Spliced ferrite core

Abstract

The utility model relates to the technical field of ferrite magnetic cores, and discloses a spliced ferrite magnetic core, the middle parts of a first magnetic core and a second magnetic core are respectively provided with an embedded connecting seat, the two embedded connecting seats are connected through embedded splicing, and a winding reel seat is sleeved at the joint of the middle parts of the two embedded connecting seats through a mounting slot hole. The limiting insertion block is installed in the winding reel base in an embedded and inserted mode to achieve self-locking limiting of the first magnetic core and the second magnetic core, the first magnetic core and the second magnetic core are embedded and spliced through the notch structure to form a magnetic core structure, the winding reel base serves as a winding installation structure, winding operation is greatly facilitated, and the winding reel base is convenient to use. The mounting slotted hole formed in the middle of the winding reel base is used for sleeving and fastening the middle connecting position of the first magnetic core and the second magnetic core, stable mounting and limiting of the magnetic core structure can be achieved in cooperation with inserting and limiting of the limiting inserting block, and the integrated magnetic core structure is formed through mutual self-locking between the magnetic core structures after mounting. And good structural stability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of ferrite cores, in particular to a spliced ​​ferrite core. Background Art

[0002] Ferrite core is a high-frequency magnetic material. The higher the magnetic permeability of ferrite, the greater the low-frequency impedance and the smaller the high-frequency impedance. Different processes can be selected to manufacture the core according to different requirements. The core has different impedance characteristics at different frequencies. Generally, the impedance is very small at low frequencies. When the signal frequency increases, the impedance of the core increases sharply. When ferrite is used in different environments, it is necessary to change its own magnetic permeability according to the use requirements. It is mainly used to make high-frequency transformers, high-frequency magnetic rings, etc., which can improve the anti-interference characteristics of the equipment and improve the quality of inductance.

[0003] The ferrite core needs to be used in conjunction with winding when working. Due to the working appearance requirements, ferrite cores mostly adopt a closed appearance structure. Since the open closed winding cannot be directly wound and installed in the middle of the ferrite core, the operation is very inconvenient during winding. Utility Model Content

[0004] The purpose of the utility model is to provide a spliced ​​ferrite core to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a spliced ​​ferrite core, comprising: a core structure and a barrel seat structure, the core structure comprising a first core and a second core, the first core and the second core are both provided with a chimeric connection seat in the middle, and the two chimeric connection seats are connected by chimeric splicing;

[0006] The bobbin seat structure includes a bobbin seat and a limiting plug-in block. A mounting slot is provided in the middle of the bobbin seat. The bobbin seat is sleeved on the middle connection of two interlocking connection seats through the mounting slot. The limiting plug-in block is interlocked and plugged into the inside of the bobbin seat to realize self-locking limiting of the first magnetic core and the second magnetic core.

[0007] Preferably, an embedding protrusion is provided on the side of the embedding connection seat on one side of the above-mentioned first magnetic core, and an embedding groove is provided on the side of the embedding connection seat on one side of the second magnetic core. The embedding groove is adapted to the embedding protrusion, and the embedding protrusion is embedded in the inner side of the embedding groove.

[0008] Preferably, both sides of the first magnetic core are provided with an embedding slot, and both sides of the second magnetic core are fixed with an embedding pin, the embedding slot is adapted to the embedding pin, and the embedding pin is embedded and inserted in the embedding slot.

[0009] Preferably, the installation slot hole is arranged through the middle of the winding drum seat, and the two engaging connection seats are respectively inserted and installed on the inner side of the installation slot hole from both sides of the installation slot hole.

[0010] Preferably, both sides of the winding drum seat are provided with plug-in block installation grooves, the number of the limiting plug-in blocks is two, and the two limiting plug-in blocks are respectively inserted into the inner sides of the two plug-in block installation grooves from the upper side.

[0011] Preferably, the sides of the two above-mentioned interlocking connection seats are both provided with limiting slots, the limiting slots are adapted to the limiting plug-in blocks, and the lower part of the limiting plug-in blocks is interlocked and plugged into the inner side of the limiting slots.

[0012] Preferably, a limiting recessed hole is provided on one side of the limiting plug block, a limiting protrusion is fixedly provided on the inner side of the plug block mounting groove, the limiting protrusion is snap-fitted with the limiting recessed hole, a disassembly block is fixed on the upper part of the other side of the limiting plug block, and a finger opening is provided on the upper side of the plug block mounting groove.

[0013] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0014] The magnetic core adopts a split-splicing installation structure, in which the first magnetic core and the second magnetic core are spliced ​​and connected through a slot structure to form a magnetic core structure, and the winding drum seat is used as a winding installation structure, so the winding can be installed independently, and the winding operation will not be restricted by the magnetic core structure, which greatly facilitates the winding operation. After the winding is installed, the middle connection between the first magnetic core and the second magnetic core is tightened by using the installation slot hole set in the middle of the winding drum seat, and the plug-in limit of the limit plug block can realize the stable installation limit of the magnetic core structure. The installation operation is simple and convenient. After installation, the mutual self-locking between the magnetic core structures is used to form an integrated magnetic core structure, which has good structural stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall front side split structure of the utility model;

[0018] Figure 3It is a schematic diagram of the overall rear side split structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the split structure of the front side of the cartridge seat mechanism of the utility model;

[0020] Figure 5 It is a schematic diagram of the rear split structure of the cartridge seat mechanism of the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings: 1. first magnetic core; 2. second magnetic core; 3. winding drum seat; 4. limiting plug-in block; 5. engaging protrusion; 6. engaging groove; 7. mounting slot; 8. engaging plug-in column; 9. engaging slot; 10. plug-in block mounting slot; 11. limiting slot; 12. limiting recessed hole; 13. disassembly block; 14. finger pull opening. 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] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0024] Example

[0025] See also Figure 1-5 The utility model provides a technical solution: a spliced ​​ferrite core, characterized in that it has a core structure and a barrel seat structure, the core structure includes a first core 1 and a second core 2, and in order to facilitate the chimeric splicing installation, a chimeric connecting seat is provided in the middle of the first core 1 and the second core 2. As shown in FIG2 , a chimeric protrusion 5 is provided on the side of the chimeric connecting seat on one side of the first core 1, and a chimeric groove 6 is provided on the side of the chimeric connecting seat on one side of the second core 2. The chimeric groove 6 is matched with the chimeric protrusion 5, and the chimeric protrusion 5 is chimerically engaged with the inner side of the chimeric groove 6 to realize the chimeric splicing installation of the middle part of the first core 1 and the second core 2.

[0026] In order to realize the mosaic splicing installation of the first magnetic core 1 and the second magnetic core 2, as shown in the attached Figure 3As shown, an embedding slot 9 is provided on both sides of the first magnetic core 1, and an embedding column 8 is fixed on both sides of the second magnetic core 2. The embedding slot 9 is adapted to the embedding column 8, and the embedding column 8 is embedded and plugged into the inside of the embedding slot 9, so as to realize the embedding and splicing installation of the sides of the first magnetic core 1 and the second magnetic core 2, so that the installation of the first magnetic core 1 and the second magnetic core 2 is more stable.

[0027] The drum seat structure is used for the installation of the winding and the self-locking limit at the middle joint of the first magnetic core 1 and the second magnetic core 2. The drum seat structure includes a winding drum seat 3 and a limit plug 4. The winding drum seat 3 is an independent structure and is used for the winding installation of the winding. The winding can be installed independently, and the winding operation will not be restricted by the core structure, which greatly facilitates the winding operation. In order to facilitate the installation and connection with the chimeric connection seat, as shown in the attached Figure 4 As shown, a mounting slot 7 is provided in the middle of the winding drum seat 3, and the mounting slot 7 is a square slot. The mounting slot 7 is set through the middle of the winding drum seat 3, and the two chimeric connecting seats are respectively inserted and installed on the inner side of the mounting slot 7 from both sides of the mounting slot 7. The winding drum seat 3 is sleeved on the middle connection of the two chimeric connecting seats through the mounting slot 7, and the lateral sleeve limit of the middle connection of the two chimeric connecting seats is realized by the chimeric sleeve.

[0028] In order to realize the sliding limit of the middle connection of the two embedded connection seats, as shown in the attached Figure 4 As shown, plug-in mounting grooves 10 are provided on both sides of the winding drum seat 3, and the lower part of the plug-in mounting groove 10 is connected with the inner side of the mounting slot hole 7. There are two limit plug-in blocks 4, and the two limit plug-in blocks 4 are respectively inserted and connected to the inner sides of the two plug-in mounting grooves 10 from the upper side. In order to facilitate the card connection and limiting with the limit plug-in blocks 4, the sides of the two interlocking connection seats are provided with limit slots 11, and the limit slots 11 are adapted to the limit plug-in blocks 4. The lower part of the limit plug-in block 4 is inserted and connected to the inner side of the limit slot 11. The mounting slot hole 7 set in the middle part of the winding drum seat 3 is used to fit and tighten the middle connection between the first magnetic core 1 and the second magnetic core 2. The plug-in limiting of the limit plug-in block 4 can realize the stable installation and limiting of the magnetic core structure. After installation, the mutual self-locking between the magnetic core structures is used to form an integrated magnetic core structure. The magnetic core structures are mutually self-locked and fastened, and have good structural stability.

[0029] In order to improve the installation stability of the limit plug 4 and prevent the limit plug 4 from falling off, as shown in the attached Figure 4As shown, a limiting concave hole 12 is provided on one side of the limiting plug 4, and a limiting protrusion is fixedly provided on the inner side of the plug installation groove 10. The limiting protrusion is engaged with the limiting concave hole 12, and the engaging and limiting of the limiting plug 4 is realized after installation. In order to facilitate the disassembly operation of the limiting plug 4, a disassembly block 13 is fixed on the upper part of the other side of the limiting plug 4. The disassembly block 13 can be conveniently disassembled and removed by pressing the disassembly block 13 with fingers. In order to facilitate the finger pressing and pressing of the limiting plug 4, as shown in the attached Figure 5 As shown, a finger opening 14 is provided on the upper side of the insert mounting groove 10 .

[0030] According to the working principle or structural principle, during installation, the winding on the upper part of the winding drum seat 3 is installed first. After completion, the winding drum seat 3 is installed on the upper part of the interlocking connecting seat in the middle of the first magnetic core 1. Then, the interlocking connecting seat in the middle of the second magnetic core 2 is inserted into the installation slot 7 in the middle of the winding drum seat 3 by interlocking and plugging. The interlocking splicing of the interlocking connecting seats in the middle of the first magnetic core 1 and the second magnetic core 2 is completed in the installation slot 7. At the same time, the side structures of the first magnetic core 1 and the second magnetic core 2 are interlocked and connected through the interlocking plug column 8 and the interlocking slot 9. Then, the position of the winding drum seat 3 is adjusted, and then the limiting plug blocks 4 on both sides are interlocked and plugged into the plug installation groove 10 on the upper part of the winding drum seat 3 in turn. The self-locking limit of the first magnetic core 1 and the second magnetic core 2 is completed by the interlocking clamping of the limiting plug block 4 and the upper limiting slot 11 of the magnetic core, and the installation operation of the magnetic core is completed.

[0031] In summary, the magnetic core adopts a split-splicing installation structure, in which the first magnetic core 1 and the second magnetic core 2 are spliced ​​and connected through a slot structure to form a magnetic core structure, and the winding drum seat 3 is used as a winding installation structure, so that the winding can be installed independently, and the winding operation will not be restricted by the magnetic core structure, which greatly facilitates the winding operation. After the winding is installed, the middle connection between the first magnetic core 1 and the second magnetic core 2 is tightened by using the installation slot 7 set in the middle of the winding drum seat 3, and the plug-in limit of the limit plug block 4 can achieve a stable installation limit of the magnetic core structure. The installation operation is simple and convenient. After installation, the mutual self-locking between the magnetic core structures is used to form an integrated magnetic core structure, which has good structural stability.

[0032] So far, the embodiments of the utility model have been described in detail in conjunction with the accompanying drawings. It should be noted that the implementation methods not shown or described in the drawings or the body of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each component are not limited to the various specific structures, shapes or methods mentioned in the embodiments, and ordinary technicians in the field can simply change or replace them.

[0033] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. 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 spliced ​​ferrite core, It is characterized in that include: A magnetic core structure and a cartridge seat structure, wherein the magnetic core structure comprises a first magnetic core (1) and a second magnetic core (2), wherein a chimeric connection seat is disposed in the middle of each of the first magnetic core (1) and the second magnetic core (2), and the two chimeric connection seats are connected by chimeric splicing; The bobbin seat structure comprises a bobbin seat (3) and a limiting plug block (4); a mounting slot (7) is provided in the middle of the bobbin seat (3); the bobbin seat (3) is fitted into the middle connection of two interlocking connection seats through the mounting slot (7); and the limiting plug block (4) is installed in an interlocking manner inside the bobbin seat (3) to realize self-locking limiting of the first magnetic core (1) and the second magnetic core (2).

2. A spliced ​​ferrite core according to claim 1, Features: An embedding protrusion (5) is provided on the side of the embedding connection seat on one side of the first magnetic core (1), and an embedding groove (6) is provided on the side of the embedding connection seat on one side of the second magnetic core (2); the embedding groove (6) is adapted to the embedding protrusion (5), and the embedding protrusion (5) is embedded in the inner side of the embedding groove (6).

3. A spliced ​​ferrite core according to claim 2, Features: Both sides of the first magnetic core (1) are provided with an embedding slot (9), and both sides of the second magnetic core (2) are fixed with an embedding pin (8), the embedding slot (9) is adapted to the embedding pin (8), and the embedding pin (8) is embedded in the embedding slot (9).

4. A spliced ​​ferrite core according to claim 3, Features: The installation slot hole (7) is arranged through the middle of the winding drum seat (3), and the two engaging connection seats are respectively inserted and installed on the inner side of the installation slot hole (7) from both sides of the installation slot hole (7).

5. A spliced ​​ferrite core according to claim 4, Features: Both sides of the winding drum seat (3) are provided with plug-in block installation grooves (10), the number of the limiting plug-in blocks (4) is two, and the two limiting plug-in blocks (4) are respectively inserted and engaged with the inner sides of the two plug-in block installation grooves (10) from the upper side.

6. A spliced ​​ferrite core according to claim 5, Features: The sides of the two engaging connection seats are both provided with limiting slots (11), the limiting slots (11) are adapted to the limiting plug blocks (4), and the lower part of the limiting plug blocks (4) is engaged and plugged into the inner side of the limiting slots (11).

7. A spliced ​​ferrite core according to claim 6, Features: A limiting recessed hole (12) is provided on one side of the limiting plug block (4), a limiting protrusion is fixedly provided on the inner side of the plug block mounting groove (10), the limiting protrusion is engaged with the limiting recessed hole (12), a disassembly block (13) is fixed on the upper part of the other side of the limiting plug block (4), and a finger opening (14) is provided on the upper side of the plug block mounting groove (10).

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