CN219085774U

CN219085774U - Inductance with good magnetic shielding performance

Info

Publication number: CN219085774U
Application number: CN202222832482.XU
Authority: CN
Inventors: 钱孟会
Original assignee: Shenzhen Innova Technology Co ltd
Current assignee: Shenzhen Innova Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-26
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to the field of inductors, and discloses an inductor with good magnetic shielding property, which comprises an inductor; this kind of novel inductance that is applied to having good magnetic shielding nature, through setting up the shield cover, the pin of inductance is inserted in the base that is fixed with the dust plug, the spacing groove that sets up on stopper and the base is just butt-jointed this moment, then rotate the shield cover threaded connection on the screw thread circle, can make the inductance by the fixed very tight of shield cover and base centre gripping and not contact with the inductance through the fixed rubber block of shield cover inboard upper end, be fixed with the heat conduction film at the inner wall of shield cover, can spread the heat of inductance inside through the heat conduction and have reached good radiating effect, can increase the magnetic shielding nature of inductance through the shield cover, the hole that is used for wearing the pin is left to the base of inductance lower extreme, be fixed with the dust plug in the hole of base, can wrap up with the pin through the dust plug, and can prevent through the dust plug that the inductance from producing magnetism and adsorbing external dust and entering into the shield cover.

Description

Inductance with good magnetic shielding performance

Technical Field

The utility model relates to the field of inductors, in particular to an inductor with good magnetic shielding property.

Background

Among the prior art, an inductor as proposed in patent number CN207818337U, including electromagnetic shield casing, magnetic core, winding coil and pin, winding coil twines on the magnetic core, the magnetic core is established in electromagnetic shield casing, the pin is established in electromagnetic shield casing bottom, the winding line diagram is connected to the pin, be equipped with the heat dissipation inner shell between magnetic core and the shield casing, the interval is equipped with the new wind channel between heat dissipation inner shell and the electromagnetic shield casing: the inner wall of the heat dissipation inner shell is provided with heat absorption sheets; the beneficial effects are that: compared with the prior thought of radiating from the outside, the heat radiating device has the advantages that the heat radiating efficiency is improved from the internal structure of the product, so that the heat is easier to radiate from the outside, and the heat radiating efficiency is high.

However, the inductor is wound on the iron core through the coil of conductive material, magnetic field induction is generated in the coil, current passing through the coil is resisted through induced current, static magnetic and electromagnetic are generated when the inductor is used, mutation occurs in different magnetic fields, refraction of magnetic induction lines is caused, and the function is influenced; at present, the inductor can be influenced by the change of a magnetic field in the use process, the magnetic shielding property of the inductor is poor, and dust is easy to adsorb on the inductor through magnetism.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the inductor with good magnetic shielding property, so as to at least solve one of the problems of the background art, and the inductor has good magnetic shielding property and dustproof effect when in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the inductor with good magnetic shielding performance comprises an inductor, wherein a limiting block is fixed at the lower end of the inductor, a base is arranged at the lower end of the inductor, a limiting groove matched with the limiting block is formed in the base, a thread ring is fixed at the upper end of the base, a shielding cover is connected with the thread ring in a threaded manner, a rubber block is fixed on the upper end face of the inner side of the shielding cover, and a dust plug is fixed in a through hole in the base; the setting can not only increase magnetism shielding property through the shield cover to the inductance like this, and can prevent through the dust plug that magnetism from adsorbing in with the dust suction shield cover.

Preferably, the rubber block is arranged in a cylindrical shape; the heat inside the inductor can be dissipated through heat conduction, so that a good heat dissipation effect is achieved.

Preferably, a heat conducting film is fixed on the inner wall of the shielding cover; the heat inside the inductor can be dissipated through heat conduction, so that a good heat dissipation effect is achieved.

Preferably, the thickness of the limiting block is not smaller than the depth of the limiting groove; the base is not contacted with the lower end of the inductor during installation, so that the operation and the use of the inductor are not affected.

Preferably, the limit groove is rectangular; the base can be limited by the special shape of the rectangle when being installed, the rectangle has four right angles, and the rotation of the base can be limited by the shape of the rectangle after being installed and inserted.

Preferably, the cross section of the limiting block from top to bottom is also rectangular, and the limiting block is matched with the limiting groove; the limiting block is matched with the limiting groove, and is in butt joint with the limiting groove up and down in the mounting process, so that the limiting block can be limited to rotate.

Compared with the prior art, the utility model has the following beneficial effects:

this kind of novel inductance that is applied to having good magnetic shielding nature, through setting up the shield cover, the pin of inductance is inserted in the base that is fixed with the dust plug, the spacing groove that sets up on stopper and the base is just butt-jointed this moment, then rotate the shield cover threaded connection on the screw thread circle, can make the inductance by the fixed very tight of shield cover and base centre gripping and not contact with the inductance through the fixed rubber block of shield cover inboard upper end, be fixed with the heat conduction film at the inner wall of shield cover, can spread the heat of inductance inside through the heat conduction and have reached good radiating effect, can increase the magnetic shielding nature of inductance through the shield cover, the hole that is used for wearing the pin is left to the base of inductance lower extreme, be fixed with the dust plug in the hole of base, can wrap up with the pin through the dust plug, and can prevent through the dust plug that the inductance from producing magnetism and adsorbing external dust and entering into the shield cover.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic view of an overall structure of the present utility model;

FIG. 2 is a schematic view of the base of the present utility model in an expanded configuration;

FIG. 3 is a schematic diagram of a limiting groove structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of a shield according to the present utility model;

fig. 5 is a schematic view of the structure of the dust plug of the present utility model.

In the figure: 1. an inductance; 2. a base; 3. a shield; 4. a limiting block; 5. a thread ring; 6. a limit groove; 7. a rubber block; 8. a dust plug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an inductor with good magnetic shielding performance comprises an inductor 1, a limiting block 4 is fixed at the lower end of the inductor 1, a base 2 is arranged at the lower end of the inductor 1, a limiting groove 6 matched with the limiting block 4 is formed in the base 2, a thread ring 5 is fixed at the upper end of the base 2, a shielding cover 3 is connected to the thread ring 5 in a threaded manner, a rubber block 7 is fixed at the upper end face of the inner side of the shielding cover 3, and a dust plug 8 is fixed in a through hole in the base 2.

Specific working principle and implementation mode: the pin of the inductor 1 is inserted into the base 2 fixed with the dust plug 8, at the moment, the limiting block 4 is just connected with the limiting groove 6 formed in the base 2 in a butt joint mode, then the shielding cover 3 is in threaded connection with the threaded ring 5, the inductor 1 can be clamped and fixed tightly by the shielding cover 3 and the base 2 and is not in contact with the inductor 1 through the rubber block 7 fixed at the upper end of the inner side of the shielding cover 3, a heat conducting film is fixed on the inner wall of the shielding cover 3, heat inside the inductor 1 can be dissipated through heat conduction, the magnetic shielding performance of the inductor 1 can be increased through the shielding cover 3, and therefore the shielding effect can be increased through the shielding cover 3 on the inductor 1, and dust can be prevented from being sucked into the shielding cover 3 through magnetic adsorption by the dust plug 8.

As shown in fig. 4, the rubber block 7 is in a cylindrical shape, so that the rotation of the shielding cover 3 can be facilitated when the shielding cover 3 is installed, the friction force with the upper end of the inductor 1 is reduced, and the inductor 1 can be more stably fixed between the shielding cover 3 and the base 2 through the elasticity of the rubber block 7; the pin of the inductor 1 is inserted into the base 2 fixed with the dust plug 8, at the moment, the limiting block 4 is just connected with the limiting groove 6 formed in the base 2 in a butt joint mode, then the shielding cover 3 is in threaded connection and rotates on the threaded ring 5, the inductor 1 can be clamped and fixed tightly by the shielding cover 3 and the base 2 and is not contacted with the inductor 1 through the rubber block 7 fixed at the upper end of the inner side of the shielding cover 3, a heat conducting film is fixed on the inner wall of the shielding cover 3, and the heat inside the inductor 1 can be dissipated through heat conduction, so that a good heat dissipation effect is achieved.

As shown in fig. 4, the inner wall of the shielding case 3 is fixed with a heat conducting film, and the inner wall of the shielding case 3 is fixed with a heat conducting film, so that heat inside the inductor 1 can be dissipated through heat conduction, and a good heat dissipation effect is achieved.

As shown in fig. 2 and 3, the thickness of the limiting block 4 is not less than the depth of the limiting groove 6, and the thickness of the limiting block 4 is not less than the depth of the limiting groove 6, so that the base 2 is not contacted with the lower end of the inductor 1 during installation, and the operation and the use of the inductor 1 are not affected.

As shown in fig. 2 and 3, the limit groove 6 is rectangular, and the limit groove 6 is rectangular so as to be limited by the unique shape of the rectangle when being installed, the rectangle has four right angles, and the rotation of the base 2 can be limited by the shape of the rectangle after being installed and inserted.

As shown in fig. 2 and 3, the cross section of the limiting block 4 from top to bottom is also rectangular, and is matched with the limiting groove 6; the limiting block 4 and the limiting groove 6 are matched, and the limiting block 4 and the limiting groove 6 are in up-down butt joint when being installed, so that the rotation of the limiting block can be limited.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an inductance with good magnetic shielding, includes inductance (1), its characterized in that, the lower extreme of inductance (1) is fixed with stopper (4), the lower extreme of inductance (1) is provided with base (2), offered spacing groove (6) with stopper (4) matching on base (2), base (2) upper end is fixed with screw thread circle (5), threaded connection has shield cover (3) on screw thread circle (5), the inboard up end of shield cover (3) is fixed with rubber piece (7), perforation internal fixation on base (2) has dust plug (8).

2. An inductor with good magnetic shielding according to claim 1, characterized in that the rubber block (7) is cylindrically shaped.

3. An inductor with good magnetic shielding according to claim 1 or 2, characterized in that the inner wall of the shielding cage (3) is fixed with a heat conducting film.

4. An inductor with good magnetic shielding according to claim 1 or 2, characterized in that the thickness of the stopper (4) is not smaller than the depth setting of the stopper groove (6).

5. An inductor with good magnetic shielding according to claim 3, characterized in that the thickness of the stopper (4) is not smaller than the depth setting of the stopper groove (6).

6. An inductor with good magnetic shielding according to claim 1, 2 or 5, characterized in that the limit slot (6) is rectangular.

7. An inductor with good magnetic shielding according to claim 3, characterized in that the limit slot (6) is rectangular.

8. An inductor with good magnetic shielding according to claim 4, characterized in that the limit slot (6) is rectangular.

9. An inductor with good magnetic shielding according to claim 1, 2, 5, 7 or 8, characterized in that the cross-section of the stopper (4) from top to bottom is rectangular in shape and matches the stopper groove (6).