High-safety epoxy board common mode inductor

Abstract

The utility model relates to the technical field of epoxy plate common mode inductors, in particular to a high-safety epoxy plate common mode inductor which comprises a bottom plate, and a magnetic core is arranged at the top end of the bottom plate. The fixing mechanism capable of fixing and limiting the epoxy plate common mode inductor is arranged on the outer wall of the magnetic core; by arranging the fixing mechanism, when the epoxy plate common-mode inductor is used, the first fixing plates on the two sides of the magnetic core can limit and fix the coil, the coil is prevented from vibrating under the influence of external force, the first spring telescopic rods and the limiting plates are matched to clamp the coil, and therefore the coil is prevented from being damaged. The fixing rods on one sides of the two fixing plates are staggered and matched with the fixing nuts so that the fixing plates can be installed and fixed, the installation plates can be limited, the second spring telescopic rods and the second fixing plates are matched so that the coil can be limited and fixed, the epoxy plate common mode inductor can be fixed, and the safety of the epoxy plate common mode inductor can be improved.

Description

Technical Field

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

[0002] Epoxy board common-mode inductors usually refer to common-mode inductors that use epoxy resin encapsulation or epoxy board as insulating support materials. Common-mode inductors are often used in computer switching power supplies to filter common-mode electromagnetic interference signals. In board design, common-mode inductors also play the role of EMI filtering, which is used to suppress the outward radiation of electromagnetic waves generated by high-speed signal lines.

[0003] After searching the Chinese patent "A high-safety epoxy board common-mode inductor", the publication number is "CN220474459U". This patent effectively isolates the windings on both sides of the inductor by setting an epoxy board in the middle of the common-mode inductor. After the inductor coil is wound, the abutting coil can be squeezed to press and fix the coil, which can effectively prevent the coil from being loose and make the coils tighter, thereby effectively avoiding the short circuit between the windings. However, the epoxy board common-mode inductor is prone to vibration or expansion and contraction when subjected to external force, which makes it inconvenient to fix the common-mode inductor, reducing the safety of the epoxy board common-mode inductor.

[0004] Therefore, a high-safety epoxy board common mode inductor is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-safety epoxy board common-mode inductor in order to solve the above-mentioned problem, thereby improving the problem of inconvenience in fixing the common-mode inductor.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions: a high-safety epoxy board common-mode inductor, comprising a base plate, a magnetic core is arranged on the top of the base plate; a fixing mechanism, which can fix and limit the epoxy board common-mode inductor, and the fixing mechanism is arranged on the outer wall of the magnetic core; wherein the fixing mechanism comprises a coil arranged on both sides of the magnetic core, one end of the coil is provided with two lead ends, the inner wall of the magnetic core is provided with a mounting plate, and the middle part of the inner wall of the magnetic core is provided with a mounting assembly.

[0007] Preferably, the fixing mechanism also includes a first fixing plate arranged on both sides of the magnetic core, the coil is arranged on the inner wall of the first fixing plate, the inner wall of the first fixing plate is slidably connected to a limiting plate, and one end of the first fixing plate is fixedly connected to a plurality of evenly distributed fixing rods, so that the coil can be quickly fixed and limited to prevent the epoxy board common-mode inductor from loosening during use, thereby improving the safety of the epoxy board common-mode inductor.

[0008] Preferably, a plurality of evenly distributed first spring telescopic rods are fixedly connected to one side of the limit plate, one end of the first spring telescopic rod is fixedly connected to the first fixed plate, and the coil can be fixed in cooperation with the limit plate, thereby improving the fixing effect of the limit plate.

[0009] Preferably, one end of one of the fixing rods is threadedly connected with a fixing nut, and one end of the fixing nut passes through the two fixing rods and is threadedly connected to the mounting plate, so that the first fixing plate can be quickly installed and fixed, thereby improving the use effect of the epoxy board common mode inductor.

[0010] Preferably, second spring telescopic rods are fixedly connected to both sides of the mounting plate, and one end of the second spring telescopic rod is fixedly connected to a second fixing plate, which can limit the upper coil of the common-mode inductor of the epoxy board and fix it.

[0011] Preferably, the mounting assembly includes sliders fixedly connected to both ends of the mounting plate, and the inner wall of the magnetic core is provided with two sliding grooves matched with the sliders, so as to facilitate quick installation of the mounting plate.

[0012] Preferably, rubber blocks are provided on both sides of the slider, and a limiting groove is provided at one end of the rubber block to prevent friction between the mounting plate and the magnetic core when in use, and to limit the epoxy board common mode inductor.

[0013] Preferably, two mounting grooves are provided at both ends of the outer wall of the bottom plate, and the lead ends are arranged on the inner walls of the mounting grooves, so that the lead ends can be quickly installed and fixed.

[0014] The beneficial effects of the utility model are:

[0015] By setting a fixing mechanism, when the epoxy board common mode inductor is used, the first fixing plates on both sides of the magnetic core can limit and fix the coil to prevent the coil from vibrating when affected by external force, the first spring telescopic rod cooperates with the limiting plate to clamp the coil, the fixing rods on one side of the two fixing plates are staggered and cooperate with the fixing nuts to install and fix them, and the mounting plate can also be limited, the second spring telescopic rod cooperates with the second fixing plate to limit and fix the coil, and the epoxy board common mode inductor can be fixed, thereby improving the safety of the epoxy board common mode inductor.

[0016] By setting up the installation component, when the epoxy board common-mode inductor is used, the installation plate is installed in the magnetic core by cooperating with the sliders and the slide grooves at the upper and lower ends of the installation plate, so that the installation plate can be quickly installed and can also be limited. The rubber block on the installation plate can increase the friction between the magnetic core and the installation plate to limit the installation plate to prevent it from falling during use. The installation groove can be used to install the lead end, which is convenient for the installation of the epoxy board and improves the safety of the epoxy board common-mode inductor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation assembly structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the local structure of the installation component of the utility model.

[0021] In the figure: 1, bottom plate; 2, magnetic core; 3, fixing mechanism; 301, coil; 302, lead end; 303, mounting plate; 304, first fixing plate; 305, limiting plate; 306, fixing rod; 307, first spring telescopic rod; 308, fixing nut; 309, second fixing plate; 310, second spring telescopic rod; 311, mounting assembly; 3111, slider; 3112, slide groove; 3113, rubber block; 3114, limiting groove; 3115, mounting groove. DETAILED DESCRIPTION

[0022] 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.

[0023] When implementing: Figure 1-4 As shown, a high-safety epoxy board common-mode inductor comprises a base plate 1, a magnetic core 2 is arranged on the top of the base plate 1; a fixing mechanism 3, which can fix and limit the epoxy board common-mode inductor, is arranged on the outer wall of the magnetic core 2; wherein, the fixing mechanism 3 comprises a coil 301 arranged on both sides of the magnetic core 2, one end of the coil 301 is provided with two lead ends 302, the inner wall of the magnetic core 2 is provided with a mounting plate 303, and the middle part of the inner wall of the magnetic core 2 is provided with a mounting assembly 311.

[0024] like Figure 2As shown, the fixing mechanism 3 also includes a first fixing plate 304 arranged on both sides of the magnetic core 2, the coil 301 is arranged on the inner wall of the first fixing plate 304, the inner wall of the first fixing plate 304 is slidably connected to a limiting plate 305, one end of the first fixing plate 304 is fixedly connected to a plurality of evenly distributed fixing rods 306, one side of the limiting plate 305 is fixedly connected to a plurality of evenly distributed first spring telescopic rods 307, one end of the first spring telescopic rod 307 is fixedly connected to the first fixing plate 304, one end of one of the fixing rods 306 is threadedly connected to a fixing nut 308, one end of the fixing nut 308 passes through the two fixing rods 306 and is threadedly connected to the mounting plate 303, and the mounting The second spring telescopic rod 310 is fixedly connected to both sides of the plate 303, and one end of the second spring telescopic rod 310 is fixedly connected to the second fixed plate 309. When the mounting plate 303 is installed in the magnetic core 2, the second spring telescopic rod 310 cooperates with the second fixed plate 309 to fix and limit the coil 301, and then the first fixed plate 304 is installed on one side of the two coils 301 to limit them, and the fixing nut 308 is rotated to thread the mounting plate 303 to fix them, and the first spring telescopic rod 307 cooperates with the limiting plate 305 to clamp the coil 301, which can fix the epoxy board common mode inductor and improve the safety of the epoxy board common mode inductor.

[0025] like Figure 3 and Figure 4 As shown, the mounting assembly 311 includes a slider 3111 fixedly connected to both ends of the mounting plate 303, the inner wall of the magnetic core 2 is provided with two slide grooves 3112 matched with the slider 3111, rubber blocks 3113 are provided on both sides of the slider 3111, and a limiting groove 3114 is provided at one end of the rubber block 3113, and two mounting grooves 3115 are provided at both ends of the outer wall of the bottom plate 1, and the lead end 302 is arranged on the inner wall of the mounting groove 3115. The mounting plate 303 is installed in the magnetic core 2 by matching the slider 3111 with the slide groove 3112, and the mounting plate 303 is limited by matching the rubber block 3113 with the limiting groove 3114. The mounting groove 3115 can fix the lead end 302, which is convenient for installing the epoxy board and improves the safety of the common mode inductor of the epoxy board.

[0026] When the utility model is in use, the mounting plate 303 is installed in the magnetic core 2 by matching the sliders 3111 at the upper and lower ends with the slide grooves 3112 in the magnetic core 2, the rubber blocks 3113 at the upper and lower ends of the mounting plate 303 match with the limiting grooves 3114 to limit the mounting plate 303, the mounting grooves 3115 can fix the lead end 302, the second spring telescopic rod 310 matches with the second fixed plate 309 to fix and limit the coil 301, and then the first fixed plate 304 is installed on one side of the magnetic core 2 to limit the coil 301, the fixing rods 306 on one side of the two first fixed plates 304 are staggered with each other, the fixing nut 308 is rotated to be threadedly connected with the mounting plate 303 to fix it, and the first spring telescopic rod 307 matches with the limiting plate 305 to clamp the coil 301.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-safety epoxy board common mode inductor, characterized in that: include: A bottom plate (1), wherein a magnetic core (2) is arranged at the top end of the bottom plate (1); A fixing mechanism (3) capable of fixing and limiting the epoxy board common mode inductor, the fixing mechanism (3) being arranged on the outer wall of the magnetic core (2); The fixing mechanism (3) comprises a coil (301) arranged on both sides of the magnetic core (2), one end of the coil (301) is provided with two lead ends (302), the inner wall of the magnetic core (2) is provided with a mounting plate (303), and the middle part of the inner wall of the magnetic core (2) is provided with a mounting assembly (311).

2. A high-safety epoxy board common mode inductor according to claim 1, characterized in that: The fixing mechanism (3) further comprises a first fixing plate (304) arranged on both sides of the magnetic core (2); the coil (301) is arranged on the inner wall of the first fixing plate (304); the inner wall of the first fixing plate (304) is slidably connected to a limit plate (305); and one end of the first fixing plate (304) is fixedly connected to a plurality of evenly distributed fixing rods (306).

3. A high-safety epoxy board common mode inductor according to claim 2, characterized in that: A plurality of evenly distributed first spring telescopic rods (307) are fixedly connected to one side of the limiting plate (305), and one end of the first spring telescopic rod (307) is fixedly connected to the first fixing plate (304).

4. The high-safety epoxy board common mode inductor according to claim 2, characterized in that: One end of one of the fixing rods (306) is threadedly connected to a fixing nut (308), and one end of the fixing nut (308) passes through the two fixing rods (306) and is threadedly connected to the mounting plate (303).

5. The high-safety epoxy board common mode inductor according to claim 1, characterized in that: Second spring telescopic rods (310) are fixedly connected to both sides of the mounting plate (303), and one end of the second spring telescopic rod (310) is fixedly connected to a second fixing plate (309).

6. The high-safety epoxy board common mode inductor according to claim 1, characterized in that: The mounting assembly (311) comprises sliding blocks (3111) fixedly connected to two ends of the mounting plate (303); the inner wall of the magnetic core (2) is provided with two sliding grooves (3112) matching with the sliding blocks (3111).

7. A high-safety epoxy board common mode inductor according to claim 6, characterized in that: Rubber blocks (3113) are provided on both sides of the sliding block (3111), and a limiting groove (3114) is provided at one end of the rubber block (3113).

8. The high-safety epoxy board common mode inductor according to claim 1, characterized in that: Two mounting grooves (3115) are provided at both ends of the outer wall of the bottom plate (1), and the lead end (302) is arranged on the inner wall of the mounting groove (3115).

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