CN2539258Y

CN2539258Y - Improved square magnetic ring and drum-shaped iron core combined structure

Info

Publication number: CN2539258Y
Application number: CN 02230366
Authority: CN
Inventors: 杨逸文
Original assignee: Yanda Electrization Co ltd
Current assignee: Yanda Electrization Co ltd
Priority date: 2002-04-08
Filing date: 2002-04-08
Publication date: 2003-03-05
Anticipated expiration: 2012-04-08

Abstract

The utility model relates to an improved square magnetic ring and drum-shaped iron core combined structure, which comprises a square magnetic loop body, more than two conducting parts and a drum-shaped iron core, wherein the square magnetic loop body is a rectangular body, a containing part is concavely arranged in the square magnetic loop body, more than two conducting parts are arranged on the square magnetic loop body and respectively arranged on one side of the containing part. The two conducting parts combined are integrally arranged on the square magnetic loop body, and the conducting parts are arranged on the bottom surface of the square magnetic loop body at least. The drum-shaped iron core is arranged on the containing part of the square magnetic loop body. The circumference surface of the drum-shaped iron core is provided with a wire chase. The inside of the wire chase is wound with loops, and both ends of the loops are arranged on the conducting part. Thus, the conformation is simplified. The occupied volume is also reduced, and the electrical characteristic is improved.

Description

The square magnet ring and the drum type iron core combining structure of improvement

Technical field

The utility model relates to a kind of square magnet ring and drum type iron core combining structure of improvement, especially refer to a kind ofly by the drum type iron core being located at the holding part of square magnet ring body, and be integrally formed with the square magnet ring and the drum type iron core combining structure of the improvement of this two conducting portion with metal treatment.

Background technology

As shown in Figure 6, existing first kind of square magnet ring and drum type iron core combining structure 9, have a plastic cement material and make the magnet ring base 91 that generally is rectangle, it is provided with a magnet ring 94, be provided with most metallic laminas 92 in this base 91, this metallic laminas 92 is also extended to the periphery of base 91, and be formed with most pins 93, for this base 91 is located at the circuit board (not shown), in addition, the top of this base 91 is provided with a drum type iron core 95 in magnet ring 94, and the periphery of this drum type iron core 95 is provided with a wire casing 96, this wire casing 96 supplies winding around 97, and the both ends 971 of this coil 97 is divided into the metallic laminas 92 of both sides.

As shown in Figure 7, existing second kind of square magnet ring and drum type iron core combining structure 9A, has the magnet ring base 91A that a sheet metal is bent into, it is provided with a magnet ring 94A, the periphery of this base 91A extends the pin 93A that is provided with majority, for this base 91A is located at circuit board, in addition, the top of this base 91A is provided with a drum type iron core 95A, the periphery of this drum type iron core 95A is provided with a wire casing 96A, this wire casing 96A supplies winding around 97A, and the both ends 971A of this coil 97A is divided into the both sides of base 91A.

Yet, existing square magnet ring and drum type iron core combining structure 9,9A complex structure, and make trouble, such as magnet ring base 91,91A and magnet ring 94,94A etc. must be set respectively, though and it can form conductive connecting pin 93,93A by the metallic laminas 93 of bending or the magnet ring base 91A that directly is bent into sheet metal, and this metallic laminas 93, magnet ring base 91A need in advance that bending cuts, and not only cut outside the trouble, and waste material is also many.

In the performance of inductance value, be subject to factors such as plastic cement material is made or sheet metal is bent into base 91,91A, and the performance of overall inductance debt also is difficult to again for significantly promoting.

Moreover existing electronic component is many towards compact designer trends, but these square magnet rings and drum type iron core combining structure 9, not only whole height is quite high for 9A, and the volume that occupies also is difficult to reduce again, and necessity of improvement is arranged.

Summary of the invention

Main purpose of the present utility model is to provide a kind of square magnet ring and drum type iron core combining structure of improvement, by the holding part of the drum type iron core being located at square magnet ring body, and can directly be integrally formed with this two conducting portion with metal treatment, and base and magnet ring must be set respectively, but to have simplified construction, to be easy to the advantage of making, reducing production costs.

Another purpose of the present utility model is to provide a kind of square magnet ring and drum type iron core combining structure of improvement, can reduce possessive volume.

A purpose more of the present utility model is to provide a kind of square magnet ring and drum type iron core combining structure of improvement, can promote inductance value, and improve electrical characteristic.

The utility model is to provide a kind of square magnet ring and drum type iron core combining structure of improvement, comprises a square magnet ring body, and its general rectangular body is concaved with a holding part in this square magnet ring body; Conducting portion more than two is located at this square magnet ring body, and lays respectively at a side of this holding part, and this two conducting portion is located at this square magnet ring body with one, and this conducting portion is located at the bottom surface of this square magnet ring body at least; One drum type iron core is located at the holding part of this square magnet ring body, and the periphery of this drum type iron core is provided with a wire casing, winding around in this wire casing, and the two end portions of this coil is located at its this two conducting portions.

The utility model is also to provide a kind of square magnet ring and drum type iron core combining structure of improvement, this two conducting portion is provided with the guide groove more than respectively, this guide groove extends to the holding part of this square magnet ring body, and the two end portions of coil is located at the guide groove of its this two conducting portions.

The utility model is also to provide a kind of square magnet ring and drum type iron core combining structure of improvement, and the both sides of this square magnet ring body are located in this two turning part, and extends to this holding part.

The utility model is also to provide a kind of square magnet ring and drum type iron core combining structure of improvement, and four corners of this square magnet ring body are respectively equipped with a guide groove.

The utility model is also to provide a kind of square magnet ring and drum type iron core combining structure of improvement, and the metal treatment of this conducting portion is a metallising.

The utility model is also to provide a kind of square magnet ring and drum type iron core combining structure of improvement, and the holding part of this square magnet ring body is a circular hole that runs through.

But the utility model simplified construction, be easy to make, reduce production costs, also can reduce possessive volume, and improve electrical characteristic.

Description of drawings

Fig. 1 stereogram of the present utility model.

Fig. 2 three-dimensional exploded view of the present utility model.

Fig. 3 drum type iron core of the present utility model is wound with the schematic diagram of coil.

Fig. 4 use schematic diagram of the present utility model.

Fig. 5 the utility model is arranged at the schematic diagram of circuit board.

Fig. 6 commonly uses the stereogram of first kind of square magnet ring and drum type iron core combining structure.

Fig. 7 commonly uses the stereogram of second kind of square magnet ring and drum type iron core combining structure.

Embodiment

See also Fig. 1,2, the utility model is the square magnet ring and the drum type iron core combining structure of an improvement, and this square magnet ring and drum type iron core combining structure comprise:

One square magnet ring body 2, its general rectangular body, this square magnet ring body 2 are made with magnetic material, and are concaved with a holding part 21 in this square magnet ring body 2, and this holding part 21 is a circular hole that runs through;

Conducting portion 22 more than two is located at this square magnet ring body 2, and lays respectively at a side of this holding part 21, and this two conducting portion 22 is located at this square magnet ring body 2 with the metal treatment one, and this conducting portion 22 is located at the bottom surface 23 of this square magnet ring body 2 at least; In present embodiment, this metal treatment is metallising (METALIZED), and this two conducting portion 22 is divided into the both sides of this square magnet ring body 2, and extend to this holding part 21, and this two conducting portion 22 also is respectively equipped with guide groove 221 more than one, this guide groove 221 extends to the holding part 21 of this square magnet ring body 2, and four corners of this square magnet ring body 2 are respectively equipped with a guide groove 221;

One drum type iron core 3 is located at the holding part 21 of this square magnet ring body 2, and the periphery of this drum type iron core 3 is provided with a wire casing 31;

When group is established the utility model, shown in Fig. 3～5, the wire casing 31 of this drum type iron core 3 can supply winding around 1, and the both ends 11 of this coil 1 are divided into the guide groove 221 of its this two conducting portions 22, and because four corners of this square magnet ring body 2 are respectively equipped with a guide groove 221, and the guide groove that is placed in this two conducting portion 22 respectively 221 of the both ends 11 available property of coil 1, to electrically connect, make it not have the restriction of directivity simultaneously, the convenience that the increase group is established, this drum type iron core 3 is arranged at the holding part 21 of this square magnet ring body 2 again, and this two conducting portion 22 is arranged on the circuit board 12 down, this two conducting portion 22 can electrically connect with circuit board 12.

It should be noted that, the utility model is by directly being integrally formed with this two conducting portion 22 with metal treatment in this square magnet ring body 2, and drum type iron core 3 can be located at the holding part 21 of this square magnet ring body 2, base and the magnet ring of commonly using must be set respectively, but simplified construction not only, outside being easy to make, also there is not the person's of commonly using metallic laminas 93, magnet ring base 91A need cut and the problem of waste material, aspect overall volume, the utility model more can reduce outside the height of making an appointment with half, and the length of this square magnet ring body 2, width also can reduce, and reach the effect that reduces possessive volume, in addition, in the performance of inductance value, square magnet ring body 2 of the present utility model is also made for magnetic material, can promote inductance value and make, to improve the electrical characteristic of square magnet ring and drum type iron core combining structure.

Certainly, the utility model is not limited to the foregoing description, also can be made as difformity as this holding part 21, or also can be provided with four conducting portions 22, and the processing of the metallising of this conducting portion 22 can also other metal treatment be reached identical effect.

In sum, the utility model is by the holding part 21 of drum type iron core 3 being located at this square magnet ring body 2, and can directly be integrally formed with this two conducting portion 22 with metal treatment, and base and the magnet ring of commonly using must be set respectively, but to have simplified construction, be easy to make, reduce production costs and reduce the advantage of possessive volume, and can promote the performance of overall inductance value, improve the electrical characteristic of square magnet ring and drum type iron core combining structure.

Claims

1, a kind of square magnet ring of improvement and drum type iron core combining structure is characterized in that: comprise a square magnet ring body, its general rectangular body is concaved with a holding part in this square magnet ring body; Conducting portion more than two is located at this square magnet ring body, and lays respectively at a side of this holding part, and this two conducting portion is located at this square magnet ring body with one, and this conducting portion is located at the bottom surface of this square magnet ring body at least; One drum type iron core is located at the holding part of this square magnet ring body, and the periphery of this drum type iron core is provided with a wire casing, winding around in this wire casing, and the two end portions of this coil is located at its this two conducting portions.

2, the square magnet ring of improvement according to claim 1 and drum type iron core combining structure, it is characterized in that: this two conducting portion is provided with the guide groove more than respectively, this guide groove extends to the holding part of this square magnet ring body, and the two end portions of coil is located at the guide groove of its this two conducting portions.

3, the square magnet ring of improvement according to claim 2 and drum type iron core combining structure, it is characterized in that: the both sides of this square magnet ring body are located in this two turning part, and extend to this holding part.

4, the square magnet ring of improvement according to claim 3 and drum type iron core combining structure, it is characterized in that: four corners of this square magnet ring body are respectively equipped with a guide groove.

5, the square magnet ring of improvement according to claim 1 and drum type iron core combining structure, it is characterized in that: the metal treatment of this conducting portion is a metallising.

6, the square magnet ring of improvement according to claim 1 and drum type iron core combining structure is characterized in that: the holding part of this square magnet ring body is a circular hole that runs through.