Nickel-zinc ferrite magnetic core with continuously adjustable air gap

Abstract

The utility model discloses a nickel zinc ferrite magnetic core with continuously adjustable air gap, which comprises an outer magnetic core, an inner magnetic core is movably connected inside the outer magnetic core, one end of the outer magnetic core is fixedly connected with a second baffle plate, one end of the inner magnetic core is fixedly connected with a first baffle plate, and the first baffle plate is fixedly connected with a second baffle plate. The center line of the outer magnetic core and the center line of the inner magnetic core are on the same vertical plane. According to the nickel-zinc ferrite magnetic core with the continuously adjustable air gap, the limiting block is arranged, the first baffle can be pulled to drive the inner magnetic core to move when the nickel-zinc ferrite magnetic core is used, the distance between the first baffle and the second baffle can be adjusted while the inner magnetic core moves, and therefore the distance between the air gaps of the magnetic core is adjusted; and meanwhile, the inner ring outside the inner magnetic core is attached to the interior of the inner groove so that the inner magnetic core can be limited, the stability between the outer magnetic core and the inner magnetic core can be guaranteed, the stability of the outer magnetic core and the inner magnetic core can be further improved by attaching the limiting block inside the outer magnetic core to the interior of the limiting groove, and the problem that the air gap distance cannot be adjusted is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of nickel-zinc ferrite cores, in particular to a nickel-zinc ferrite core with a continuously adjustable air gap. Background Art

[0002] The magnetic core is a sintered magnetic metal oxide composed of a mixture of various iron oxides. It is divided into many types according to different materials, but the basic performance is not much different. Among them, the nickel-zinc ferrite core is a core made of nickel and zinc materials, which has a very high resistivity. However, the current nickel-zinc ferrite core still has some defects in use, and the air gap spacing cannot be adjusted during use;

[0003] Now a new type of nickel-zinc ferrite core with continuously adjustable air gap is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a nickel-zinc ferrite core with a continuously adjustable air gap, so as to solve the problem that the air gap spacing cannot be adjusted in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a nickel-zinc ferrite core with continuously adjustable air gap, comprising an outer core, the inner core of the outer core is movably connected to the inner core, one end of the outer core is fixedly connected to a second baffle, one end of the inner core is fixedly connected to a first baffle, and the center line of the outer core is on the same vertical plane as the center line of the inner core;

[0006] An inner groove is arranged inside the outer magnetic core, an inner ring is fixedly connected to the outside of the inner magnetic core, a group of limiting grooves are respectively opened at two ends of the inner magnetic core, and limiting blocks are fixedly connected to the two ends of the inner part of the outer magnetic core.

[0007] Preferably, the limiting block is slidably connected to the limiting groove, and the inner groove is slidably connected to the inner ring.

[0008] Preferably, the limiting blocks inside the outer magnetic core are arranged at equal intervals, and the center line of the inner groove and the center line of the outer magnetic core are on the same vertical plane.

[0009] Preferably, one side of the outer magnetic core is fixedly connected with a movable groove, one side of the movable groove is fixedly connected with a positioning seat, one side of the positioning seat is movably connected with a turntable, one side of the turntable is provided with a hexagonal groove, a threaded hole is provided inside the positioning seat, one side of the turntable is fixedly connected with a threaded shaft, the inside of the movable groove is movably connected with an arc plate, one side of the arc plate is fixedly connected with an anti-slip pad, the other side of the arc plate is fixedly connected with a connecting groove, one side of the connecting groove is provided with a through hole, the threaded shaft passes through the through hole and extends to the inside of the connecting groove where it is fixedly connected with a positioning plate.

[0010] Preferably, the threaded shaft is threadedly connected to the threaded hole, and the positioning plate is movably connected to the connecting groove.

[0011] Preferably, the movable groove is communicated with the interior of the inner groove, and the center line of the threaded shaft and the center line of the positioning plate are on the same horizontal plane.

[0012] Preferably, a groove is formed at one end of the outer magnetic core, a scale plate is movably connected inside the groove, positioning holes are formed on both sides of one end of the scale plate, positioning pins are fixedly connected on both sides of the groove, and a pointer is fixedly connected inside the limit groove.

[0013] Preferably, the pointer is slidably connected to the groove, and the positioning pin is fixedly connected to the positioning hole.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the nickel-zinc ferrite core with continuously adjustable air gap not only realizes the ability to adjust the air gap spacing and quickly locate the magnetism, but also realizes the ability to intuitively obtain the air gap spacing value;

[0015] (1) By providing a limiting block, a limiting groove, a first baffle, a second baffle, an inner ring and an inner groove, the first baffle can be pulled to drive the inner magnetic core to move during use. While the inner magnetic core moves, the distance between the first baffle and the second baffle can be adjusted, thereby adjusting the spacing of the air gap of the magnetic core. At the same time, the inner ring outside the inner magnetic core fits inside the inner groove to limit the inner magnetic core and ensure the stability between the outer magnetic core and the inner magnetic core. The limiting block inside the outer magnetic core fits inside the limiting groove to further improve the stability of the outer magnetic core and the inner magnetic core and prevent shaking, thereby realizing that the spacing of the air gap of the magnetic core can be quickly adjusted.

[0016] (2) By providing a movable groove, a turntable, a hexagonal groove, a positioning seat, a threaded hole, a threaded shaft, a connecting groove, an arc plate, an anti-skid pad, a positioning plate and a through hole, after adjusting the air gap spacing, the turntable can be rotated through the hexagonal groove, and the turntable drives the threaded shaft to rotate. The threaded shaft rotates inside the threaded hole and drives the positioning plate to move to one side. Finally, the positioning plate pushes the arc plate to move through the connecting groove, and the arc plate fits the anti-skid pad to the outside of the inner ring, so that the outer magnetic core is positioned by friction, which makes it easy to position the magnetic core;

[0017] (3) By providing a groove, a positioning pin, a positioning hole, a scale plate and a pointer, when the air gap spacing of the magnetic core is adjusted, the movement of the inner magnetic core drives the pointer inside the limit groove to move, and the pointer moves in the groove, and the inside of the groove is installed with a scale plate through the positioning pin. The air gap spacing can be intuitively obtained through the value indicated by the pointer on the scale plate, thereby realizing the intuitive determination of the air gap spacing value. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the movable groove of the utility model;

[0020] Figure 3 It is a schematic diagram of the side cross-sectional structure of the outer magnetic core of the utility model;

[0021] Figure 4 For the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. outer magnetic core; 2. inner magnetic core; 3. limit block; 4. limit groove; 5. movable groove; 6. turntable; 7. hexagonal groove; 8. positioning seat; 9. first baffle; 10. second baffle; 11. inner ring; 12. threaded hole; 13. threaded shaft; 14. connecting groove; 15. arc plate; 16. anti-slip pad; 17. positioning plate; 18. inner groove; 19. through hole; 20. groove; 21. positioning pin; 22. positioning hole; 23. scale plate; 24. pointer. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1: Please refer to Figure 1-4 , a nickel-zinc ferrite core with a continuously adjustable air gap, comprising an outer core 1, an inner core 2 is movably connected to the inner core 2, one end of the outer core 1 is fixedly connected to a second baffle 10, one end of the inner core 2 is fixedly connected to a first baffle 9, and the center line of the outer core 1 and the center line of the inner core 2 are in the same vertical plane;

[0025] An inner groove 18 is provided inside the outer magnetic core 1, an inner ring 11 is fixedly connected to the outside of the inner magnetic core 2, a set of limit grooves 4 are respectively provided at both ends of the inner magnetic core 2, and limit blocks 3 are fixedly connected to both ends of the inner part of the outer magnetic core 1;

[0026] The limit block 3 is slidably connected to the limit groove 4, and the inner groove 18 is slidably connected to the inner ring 11;

[0027] The limit blocks 3 inside the outer magnetic core 1 are arranged at equal intervals, and the center line of the inner slot 18 and the center line of the outer magnetic core 1 are on the same vertical plane;

[0028] Specifically, Figure 1 and Figure 3 As shown, when in use, the first baffle 9 can be pulled to drive the inner magnetic core 2 to move. While the inner magnetic core 2 moves, the distance between the first baffle 9 and the second baffle 10 can be adjusted, thereby adjusting the spacing of the air gap of the magnetic core. At the same time, the inner ring 11 outside the inner magnetic core 2 fits inside the inner groove 18 to limit the inner magnetic core 2 and ensure the stability between the outer magnetic core 1 and the inner magnetic core 2. The limiting block 3 inside the outer magnetic core 1 fits inside the limiting groove 4 to further improve the stability of the outer magnetic core 1 and the inner magnetic core 2 and prevent shaking, thereby realizing that the spacing of the air gap of the magnetic core can be quickly adjusted.

[0029] Embodiment 2: A movable groove 5 is fixedly connected to one side of the outer magnetic core 1, a positioning seat 8 is fixedly connected to one side of the movable groove 5, a turntable 6 is movably connected to one side of the positioning seat 8, a hexagonal groove 7 is provided on one side of the turntable 6, a threaded hole 12 is provided inside the positioning seat 8, a threaded shaft 13 is fixedly connected to one side of the turntable 6, an arc plate 15 is movably connected to the inside of the movable groove 5, an anti-slip pad 16 is fixedly connected to one side of the arc plate 15, a connecting groove 14 is fixedly connected to the other side of the arc plate 15, a through hole 19 is provided on one side of the connecting groove 14, the threaded shaft 13 passes through the through hole 19 and extends to the inside of the connecting groove 14 where a positioning plate 17 is fixedly connected;

[0030] The threaded shaft 13 is threadedly connected to the threaded hole 12, and the positioning plate 17 is movably connected to the connecting groove 14;

[0031] The movable groove 5 is connected to the interior of the inner groove 18, and the center line of the threaded shaft 13 and the center line of the positioning plate 17 are on the same horizontal plane;

[0032] Specifically, Figure 1 and Figure 2 As shown, after adjusting the air gap spacing, the turntable 6 can be rotated through the hexagonal slot 7, and the turntable 6 can drive the threaded shaft 13 to rotate. The threaded shaft 13 can drive the positioning plate 17 to move to one side while rotating inside the threaded hole 12. Finally, the positioning plate 17 pushes the arc plate 15 to move through the connecting groove 14. The arc plate 15 fits the anti-slip pad 16 to the outside of the inner ring 11, thereby positioning the outer magnetic core 1 through friction, thereby facilitating the positioning of the magnetic core.

[0033] Embodiment 3: A groove 20 is formed at one end of the outer magnetic core 1, a scale plate 23 is movably connected inside the groove 20, positioning holes 22 are formed on both sides of one end of the scale plate 23, positioning pins 21 are fixedly connected on both sides of the groove 20, and a pointer 24 is fixedly connected inside the limit groove 4;

[0034] The pointer 24 is slidably connected to the groove 20, and the positioning pin 21 is fixedly connected to the positioning hole 22;

[0035] Specifically, Figure 1 and Figure 4 As shown, while adjusting the air gap spacing of the magnetic core, the movement of the inner magnetic core 2 drives the pointer 24 inside the limit groove 4 to move, and the pointer 24 moves in contact with the groove 20, and a scale plate 23 is installed inside the groove 20 through a positioning pin 21. The air gap spacing can be intuitively obtained through the value indicated by the pointer 24 on the scale plate 23, thereby realizing the intuitive determination of the air gap spacing value.

[0036] Working principle: When the utility model is in use, the first baffle 9 can be pulled to drive the inner magnetic core 2 to move. While the inner magnetic core 2 moves, the distance between the first baffle 9 and the second baffle 10 can be adjusted, thereby adjusting the spacing of the air gap of the magnetic core. At the same time, the inner ring 11 outside the inner magnetic core 2 fits inside the inner groove 18 to limit the inner magnetic core 2 and ensure the stability between the outer magnetic core 1 and the inner magnetic core 2. The limit block 3 inside the outer magnetic core 1 fits inside the limit groove 4 to further improve the stability of the outer magnetic core 1 and the inner magnetic core 2 and prevent shaking. After adjusting the air gap spacing, the turntable 6 can be rotated through the hexagonal groove 7, and the turntable 6 drives the threaded shaft 13 rotates, and the threaded shaft 13 rotates inside the threaded hole 12 and can drive the positioning plate 17 to move to one side. Finally, the positioning plate 17 pushes the arc plate 15 to move through the connecting groove 14. The arc plate 15 fits the anti-slip pad 16 on the outside of the inner ring 11, so as to position the outer core 1 through the friction force. While adjusting the air gap spacing of the core, the movement of the inner core 2 drives the pointer 24 inside the limit groove 4 to move. The pointer 24 fits inside the groove 20 and moves. The inside of the groove 20 is installed with a scale plate 23 through the positioning pin 21. The air gap spacing can be intuitively obtained through the value indicated by the pointer 24 on the scale plate 23.

Claims

1. A nickel-zinc ferrite core with a continuously adjustable air gap, comprising an outer core (1), characterized in that: The inner magnetic core (2) is movably connected to the inner magnetic core (1), one end of the outer magnetic core (1) is fixedly connected to a second baffle (10), one end of the inner magnetic core (2) is fixedly connected to a first baffle (9), and the center line of the outer magnetic core (1) and the center line of the inner magnetic core (2) are on the same vertical plane; The outer magnetic core (1) is provided with an inner groove (18), the outer part of the inner magnetic core (2) is fixedly connected to an inner ring (11), a group of limit grooves (4) are respectively provided at two ends of the inner magnetic core (2), and the two ends of the inner part of the outer magnetic core (1) are fixedly connected to limit blocks (3).

2. The nickel-zinc ferrite core with continuously adjustable air gap according to claim 1, characterized in that: The limiting block (3) is slidably connected to the limiting groove (4), and the inner groove (18) is slidably connected to the inner ring (11).

3. The nickel-zinc ferrite core with continuously adjustable air gap according to claim 1, characterized in that: The limiting blocks (3) inside the outer magnetic core (1) are arranged at equal intervals, and the center line of the inner groove (18) and the center line of the outer magnetic core (1) are on the same vertical plane.

4. The nickel-zinc ferrite core with continuously adjustable air gap according to claim 1, characterized in that: One side of the outer magnetic core (1) is fixedly connected to a movable groove (5), one side of the movable groove (5) is fixedly connected to a positioning seat (8), one side of the positioning seat (8) is movably connected to a turntable (6), one side of the turntable (6) is provided with a hexagonal groove (7), a threaded hole (12) is provided inside the positioning seat (8), one side of the turntable (6) is fixedly connected to a threaded shaft (13), the inside of the movable groove (5) is movably connected to an arc plate (15), one side of the arc plate (15) is fixedly connected to an anti-slip pad (16), the other side of the arc plate (15) is fixedly connected to a connecting groove (14), one side of the connecting groove (14) is provided with a through hole (19), the threaded shaft (13) passes through the through hole (19) and extends to the inside of the connecting groove (14) where it is fixedly connected to a positioning plate (17).

5. The nickel-zinc ferrite core with continuously adjustable air gap according to claim 4, characterized in that: The threaded shaft (13) is threadedly connected to the threaded hole (12), and the positioning plate (17) is movably connected to the connecting groove (14).

6. The nickel-zinc ferrite core with continuously adjustable air gap according to claim 4, characterized in that: The movable groove (5) is connected to the interior of the inner groove (18), and the center line of the threaded shaft (13) and the center line of the positioning plate (17) are on the same horizontal plane.

7. The nickel-zinc ferrite core with continuously adjustable air gap according to claim 1, characterized in that: A groove (20) is provided at one end of the outer magnetic core (1), a scale plate (23) is movably connected inside the groove (20), positioning holes (22) are provided on both sides of one end of the scale plate (23), positioning pins (21) are fixedly connected on both sides of the groove (20), and a pointer (24) is fixedly connected inside the limiting groove (4).

8. The nickel-zinc ferrite core with continuously adjustable air gap according to claim 7, characterized in that: The pointer (24) is slidably connected to the groove (20), and the positioning pin (21) is fixedly connected to the positioning hole (22).

Images