CN214203368U

CN214203368U - Nanocrystalline magnetic ring shell capable of improving extrusion deformation resistance

Info

Publication number: CN214203368U
Application number: CN202120403297.1U
Authority: CN
Inventors: 李一晗
Original assignee: Guangzhou Magnetics Co ltd
Current assignee: Guangzhou Magnetics Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-09-14
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a nanocrystalline magnetic ring technical field just discloses an improve nanocrystalline magnetic ring shell of anti extrusion deformability, including integral casing down, the mounting groove has been seted up to the lateral wall of integral casing upside down, be provided with annular plain film apron in the mounting groove, annular plain film apron closely laminates with the cell wall of mounting groove, the lateral wall of annular plain film apron upside flushes with the lateral wall of integral casing upside down, annular plain film apron is the same with the material of integral casing down. The utility model discloses can effectual improvement magnetic ring shell the resistance to deformation performance, avoid the problem of magnetic ring shell deformation extrusion magnetic core.

Description

Nanocrystalline magnetic ring shell capable of improving extrusion deformation resistance

Technical Field

The utility model relates to a nanocrystalline magnetic ring technical field especially relates to an improve nanocrystalline magnetic ring shell of anti extrusion deformability.

Background

The nanocrystalline magnetic ring filters the common mode current in the circuit by converting the common mode current into a heat dissipation consumption mode, and along with the rapid development of electronic circuits, the problems of EMC, common mode current and the like in the electronic circuits are also more and more emphasized by people.

The existing magnetic ring shell adopts a structure that an upper shell and a lower shell are buckled, but the space of the installation environment of the nanocrystalline magnetic ring is usually very narrow and small when the nanocrystalline magnetic ring is used, so that the thickness of the shell of the nanocrystalline magnetic ring shell needs to be reduced as much as possible in order to ensure the normal installation of the nanocrystalline magnetic ring, and the thickness is the whole thickness of the upper shell, so that the thickness of the upper shell and the lower shell is smaller, but because a copper wire needs to be wound outside the magnetic ring shell, the thickness of the shell of the existing nanocrystalline magnetic ring is smaller, so that the shell can deform to a certain degree under the pressure of the copper wire, and when the deformed magnetic ring shell extrudes a magnetic core, the performance of the magnetic core can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the deformation resistance of the magnetic ring shell is poor so that the magnetic ring is extruded in the prior art, and providing a nanocrystalline magnetic ring shell with improved extrusion deformation resistance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an improve nanocrystalline magnetic ring shell of anti extrusion deformability, includes integral casing down, the mounting groove has been seted up to the lateral wall of integral casing upside down, be provided with annular plain film apron in the mounting groove, annular plain film apron closely laminates with the cell wall of mounting groove, the lateral wall of annular plain film apron upside flushes with the lateral wall of integral casing upside down, annular plain film apron is the same with the material of integral casing down.

Preferably, the inner wall of the integral lower shell is fixedly connected with four clamping strips, the four clamping strips are uniformly distributed on the inner wall of the integral shell, and the lower ends of the clamping strips are conical.

Preferably, the groove wall of the lower side of the mounting groove is symmetrically and fixedly connected with positioning clamping blocks, the side wall of the lower side of the annular flat cover plate is symmetrically provided with two positioning clamping grooves corresponding to the positioning clamping blocks, and the two positioning clamping blocks are respectively inserted into the two positioning clamping grooves.

Preferably, the side wall of the upper side of the annular flat cover plate is fixedly connected with two L-shaped buckling plates, and the orientations of the two L-shaped buckling plates are opposite.

Preferably, the side wall of the lower side of the annular flat cover plate is fixedly connected with an annular rubber gasket.

Preferably, the integral lower shell has a wall thickness equal to the thickness of the annular flat cover plate.

Compared with the prior art, the utility model provides an improve nanocrystalline magnetic ring shell of anti extrusion deformability possesses following beneficial effect:

according to the nanocrystalline magnetic ring shell capable of improving the extrusion deformation resistance, through the integral lower shell, the installation groove and the annular flat cover plate, when the nanocrystalline magnetic ring shell is used, compared with a structure (shown in figure 1) that an upper cover of a traditional shell covers a lower cover, originally, a thick wall formed by overlapping a thin wall of the upper cover and a thin wall of the lower cover is changed into an integral thick wall, the shell strength is increased, meanwhile, the upper cover is changed into an annular flat structure, the annular flat cover plate can prevent an opening of the lower cover from extruding towards a magnetic core when stressed, and a finite element simulation analysis result of a computer shows that the deformation of the shell of the traditional structure is 0.0402 mm under the same stress condition; under the equal atress condition, the deflection of novel structure shell is 0.0363 millimeters, compares in traditional structure shell, and the deflection reduces 9.7015%, so can the effectual anti deformability who improves the magnetic ring shell, has avoided the problem of magnetic ring shell deformation extrusion magnetic core.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the resistance to deformation performance that can effectual improvement magnetic ring shell has avoided the problem of magnetic ring shell deformation extrusion magnetic core.

Drawings

FIG. 1 is a schematic view of a conventional nanocrystalline magnetic ring housing;

fig. 2 is a schematic structural diagram of a nanocrystalline magnetic ring casing for improving the anti-extrusion deformation capability of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 1.

In the figure: 1 integral lower casing, 2 mounting grooves, 3 annular plain film cover plates, 4 clamping strips, 5 positioning clamping blocks, 6 positioning clamping grooves, 7L-shaped pinch plates and 8 annular rubber gaskets.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a nanocrystalline magnetic ring shell for improving extrusion deformation resistance comprises an integral lower shell 1, wherein a mounting groove 2 is formed in the side wall of the upper side of the integral lower shell 1, an annular flat cover plate 3 is arranged in the mounting groove 2, the annular flat cover plate 3 is tightly attached to the groove wall of the mounting groove 2, the side wall of the upper side of the annular flat cover plate 3 is flush with the side wall of the upper side of the integral lower shell 1, the annular flat cover plate 3 and the integral lower shell 1 are made of the same material, compared with a structure (shown in fig. 1) of a traditional shell in which an upper cover covers a lower cover, when in use, a thick wall formed by overlapping an upper cover thin wall and a lower cover thin wall is changed into an integral thick wall, so that the strength of the shell is increased, the upper cover is changed into an annular flat structure, and the annular flat cover plate 3 can prevent the lower cover opening from extruding towards a magnetic core when being stressed, the computer finite element simulation analysis result shows that under the same stress condition, the deformation of the shell of the traditional structure is 0.0402 mm; under the equal atress condition, the deflection of novel structure shell is 0.0363 millimeters, compares in traditional structure shell, and the deflection reduces 9.7015%, so can the effectual anti deformability who improves the magnetic ring shell, has avoided the problem of magnetic ring shell deformation extrusion magnetic core.

The inner wall fixedly connected with of integral casing 1 down blocks strip 4, four block strip 4 evenly distributed in the inner wall of integral casing 1, the lower extreme of blocking strip 4 is the toper.

The groove wall of the lower side of the mounting groove 2 is symmetrically and fixedly connected with positioning fixture blocks 5, the side wall of the lower side of the annular plain film cover plate 3 is symmetrically provided with two positioning clamp grooves 6 corresponding to the positioning fixture blocks 5, and the two positioning fixture blocks 5 are respectively inserted into the two positioning clamp grooves 6, so that the mounting stability of the annular plain film cover plate 3 can be improved.

The lateral wall fixedly connected with two L type buckle 7 of the 3 upside of annular plain film apron, two the orientation of L type buckle 7 is opposite, is convenient for take off annular plain film apron 3.

The side wall of the lower side of the annular flat sheet cover plate 3 is fixedly connected with an annular rubber gasket 8, so that the stability of the magnetic core is improved.

The wall thickness of the integral lower shell 1 is the same as that of the annular flat cover plate 3.

In the utility model, when in use, compared with the structure that the upper cover of the traditional shell covers the lower cover (as shown in figure 1), the thick wall formed by overlapping the thin wall of the upper cover and the thin wall of the lower cover is changed into the integral thick wall, the strength of the shell is increased, meanwhile, the upper cover is changed into the annular flat sheet type structure, the annular flat sheet cover plate 3 can prevent the magnetic core from extruding in the opening of the lower cover when in stress, the result of finite element simulation analysis of the computer shows that under the same stress condition, the deformation of the shell of the traditional structure is 0.0402 mm; under the equal atress condition, the deflection of novel structure shell is 0.0363 millimeters, compares in traditional structure shell, and the deflection reduces 9.7015%, so can the effectual anti deformability who improves the magnetic ring shell, has avoided the problem of magnetic ring shell deformation extrusion magnetic core.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an improve nanocrystalline magnetic ring shell of anti extrusion deformation ability, includes integral casing (1) down, its characterized in that, mounting groove (2) have been seted up to the lateral wall of integral casing (1) upside down, be provided with annular plain film apron (3) in mounting groove (2), the slot wall of annular plain film apron (3) and mounting groove (2) closely laminates, the lateral wall of annular plain film apron (3) upside flushes with the lateral wall of integral casing (1) upside down, annular plain film apron (3) are the same with the material of integral casing (1) down.

2. The nanocrystalline magnetic ring casing for improving the extrusion deformation resistance as claimed in claim 1, wherein the inner wall of the integral lower casing (1) is fixedly connected with four clamping strips (4), the four clamping strips (4) are uniformly distributed on the inner wall of the integral lower casing (1), and the lower ends of the clamping strips (4) are tapered.

3. The nanocrystalline magnetic ring shell with the improved extrusion deformation resistance as claimed in claim 1, wherein the wall of the lower side of the mounting groove (2) is symmetrically and fixedly connected with a positioning fixture block (5), the wall of the lower side of the annular flat cover plate (3) is symmetrically provided with two positioning fixture grooves (6) corresponding to the positioning fixture blocks (5), and the two positioning fixture blocks (5) are respectively inserted into the two positioning fixture grooves (6).

4. The nanocrystalline magnetic ring casing for improving the extrusion deformation resistance as claimed in claim 1, wherein two L-shaped buckling plates (7) are fixedly connected to the side wall of the upper side of the annular flat cover plate (3), and the orientations of the two L-shaped buckling plates (7) are opposite.

5. The nanocrystalline magnetic ring casing for improving the extrusion deformation resistance as claimed in claim 1, wherein an annular rubber gasket (8) is fixedly connected to the side wall of the lower side of the annular flat cover plate (3).

6. The nanocrystalline magnetic ring casing for improving the extrusion deformation resistance as claimed in claim 1, wherein the wall thickness of the integral lower shell (1) is the same as that of the annular flat cover plate (3).