CN214476818U

CN214476818U - Inductor

Info

Publication number: CN214476818U
Application number: CN202120844282.9U
Authority: CN
Inventors: 向文; 彭龙焕; 李杜娟
Original assignee: Dongguan Yongcheng Electronics Co ltd
Current assignee: Dongguan Yongcheng Electronics Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-22
Anticipated expiration: 2031-04-23

Abstract

The application relates to the technical field of inductors, in particular to an inductor which comprises a framework, two magnetic cores and a fixing assembly, wherein the framework comprises a barrel body and two extending parts, the two sides of the barrel body are provided with openings, the extending parts are arranged in an annular shape, the two extending parts are respectively fixed on the two sides of the opening of the barrel body, one surface of the magnetic core is provided with a mounting groove, the outer contour of the mounting groove is the same as that of the extending parts, the extending parts are in clamping fit with the mounting groove, the side wall of the magnetic core is provided with a position-giving opening, and the position-giving opening is communicated with the mounting groove; the fixing component comprises a plurality of elastic convex points, the wall of the mounting groove is provided with a plurality of clamping grooves, the elastic convex points are fixed on the outer wall of the extending part, and the elastic convex points are in clamping fit with the clamping grooves; the utility model discloses an advantage that has the life of extension inductor.

Description

Inductor

Technical Field

The application relates to the technical field of inductors, in particular to an inductor.

Background

Inductors (inductors), also called chokes, reactors, dynamic reactors, are components that can convert electrical energy into magnetic energy and store it. The inductor is similar in structure to a transformer, but has only one winding. The inductor has an inductance that only impedes the change in current.

In the correlation technique, an inductor, including skeleton and two magnetic cores, two magnetic cores clamping skeleton both sides, the lateral wall of magnetic core is seted up and is supplied the line to wind the mouth of stepping down that goes out, and the outside of two magnetic cores is around being equipped with multilayer sticky tape, and the sticky tape is used for fixed skeleton and magnetic core to make the inductor shaping.

With respect to the above-described related art, the inventors consider that the following problems exist: the inductor can generate heat in the working process, the inductor is fixed in a mode of being coated by the adhesive tape, the heat dissipation type of the inductor is influenced to a certain extent, the service life of the inductor is indirectly shortened, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the service life of the inductor, the application provides the inductor.

The inductor provided by the application adopts the following technical scheme:

an inductor comprises a framework, two magnetic cores and a fixing assembly, wherein the framework comprises a barrel body and two extending parts, the two sides of the barrel body are provided with openings, the extending parts are annularly arranged, the two extending parts are respectively fixed on the two sides of the opening of the barrel body, one surface of the magnetic core is provided with a mounting groove, the outer contour of the mounting groove is the same as that of the extending part, the extending part is in clamping fit with the mounting groove, the side wall of the magnetic core is provided with a position-giving opening, and the position-giving opening is communicated with the mounting groove;

the fixed subassembly includes a plurality of elasticity bumps, a plurality of draw-in grooves have been seted up to the cell wall of mounting groove, and is a plurality of the elasticity bump is fixed in the outer wall of epitaxial portion, elasticity bump and draw-in groove joint cooperation.

By adopting the technical scheme, during installation, the extension part is inserted into the installation groove, when the extension part is inserted, the elastic convex points positioned on the extension part are abutted against the groove wall of the installation groove to generate elastic deformation, when the elastic convex points enter the positions of the clamping grooves, the elastic convex points are clamped into the clamping grooves under the action of elastic restoring force, and then the fixation between the magnetic core and the framework is realized; foretell operation mode compares with the sticky tape is fixed for inside and external intercommunication of inductor through the effect of letting the position mouth, and then can carry out gas exchange, can make more heat that the inductor sent flow from letting the position mouth, strengthened the thermal diffusivity of inductor, and then indirectly prolonged the life of inductor.

Preferably, the thickness of the elastic bump is set to be between 1mm and 2 mm.

Through adopting above-mentioned technical scheme, if the thickness of elasticity bump is less than 1mm, then the connection of elasticity bump and draw-in groove is stable not high, and the elasticity bump is deviate from the draw-in groove easily, if the thickness of elasticity bump is higher than 2mm, then extension when inserting the mounting groove, the elasticity bump is because of too thick and difficult putting into the mounting groove in, so the thickness of elasticity bump sets up to best between 1mm to 2 mm.

Preferably, the edge of the extension part is rounded.

Through adopting above-mentioned technical scheme, the edge of extension is the fillet setting, and when extension inserted the mounting groove with the angle of slight slope, this fillet had played the guide effect to adjust extension male angle, and then improved the fault-tolerant rate of being connected between extension and the installation.

Preferably, the cross section of the mounting groove is polygonal, and each outer wall of the extending portion is abutted to each groove wall of the mounting groove.

Through adopting above-mentioned technical scheme, the cross-section of mounting groove is the polygon setting, and each outer wall of extension and each cell wall looks butt of mounting groove, and then has played limiting displacement, has reduced the magnetic core and has taken place the coaxial pivoted condition with the skeleton, has improved the connection stability between magnetic core and the skeleton.

Preferably, the surface of the magnetic core, which faces away from the framework, is provided with a heat dissipation coating.

Through adopting above-mentioned technical scheme, the heat dissipation coating is used for reducing the temperature on magnetic core surface, has further strengthened the heat-sinking capability of this inductor.

Preferably, the fixed subassembly includes two elastic sleeve rings and an elastic clamping hook, be provided with the cylinder in the mounting groove, the cylinder cooperates with the inside grafting of skeleton, two the outer wall of cylinder is located to the elastic sleeve ring cover, the lateral wall of one of them elastic sleeve ring is fixed in to the elastic clamping hook, another the lateral wall of the elastic sleeve ring has been seted up and has been colluded the groove, the elastic clamping hook with collude the cooperation of holding the groove joint.

Through adopting above-mentioned technical scheme, during the installation, arrange the skeleton in two cylinders in the middle of, two magnetic cores lean on to close, the elasticity pothook inserts to the draw-in groove in to collude with the cell wall of draw-in groove and hold the cooperation, and then realized the fixed between two magnetic cores and the skeleton.

Preferably, the elastic hook and the elastic lantern ring are integrally formed.

By adopting the technical scheme, the elastic clamping hook and the elastic lantern ring are integrally formed, so that the elastic clamping hook and the elastic lantern ring can be formed by the same die, and the necessity of separately processing the elastic clamping hook and the elastic lantern ring is further reduced.

Preferably, the outer wall of the cylinder is provided with a limiting groove, and the elastic sleeve ring is in clamping fit with the limiting groove.

Through adopting above-mentioned technical scheme, the cooperation of elastic sleeve ring and spacing groove joint has further injectd the motion of elastic sleeve ring on along self axis to elastic acting force through the cooperation elastic sleeve ring, in order to further improve the stability of being connected of elastic sleeve ring and magnetic core.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inductor has good heat dissipation performance, so that the service life of the inductor can be prolonged;

2. the inductor has a simple structure and is convenient to mount;

3. the inductor has a stable structure and can maintain a good working state.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.

Fig. 2 is an exploded view of example 1 of the present application.

Fig. 3 is an exploded view of example 2 of the present application.

Description of reference numerals: 1. a framework; 11. a barrel; 12. an extension portion; 13. a winding seat; 131. a base body; 132. a pin; 2. a magnetic core; 21. mounting grooves; 211. a cylinder; 2111. a limiting groove; 22. a let position port; 23. a port; 24. a card slot; 3. a fixing assembly; 31. elastic salient points; 32. an elastic collar; 321. hooking and holding the groove; 33. an elastic hook.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Example 1:

the embodiment of the application discloses an inductor. Referring to fig. 1 and 2, an inductor includes a bobbin 1, two magnetic cores 2, and a fixing assembly 3 (referring to fig. 3), where the bobbin 1 is used for winding a coil, and the magnetic cores 2 are used for storing energy, filtering, and oscillating.

Specifically, skeleton 1 includes barrel 11, two extension 12 and wire winding seat 13, and the cavity setting is personally submitted to the both sides of barrel 11, and the coil can be around establishing to the outer wall of barrel 11, and extension 12 is cyclic annular setting, and the interior limit of extension 12 with the outside coincidence of barrel 11. The winding seat 13 includes a seat body 131 and pins 132, the seat body 131 is in a block shape, the winding seat 13 is disposed at the bottom of the barrel 11, the seat body 131, the barrel 11 and the outer extension portion 12 are integrally disposed, so that the framework 1 is processed, the pins 132 are perpendicularly disposed on the lower surface of the seat body 131, and the pins 132 are used for winding the end of the coil to take up the coil.

Magnetic core 2 is cubic setting, and two magnetic cores 2 are the symmetry setting about skeleton 1, and mounting groove 21 has been seted up towards one side of skeleton 1 to magnetic core 2, and the tank bottom integrated into one piece of mounting groove 21 has cylinder 211, and cylinder 211 is perpendicular with mounting groove 21, and the bore of cylinder 211 is less than the internal diameter of barrel 11, and cylinder 211 is pegged graft with barrel 11 and is cooperated, and the terminal surface butt cooperation of the cylinder 211 on two magnetic cores 2. In addition, the edge of extension portion 12 is the fillet setting, and the outside profile of mounting groove 21 is the same with the outside profile of extension portion 12, and extension portion 12 and mounting groove 21 are pegged graft and are cooperated, and when extension portion 12 inserted mounting groove 21 with the angle of slight slope, this fillet had played the guide effect to the angle of adjustment extension portion 12 male, and then improved the fault-tolerant rate of being connected between extension portion 12 and the installation.

Furthermore, the cross-section of mounting groove 21 is the polygon setting, and each outer wall of extension 12 and each cell wall looks butt of mounting groove 21, and then has played limiting displacement, has reduced magnetic core 2 and the condition that the skeleton 1 takes place coaxial rotation, has improved the connection stability between magnetic core 2 and the skeleton 1.

A lateral wall of magnetic core 2 has all been seted up and has been let a mouthful 22, lets a mouthful 22 can supply the reel 13 to wear out, and opening 23 has been seted up to another relative lateral wall of magnetic core 2, and opening 23 and let a mouthful 22 all communicate with mounting groove 21 to make the inside air current of inductor interact with the external world, in order to play the radiating action. In addition, the surface of the magnetic core 2 facing away from the framework 1 is provided with a heat dissipation coating, in this embodiment, the heat dissipation coating is formed by coating an existing heat dissipation coating, which is not described herein in detail, and the heat dissipation coating is used for reducing the temperature on the surface of the magnetic core 2, so that the heat dissipation capability of the inductor is further enhanced.

Specifically, the fixing assembly 3 includes a plurality of elastic bumps 31, in this embodiment, the elastic bumps 31 are two, the two elastic bumps 31 are respectively fixed on two outer walls of the outer extension portion 12, in this embodiment, the elastic bumps 31 and the outer extension portion 12 are integrally formed, and the elastic bumps 31 are made of plastic with certain elasticity. Meanwhile, the groove wall opposite to the mounting groove 21 is provided with a clamping groove 24 corresponding to the elastic salient point 31, and the elastic salient point 31 is in clamping fit with the clamping groove 24.

In addition, the thickness of the elastic bump 31 is set to be between 1mm and 2mm, if the thickness of the elastic bump 31 is less than 1mm, the connection stability between the elastic bump 31 and the card slot 24 is not high, the elastic bump 31 is easy to be separated from the card slot 24, if the thickness of the elastic bump 31 is more than 2mm, when the extension portion 12 is inserted into the mounting groove 21, the elastic bump 31 is difficult to be placed into the mounting groove 21 due to being too thick, and in this embodiment, the thickness of the elastic bump 31 is 1.5 mm.

The implementation principle of an inductor in the embodiment of the present application is as follows: when the magnetic core 2 is installed, the extension part 12 is inserted into the installation groove 21, the elastic salient point 31 positioned on the extension part 12 is abutted against the groove wall of the installation groove 21 to generate elastic deformation when the extension part 12 is inserted, and when the elastic salient point 31 enters the position of the clamping groove 24, the elastic salient point 31 is clamped into the clamping groove 24 under the action of elastic restoring force, so that the magnetic core 2 is fixed with the framework 1; foretell operation mode compares with the sticky tape is fixed for inside and external intercommunication of inductor through letting the effect of position mouth 22 and through opening 23, and then can carry out gas exchange, can make more heat that the inductor sent flow out from letting the position mouth 22, strengthened the thermal diffusivity of inductor, and then indirectly prolonged the life of inductor.

Example 2:

referring to fig. 3, the difference from embodiment 1 is that the fixing assembly 3 includes two elastic collars 32 and an elastic hook 33, the elastic collars 32 are annularly disposed, in this embodiment, the elastic collars 32 are made of rubber with certain elasticity, the outer wall of the cylinder 211 is provided with a limiting groove 2111, the limiting groove 2111 is annularly disposed, the elastic collars 32 are sleeved on the outer wall of the cylinder 211 and are in snap fit with the limiting groove 2111, so as to limit the movement of the elastic collars 32 along the axial direction of the cylinder 211, and improve the connection stability of the elastic collars 32 and the cylinder 211.

The elastic hook 33 is fixed perpendicular to the end surface of one of the elastic sleeves 32, in this embodiment, the elastic hook 33 and the elastic sleeve 32 are integrally formed, meanwhile, the other elastic sleeve 32 has a hooking groove 321 towards the end surface of the elastic hook 33, the cross section of the hooking groove 321 is in an L-shaped configuration, the elastic hook 33 and the hooking groove 321 are in clamping fit, and thus the two elastic sleeves 32 are fixed.

The principle of embodiment 2 of the present application is substantially the same as that of embodiment 1, and will not be described herein.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An inductor, characterized by: the magnetic core structure comprises a framework (1), two magnetic cores (2) and a fixing assembly (3), wherein the framework (1) comprises a barrel body (11) and two outer extending portions (12), the two sides of the barrel body (11) are provided with openings, the outer extending portions (12) are arranged in an annular mode, the two outer extending portions (12) are respectively fixed on the two sides of the opening of the barrel body (11), one surface of the magnetic core (2) is provided with a mounting groove (21), the outer contour of the mounting groove (21) is the same as that of the outer extending portions (12), the outer extending portions (12) are in clamping fit with the mounting groove (21), the side wall of the magnetic core (2) is provided with a position yielding opening (22), and the position yielding opening (22) is communicated with the mounting groove (21);

fixed subassembly (3) include a plurality of elasticity bumps (31), a plurality of draw-in grooves (24) have been seted up to the cell wall of mounting groove (21), and are a plurality of elasticity bump (31) are fixed in the outer wall of extension portion (12), elasticity bump (31) and draw-in groove (24) joint cooperation.

2. An inductor according to claim 1, characterized in that: the thickness of the elastic salient point (31) is set to be between 1mm and 2 mm.

3. An inductor according to claim 1, characterized in that: the edge of the extension part (12) is arranged in a round angle mode.

4. An inductor according to claim 1, characterized in that: the cross section of the mounting groove (21) is arranged in a polygonal shape, and each outer wall of the extending portion (12) is abutted to each groove wall of the mounting groove (21).

5. An inductor according to claim 1, characterized in that: and a heat dissipation coating is arranged on the surface of the magnetic core (2) back to the framework (1).

6. An inductor according to claim 1, characterized in that: fixed subassembly (3) include two elastic sleeve ring (32) and an elasticity pothook (33), be provided with cylinder (211) in mounting groove (21), cylinder (211) and the cooperation of pegging graft of the inside of skeleton (1), two the outer wall of cylinder (211) is located to elasticity lantern ring (32) cover, elasticity pothook (33) are fixed in the lateral wall of one of them elastic sleeve ring (32), another the lateral wall of elasticity lantern ring (32) has been seted up and has been colluded and hold groove (321), elasticity pothook (33) with collude and hold groove (321) joint cooperation.

7. An inductor according to claim 6, characterized in that: the elastic hook (33) and the elastic lantern ring (32) are integrally formed.

8. An inductor according to claim 6, characterized in that: the outer wall of the column body (211) is provided with a limiting groove (2111), and the elastic sleeve ring (32) is in clamping fit with the limiting groove (2111).