fixing hole (13) is symmetrically arranged on the surface of the transverse plate (11), and a limiting rod (14) is symmetrically arranged at the bottom end of the transverse plate (11); a limiting hole (15) connected to the limiting rod (14) is symmetrically arranged at the top end of the mounting seat (1), and a second fixing hole (16) is symmetrically arranged on the surface of the mounting seat (1); a fixing plate (17) is symmetrically arranged at the top end of the mounting seat (1), and a screw rod (18) is rotatably connected between the fixing plates (17); a vertical plate (19) is threadedly connected to the surface of the screw rod (18), and a fixing rod (20) connected to the first fixing hole (13) and the second fixing hole (16) is connected to one side of the vertical plate (19).

4. The vibration-resistant common-mode inductor according to claim 3, characterized in that: The threads on both sides of the surface of the screw rod (18) are arranged in opposite directions.

5. The vibration-resistant common-mode inductor according to claim 1, characterized in that: The top of the mounting seat (1) is symmetrically provided with a second sliding groove (21), and the interior of the second sliding groove (21) is slidably connected to a second sliding block (22) connected to the bottom end of the vertical plate (19).

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