CN217280392U - Coil skeleton and magnetic material's integrated configuration and inductor - Google Patents

Abstract

The utility model discloses a combined structure of a coil framework and a magnetic material, which comprises a magnetic core and a framework main body for winding a coil, wherein the framework main body is symmetrically connected with a first elastic buckle and a second elastic buckle, and pins are arranged on the first elastic buckle and the second elastic buckle; the magnetic core is cylindrical, an annular sinking groove for accommodating the framework main body is formed in the end face of one side of the magnetic core, a first opening and a second opening are formed in the magnetic core, and the first elastic buckle and the second elastic buckle are abutted against the end face of the magnetic core; the framework main body, the first elastic buckle and the second elastic buckle are all completely positioned in the projection range of the outer diameter of the magnetic core; compared with the prior art, the utility model discloses a set up the connected mode of new skeleton main part and magnetic core for the skeleton main part firmly is connected skeleton main part and magnetic core under the condition that the skeleton main part does not surpass the magnetic core external diameter, makes the magnetic core be connected more firmly with the skeleton main part after first elasticity buckle and the resilience of second elasticity buckle moreover, reduces and rocks each other.

Description

Coil skeleton and magnetic material's integrated configuration and inductor

Technical Field

The utility model relates to an electron field, concretely relates to be a coil skeleton and magnetic material's integrated configuration and inductor.

Background

Commercially available inductors are typically comprised of a magnetic core, a bobbin, and a wound coil. For some products with special structures, the coil needs to be installed in a cylindrical structure, so that the pins on the coil bobbin cannot exceed the diameter of the magnetic core. This makes it difficult to assemble the coil bobbin in combination with the core made of ferrite material.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a coil skeleton and magnetic material's integrated configuration and inductor, its magnetic and coil skeleton preparation difficulty's that can solve and mention in the background art technical problem.

In order to achieve the above purpose, the solution of the utility model is:

a combined structure of a coil framework and a magnetic material comprises a magnetic core and a framework main body used for winding a coil, wherein the framework main body is symmetrically connected with a first elastic buckle and a second elastic buckle which are made of plastic materials, and pins are arranged at one ends of the first elastic buckle and the second elastic buckle far away from the framework main body; the magnetic core is cylindrical, an annular sinking groove for accommodating the framework main body is formed in the end face of one side of the magnetic core, one end of the framework main body abuts against the bottom face of the annular sinking groove, a first opening and a second opening through which a first elastic buckle and a second elastic buckle respectively pass are formed in the magnetic core, and the ends, provided with pins, of the first elastic buckle and the second elastic buckle abut against the end face, away from the annular sinking groove, of the magnetic core; skeleton main part, first elasticity buckle and second elasticity buckle all are located completely the outer diameter of magnetic core is along the projection scope of axial direction.

Further, the depth of the annular sinking groove is equal to the distance between the two end faces of the framework main body.

Further, the first elastic buckle and the second elastic buckle respectively comprise a connecting part and a butting part, the connecting part is connected with the framework main body, and the butting part is connected to one end, far away from the framework main body, of the connecting part; the abutting part abuts against the end face of the magnetic core, and the pin is formed on one side, away from the magnetic core, of the abutting part.

Furthermore, each abutting portion is respectively provided with two pins.

Further, the PCB board is arranged between the two pins on the same abutting part.

Further, an arc yielding part is formed on the outer side of the abutting part, and a yielding chamfer is formed at the lower end of the inner side of the abutting part.

Furthermore, a wire groove for a wire to pass through is formed on the outer side of the connecting part.

Further, the connecting part is L-shaped, and a connecting plane is formed at the joint of the framework main body and the connecting part.

Further, the one end that first elasticity buckle and second elasticity buckle were kept away from to the skeleton main part is formed with the breach, the position of breach in the skeleton main part corresponds first elasticity buckle or the setting of second elasticity buckle.

An inductor comprises a combined structure of a coil skeleton and a magnetic material.

After the structure of the oil-gas separator is adopted, the utility model relates to a coil skeleton and magnetic material's integrated configuration and inductor, it has following beneficial effect at least:

firstly, during the equipment, will first elasticity buckle and the outside bending deformation of second elasticity buckle pack into the magnetic core, and first elasticity buckle and second elasticity buckle kick-back realize the firm connection of skeleton main part and magnetic core. Because be provided with first opening and second opening on the magnetic core, the finished product's of after the equipment maximum external diameter is the external diameter of magnetic core. Moreover, the magnetic core and the framework main body are firmer under the action of resilience of the first elastic buckle and the second elastic buckle, and the occurrence of mutual shaking is reduced.

And secondly, the first elastic buckle and the second elastic buckle respectively comprise a connecting part and a butting part, the connecting part mainly deforms when the first elastic buckle and the second elastic buckle are broken off, and after rebounding, the butting part butts against the end face of the magnetic core. The arc-shaped position-giving part is arranged on the outer side of the abutting part, so that the abutting part has enough strength, and the outer wall of the abutting part cannot exceed the projection range of the magnetic core.

And thirdly, a yielding chamfer is formed at the lower end of the inner side of the abutting part, so that when the first elastic buckle and the second elastic buckle deform outwards, the distance between the lower ends of the inner sides of the abutting parts is increased by two, and the magnetic core can be more conveniently loaded.

And fourthly, the wire groove on the outer side of the connecting part is used for a wire of the coil to pass through so as to be connected with the pin, so that the wire has a special accommodating space, is not easy to damage during use, and improves the overall reliability.

Compared with the prior art, the utility model discloses a set up the connected mode of new skeleton main part and magnetic core for the skeleton main part firmly is connected skeleton main part and magnetic core under the condition that the skeleton main part does not surpass the magnetic core external diameter, makes the magnetic core be connected more firmly with the skeleton main part after first elasticity buckle and the resilience of second elasticity buckle moreover, reduces and rocks each other.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a combined structure of a coil bobbin and a magnetic material of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is another perspective view of the exploded structure of the present invention.

Fig. 4 is an exploded schematic view of the front view of the present invention.

Fig. 5 is a schematic structural diagram of the first elastic buckle and the second elastic buckle when being bent and deformed outwards.

In the figure:

a magnetic core 1; an annular sink 11; a first opening 12; a second opening 13; a skeleton body 2; a first elastic buckle 21; a second elastic buckle 22; a connecting portion 23; a wire chase 231; a top abutment 24; a pin 241; an arc-shaped relief portion 242; a yield chamfer 243; a connection plane 25; a notch 26; and a PCB board 3.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1 to 5, the coil bobbin and magnetic material combined structure according to the present invention includes a magnetic core 1 and a bobbin main body 2 for winding a coil, the bobbin main body 2 is symmetrically connected with a first elastic buckle 21 and a second elastic buckle 22, the first elastic buckle 21 and the second elastic buckle 22 are made of plastic material, and a pin 241 is disposed at one end of the first elastic buckle 21 and the second elastic buckle 22 away from the bobbin main body 2; the magnetic core 1 is cylindrical, an annular sinking groove 11 for accommodating the framework main body 2 is formed in the end face of one side of the magnetic core 1, one end of the framework main body 2 abuts against the bottom face of the annular sinking groove 11, a first opening 12 and a second opening 13 for a first elastic buckle 21 and a second elastic buckle 22 to pass through are formed in the magnetic core 1, and the ends, provided with pins 241, of the first elastic buckle 21 and the second elastic buckle 22 abut against the end face, away from the annular sinking groove 11, of the magnetic core 1; skeleton main part 2, first elasticity buckle 21 and second elasticity buckle 22 all are located completely the outside diameter of magnetic core 1 is along the projection scope of axial direction. Preferably, the depth of the annular sunken groove 11 is equal to the distance between the two end faces of the framework main body 2.

Thus, the utility model relates to a coil skeleton and magnetic material's integrated configuration and inductor, during the equipment, will first elasticity buckle 21 and the outside bending deformation of second elasticity buckle 22 are packed into magnetic core 1, and first elasticity buckle 21 and second elasticity buckle 22 kick-back realize skeleton main part 2 and magnetic core 1's firm connection. Since the first opening 12 and the second opening 13 are provided on the magnetic core 1, the maximum outer diameter of the assembled finished product is the outer diameter of the magnetic core 1. And through the resilience effect of first elasticity buckle 21 and second elasticity buckle 22 for it is more firm between magnetic core 1 and the skeleton main part 2, reduced the mutual condition of rocking and taken place.

Preferably, the first elastic buckle 21 and the second elastic buckle 22 respectively include a connecting portion 23 and a top abutting portion 24, the connecting portion 23 is connected with the framework main body 2, and the top abutting portion 24 is connected to one end of the connecting portion 23 away from the framework main body 2; the abutting portion 24 abuts against the end face of the magnetic core 1, and the pin 241 is formed on one side of the abutting portion 24, which is far away from the magnetic core 1. The first elastic buckle 21 and the second elastic buckle 22 both comprise a connecting part 23 and an abutting part 24, the connecting part 23 mainly deforms when the first elastic buckle 21 and the second elastic buckle 22 are broken, and the abutting part 24 abuts against the end surface of the magnetic core 1 after rebounding.

The number of the pins 241 may be set as desired. Preferably, each abutting portion 24 is formed with two pins 241, and further includes a PCB 3, where the PCB 3 is located between the two pins 241 on the same abutting portion 24.

Preferably, an arc-shaped relief portion 242 is formed on the outer side of the abutting portion 24, and a relief chamfer 243 is formed on the lower end of the inner side of the abutting portion 24. The outer side of the abutting portion 24 is provided with an arc-shaped position-giving portion 242, so that the abutting portion 24 has sufficient strength, and the outer wall of the abutting portion 24 does not exceed the projection range of the magnetic core 1. The lower end of the inner side of the abutting portion 24 is provided with the abdicating chamfer 243, so that when the first elastic buckle 21 and the second elastic buckle 22 deform outwards, the distance between the lower ends of the inner sides of the abutting portions 24 is increased, and the magnetic core 1 can be more conveniently loaded.

Preferably, a wire groove 231 through which a wire passes is formed outside the connection portion 23. The wire groove 231 on the outer side of the connecting part 23 is used for a wire of the coil to pass through so as to be connected with the pin 241, so that the wire has a special accommodating space, is not easy to damage in use, and improves the overall reliability. Furthermore, the connecting portion 23 is L-shaped, and a connecting plane 25 is formed at the connection position of the skeleton body 2 and the connecting portion 23.

Preferably, a notch 26 is formed at one end of the framework main body 2 far away from the first elastic buckle 21 and the second elastic buckle 22, and the position of the notch 26 on the framework main body 2 is arranged corresponding to the first elastic buckle 21 or the second elastic buckle 22.

The utility model also provides an inductor, integrated configuration including above-mentioned coil skeleton and magnetic material.

Compared with the prior art, the utility model discloses a set up new skeleton main part 2 and magnetic core 1's connected mode for skeleton main part 2 carries out firm connection with skeleton main part 2 and magnetic core 1 under the condition that does not surpass 1 external diameters of magnetic core, makes magnetic core 1 and skeleton main part 2 be connected more firm after first elasticity buckle 21 and second elasticity buckle 22 kick-backs moreover, reduces and rocks each other.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (10)

1. A coil skeleton and magnetic material combined structure is characterized by comprising a magnetic core and a skeleton main body for winding a coil, wherein the skeleton main body is symmetrically connected with a first elastic buckle and a second elastic buckle which are made of plastic materials, and one ends of the first elastic buckle and the second elastic buckle, which are far away from the skeleton main body, are provided with pins; the magnetic core is cylindrical, an annular sunken groove used for accommodating the framework main body is formed in the end face of one side of the magnetic core, one end of the framework main body abuts against the groove bottom face of the annular sunken groove, a first opening and a second opening through which a first elastic buckle and a second elastic buckle respectively pass are formed in the magnetic core, and the ends, provided with pins, of the first elastic buckle and the second elastic buckle abut against the end face, away from the annular sunken groove, of the magnetic core; skeleton main part, first elasticity buckle and second elasticity buckle all are located completely the outside diameter of magnetic core is along the projection range of axial direction.

2. The combination structure of the coil bobbin and the magnetic material as claimed in claim 1, wherein the depth of the annular sunken groove is equal to the distance between the two end faces of the bobbin body.

3. The coil bobbin and magnetic material combination structure of claim 1, wherein the first elastic buckle and the second elastic buckle respectively comprise a connecting part and a butting part, the connecting part is connected with the bobbin main body, and the butting part is connected with one end of the connecting part, which is far away from the bobbin main body; the abutting part abuts against the end face of the magnetic core, and the pins are formed on one side, away from the magnetic core, of the abutting part.

4. A coil bobbin and magnetic material combination as claimed in claim 3, wherein each abutting portion has two pins formed thereon.

5. The structure as claimed in claim 4, further comprising a PCB board, wherein the PCB board is located between the two pins on the same abutting portion.

6. The coil bobbin and magnetic material combination structure of claim 4, wherein the abutting portion is formed with an arc-shaped relief portion at an outer side thereof, and a relief chamfer is formed at a lower end of an inner side thereof.

7. The combination structure of a coil bobbin and a magnetic material as claimed in claim 4, wherein a slot for a wire to pass through is formed outside the connection portion.

8. The structure as claimed in claim 4, wherein the connecting portion is L-shaped, and a connecting plane is formed at the connection of the bobbin main body and the connecting portion.

9. The coil bobbin and magnetic material combination structure of claim 1, wherein a gap is formed at an end of the bobbin body away from the first elastic buckle and the second elastic buckle, and the position of the gap on the bobbin body corresponds to the first elastic buckle or the second elastic buckle.

10. An inductor comprising a bobbin as claimed in any one of claims 1 to 9 in combination with a magnetic material.

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