Manganese zinc ferrite core adjusting structure

Abstract

A manganese zinc ferrite magnetic core adjusting structure comprises two magnetic core strips, a connecting body located between the two magnetic core strips and a magnetic core pipe body connected to the surfaces of the magnetic core strips and the connecting body in a sliding and sealing mode, a first heating pipe body is arranged on the magnetic core pipe body, one end of the first heating pipe body extends into the connecting body, and the other end of the first heating pipe body extends into the connecting body. The other end of the magnetic core strip is connected with an auxiliary adjusting mechanism which enables a connecting body between the two magnetic core strips to be in a full state. According to the manganese zinc ferrite magnetic core adjusting structure, the connector between the two magnetic core strips is in a full state all the time, resistance is reduced when the magnetic core strips are far away from each other or close to each other so that an air gap can be adjusted conveniently, meanwhile, when the air gap needs to be increased again, the connector in the molten state can be sucked into the position between the two magnetic core strips, and therefore the air gap can be adjusted conveniently. The connector is always in a full state, is convenient to fix, and improves the utilization rate of the magnetic core.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of magnetic core adjusting equipment, especially relates to a manganese zinc ferrite magnetic core adjusting structure. BACKGROUND

[0002] Magnetic core refers to a kind of sintered magnetic metal oxide composed of various iron oxide mixtures.For example, manganese zinc ferrite and nickel zinc ferrite are typical magnetic core materials.Manganese zinc ferrite has the characteristics of high magnetic permeability and high magnetic flux density, and has the characteristics of low loss.

[0003] Some magnetic cores are provided with air gap, the air gap of magnetic core refers to part of magnetic circuit is composed of air, so it is called air gap, simply called air gap.Air gap can reduce magnetic permeability, increase saturation current, increase the ability of stored energy, reduce residual magnetism.If the air gap of magnetic core is too large, the flow of magnetic flux will be hindered, if the air gap of magnetic core is too small, the distribution of magnetic field will be uneven, sometimes, the air gap of magnetic core needs to be adjusted according to application requirements, for this purpose, Chinese patent CN202310499753.0 discloses a kind of manganese zinc ferrite magnetic core adjusting device, the device reduces the volume of gap adjusting auxiliary assembly to reduce the volume of gap adjusting auxiliary assembly, so as to smoothly push the magnetic core strip, to smoothly complete adjustment, greatly improve practicality.But there are still the following deficiencies, when the air gap of adjustable gap magnetic core needs to be increased, due to the sliding sealing fit between magnetic core strip 101 and magnetic core tube 102, there may be great resistance when pulling two magnetic core strips 101 away from each other, and in the process of reducing the air gap of adjustable gap magnetic core, the molten gap adjusting body drops into the receiving cylinder 301, when the air gap of adjustable gap magnetic core needs to be increased again, the fixation of two magnetic core strips 101 is affected due to the discharge of gap adjusting body 103, and the utilization rate of magnetic core is reduced. UTILITY MODEL CONTENTS

[0004] The utility model aims at: propose a kind of manganese zinc ferrite magnetic core adjusting structure, to solve the problems in the background art, so that the connecting body between two magnetic core strips is always in full state during the process that magnetic core strips are away from each other or close to each other, to improve the stability of magnetic core strip connection, thereby improve the utilization rate of magnetic core.

[0005] To achieve the above object, the following technical scheme is adopted: a kind of manganese zinc ferrite magnetic core adjusting structure, including two magnetic core strips, connecting body between two magnetic core strips and magnetic core tube body that is slidingly sealed and connected on the surface of magnetic core strip and connecting body, first heating tube body is provided on the magnetic core tube body, one end of the first heating tube body extends into the connecting body, the other end is connected with auxiliary adjusting mechanism, the auxiliary adjusting mechanism has the connecting body between two magnetic core strips in full state.

[0006] Preferably, the auxiliary adjusting mechanism comprises a storage cavity arranged at the upper end of the magnetic core tube, a sliding module with left and right sliding seals arranged in the storage cavity, and a second heating tube body detachably connected with the upper end of the first heating tube body, the upper end of the second heating tube body is in a closed state, the sliding module divides the storage cavity into two exhaust cavities and a movable cavity between the two exhaust cavities, and the upper end of the second heating tube body penetrates the storage cavity in sequence and extends out of the storage cavity, and the side wall of the second heating tube body is provided with a side hole and communicates with the movable cavity.

[0007] Preferably, the sliding module comprises a sliding plate in sliding seal with the storage cavity and an elastic piece between the sliding plate and the inner side wall of the storage cavity, and a guide rod is arranged and connected with the sliding plate, and the other end of the guide rod extends out of the storage cavity through the exhaust hole.

[0008] Preferably, the first heating tube body is provided with a sealing plate, a plurality of connecting holes are arranged in the circumferential direction of the sealing plate, and the lower end face of the second heating tube body is sealably attached above the connecting holes.

[0009] Preferably, the first heating tube body and the second heating tube body are electric heating tubes or high-temperature-resistant heat-conducting materials.

[0010] Preferably, the first heating tube body and the second heating tube body are threadedly connected or slidingly sealed.

[0011] Preferably, the connecting body is made of thermoplastic resin, the magnetic core strip and the magnetic core tube are made of manganese-zinc ferrite, and the melting point of the connecting body is lower than that of the magnetic core strip / magnetic core tube.

[0012] The utility model discloses have the beneficial effect that:

[0013] Compared with the prior art, the manganese-zinc ferrite magnetic core adjusting structure of the utility model, by setting up the auxiliary adjusting mechanism, the connecting body between the two magnetic core strips is always in a full state, the magnetic core strips are away from each other or close to each other to reduce the resistance, so as to adjust the air gap, and when the air gap needs to be increased again, the connecting body in the molten state can be sucked into the two magnetic core strips, so that the connecting body is always in a full state, and the magnetic core utilization rate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model.

[0015] Figure 2 It is Figure 1 It is the structure schematic diagram of the utility model.

[0016] Figure 3 It is Figure 2 It is the structure schematic diagram of the utility model.

[0017] Figure 4 Figure 2 is a schematic view of the structure of the second heating pipe body and the sealing plate.

[0018] Figure 5 Figure 3 is a schematic view of the enlarged structure at B in figure 2. Figure 4 Figure 4 is a schematic view of the enlarged structure at B in figure 3.

[0019] In the figure, 1 is a magnetic core strip, 2 is a connecting body, 3 is a magnetic core pipe body, 4 is a first heating pipe body, 41 is a sealing plate, 42 is a connecting hole, 5 is an auxiliary adjusting mechanism, 51 is a storage cavity, 511 is an exhaust cavity, 512 is a movable cavity, 52 is a sliding module, 521 is a sliding plate, 522 is an elastic piece, 523 is a guide rod, 524 is an exhaust hole, 53 is a second heating pipe body, 531 is a side hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0021] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0022] Referring to the drawings Figures 1-5 A manganese-zinc ferrite magnetic core adjusting structure, comprising two magnetic core strips 1, a connecting body 2 located between the two magnetic core strips 1, and a magnetic core pipe body 3 slidingly and sealingly connected to the surfaces of the magnetic core strips 1 and the connecting body 2, wherein the magnetic core pipe body 3 is provided with a first heating pipe body 4, one end of the first heating pipe body 4 extends into the connecting body 2, and the other end is connected with an auxiliary adjusting mechanism 5, the auxiliary adjusting mechanism 5 has the connecting body 2 between the two magnetic core strips 1 in a full state, so that the magnetic core strips 1 are away from or close to each other to reduce the resistance, so as to facilitate the adjustment of the air gap, and when it is needed to increase the air gap again, the connecting body 2 in a molten state can be sucked into between the two magnetic core strips 1, so that the connecting body 2 is always in a full state, which is convenient for fixing and improves the utilization rate of the magnetic core.

[0023] Specifically, the auxiliary adjusting mechanism 5 comprises a storage cavity 51 arranged at the upper end of the magnetic core tube body 3, a sliding module 52 arranged in the storage cavity 51 in a left-right sliding sealing manner, and a second heating tube body 53 detachably connected to the upper end of the first heating tube body 4, the upper end of the second heating tube body 53 is in a closed state, the storage cavity 51 is divided into two exhaust cavities 511 and an active cavity 512 located between the two exhaust cavities 511 by the sliding module 52, the upper end of the second heating tube body 53 penetrates the storage cavity 51 in sequence and extends out of the storage cavity 51, and the side wall of the second heating tube body 53 is provided with a side hole 531 and communicates with the active cavity 512.

[0024] When it is needed to increase the air gap, the second heating tube body 53 of the auxiliary adjusting mechanism 5 is connected to the upper end of the first heating tube body 4, the first heating tube body 4 and the second heating tube body 53 are heated, the connecting body 2 located between the two magnetic core strips 1 and the connecting body in the active cavity 512 are melted, and the two magnetic core strips 1 are pulled away from each other in a liquid state, at this time, the sliding modules 52 are close to each other, the exhaust cavities 511 are increased, the active cavity 512 is reduced, thereby reducing the resistance, and the connecting body located between the two magnetic core strips 1 flows to the two magnetic core strips 1 through the side hole 531, the second heating tube body 53 and the first heating tube body 4 in sequence, so that the connecting body 2 is in a full state, and the stability is improved after cooling.

[0025] When it is needed to reduce the air gap, the second heating tube body 53 of the auxiliary adjusting mechanism 5 is connected to the upper end of the first heating tube body 4, the first heating tube body 4 and the second heating tube body 53 are heated, the connecting body 2 located between the two magnetic core strips 1 and the connecting body in the active cavity 512 are melted, and the two magnetic core strips 1 are pushed close to each other in a liquid state, at this time, the sliding modules 52 are away from each other, the exhaust cavities 511 are reduced, the active cavity 512 is increased, thereby reducing the resistance, and the connecting body 2 located between the two magnetic core strips 1 is discharged into the active cavity 512 through the first heating tube body 4, the second heating tube body 53 and the side hole 531 in sequence, so that the connecting body 2 is in a full state, and the stability is improved after cooling.

[0026] The sliding module 52 comprises a sliding plate 521 in sliding sealing with the storage cavity 51 and an elastic element 522 located between the sliding plate 521 and the inner side wall of the storage cavity 51, the elastic element 522 is a spring, and a guide rod 523 is arranged and connected with the sliding plate 521, the other end of the guide rod 523 extends out of the storage cavity 51 through an exhaust hole 524, and the guide rod 523 plays a guiding role, and the exhaust hole 524 facilitates exhaust.

[0027] In the embodiment, in order to avoid the flow of the connecting body in the molten state, the magnetic core strip 1 with the adjusted air gap is in a stable state, the first heating pipe body 4 is provided with a sealing plate 41, the sealing plate 41 is provided with a plurality of connecting holes 42 in the circumferential direction, and the lower end surface of the second heating pipe body 53 is sealably attached above the connecting holes 42. At this time, the flow of the connecting body can be blocked by moving the second heating pipe body 53 to be attached to the connecting holes 42, and the auxiliary adjusting mechanism 5 can be taken out as a whole when cooled.

[0028] The first heating pipe body 4 and the second heating pipe body 53 are electric heating pipes or high-temperature-resistant heat-conducting materials.

[0029] The first heating pipe body 4 and the second heating pipe body 53 are threadedly connected or slidingly and sealingly connected.

[0030] The connecting body 2 is made of a thermoplastic resin, the magnetic core strip 1 and the magnetic core pipe body 3 are made of manganese-zinc ferrite, and the melting point of the connecting body 2 is lower than that of the magnetic core strip 1 and the magnetic core pipe body 3.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A manganese-zinc ferrite core adjustment structure, comprising two core bars (1), a connector (2) located between the two core bars (1), and a core tube (3) slidably and sealingly connected to the surfaces of the core bars (1) and the connector (2), characterized in that: The first heating pipe body (4) is arranged on the magnetic core pipe body (3), and one end of the first heating pipe body (4) extends into the connecting body (2), and the other end is connected with an auxiliary adjusting mechanism (5).

2. The Mn-Zn ferrite core adjusting structure according to claim 1, characterized in that: The auxiliary adjusting mechanism (5) comprises a storage cavity (51) arranged on the upper end of the magnetic core pipe body (3), a sliding module (52) arranged in the storage cavity (51) and left and right sliding sealing, and a second heating pipe body (53) which is detachably connected with the upper end of the first heating pipe body (4), and the upper end of the second heating pipe body (53) is in a closed state, the sliding module (52) divides the storage cavity (51) into two exhaust cavities (511) and an active cavity (512) located between the two exhaust cavities (511), and the upper end of the second heating pipe body (53) penetrates the storage cavity (51) in sequence and extends out of the storage cavity (51), and the side wall of the second heating pipe body (53) is provided with a side hole (531) and communicates with the active cavity (512).

3. The Mn-Zn ferrite core adjusting structure according to claim 2, characterized in that: The sliding module (52) comprises a sliding plate (521) which is slidingly sealed with the storage cavity (51), and an elastic member (522) which is located between the sliding plate (521) and the inner side wall of the storage cavity (51), and a guide rod (523) which is connected with the sliding plate (521), and the other end of the guide rod (523) extends out of the storage cavity (51) through an exhaust hole (524).

4. The Mn-Zn ferrite core adjusting structure according to claim 2, characterized in that: The first heating pipe body (4) is provided with a sealing plate (41), and a plurality of connecting holes (42) are arranged in the circumferential direction of the sealing plate (41), and the lower end surface of the second heating pipe body (53) is sealingly attached above the connecting hole (42).

5. The Mn-Zn ferrite core adjusting structure according to claim 2, characterized in that: The first heating pipe body (4) and the second heating pipe body (53) are electric heating pipes or high-temperature resistant heat-conducting materials.

6. The Mn-Zn ferrite core adjusting structure according to claim 2, characterized in that: The first heating pipe body (4) and the second heating pipe body (53) are threadedly connected or slidingly sealed.

7. The Mn-Zn ferrite core adjusting structure according to claim 1, characterized in that: The material of the connecting body (2) is thermoplastic resin, the material of the magnetic core strip (1) and the magnetic core pipe body (3) is manganese-zinc ferrite, and the melting point of the connecting body (2) is lower than that of the magnetic core strip (1) and the magnetic core pipe body (3).

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