CN216311565U - Novel I-shaped patch inductor - Google Patents
Novel I-shaped patch inductor Download PDFInfo
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- CN216311565U CN216311565U CN202122569652.5U CN202122569652U CN216311565U CN 216311565 U CN216311565 U CN 216311565U CN 202122569652 U CN202122569652 U CN 202122569652U CN 216311565 U CN216311565 U CN 216311565U
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Abstract
The utility model relates to a novel I-shaped chip inductor which comprises an I-shaped magnetic core, wherein a coil is wound on the I-shaped magnetic core, two T-shaped metal sheets which are symmetrical about the central axis of the I-shaped magnetic core are welded at the bottom end of the I-shaped magnetic core, two ends of the coil are respectively wound on pins of the two T-shaped metal sheets, the head of the coil and part of the T-shaped metal sheets are embedded in a soldering tin layer which is bonded at the bottom end of the I-shaped magnetic core, and a downward protruding isolation protruding strip is arranged between the two T-shaped metal sheets at the bottom end of the I-shaped magnetic core. Winding the coil head on the pin of the T-shaped metal sheet, and embedding the T-shaped metal sheet and the coil head in the soldering tin layer, so that the coil head is stably welded at the bottom end of the I-shaped magnetic core, and the connection stability of the coil and the I-shaped magnetic core is improved; when the chip inductor is welded on a circuit board, only the pins and the circuit board need to be welded and connected by a welding gun, the original soldering tin layer does not need to be melted and solidified, and the coil head can be prevented from being pulled out for secondary welding.
Description
Technical Field
The utility model relates to the field of chip inductors, in particular to a novel I-shaped chip inductor.
Background
The existing chip inductor has the advantages that two ends of the coil are directly welded at the bottom end of the I-shaped magnetic core in a spot welding mode, the contact area is small, the bottom surface is uneven, the stability of welding with a circuit board is poor, the head of the coil is easy to fall off, and during welding installation, the secondary welding is carried out after the soldering tin around the original head of the coil is melted, so that the head of the coil is easily pulled out from the original soldering tin.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provides a novel I-shaped patch inductor.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
a novel I-shaped chip inductor comprises an I-shaped magnetic core, wherein a coil is wound on the I-shaped magnetic core, fan-shaped wire outlets are respectively arranged on the left side and the right side of the I-shaped magnetic core, two ends of the coil respectively penetrate through the wire outlets, two T-shaped metal sheets which are symmetrical about a central axis of the I-shaped magnetic core are welded at the bottom end of the I-shaped magnetic core, two ends of the coil are respectively wound on pins of the two T-shaped metal sheets, the head of the coil and part of the T-shaped metal sheets are embedded in a soldering tin layer which is bonded at the bottom end of the I-shaped magnetic core, and one end, far away from an installation grid, of each pin is exposed outside the soldering tin layer; and the bottom end of the I-shaped magnetic core is positioned between the two T-shaped metal sheets and is provided with an isolation convex strip protruding downwards, the height of the isolation convex strip is greater than that of the T-shaped metal sheets, and the bottom end of the soldering tin layer is flush with the bottom end of the isolation convex strip.
The T-shaped metal sheet comprises an installation grid and a pin perpendicular to the middle of one side of the installation grid, and the pin is located below the wire outlet.
The bottom end of the I-shaped magnetic core is positioned on two sides of the isolation convex strip and is a rough surface.
The utility model has the beneficial effects that: winding the coil head on the pin of the T-shaped metal sheet, and embedding the T-shaped metal sheet and the coil head in the soldering tin layer, so that the coil head is stably welded at the bottom end of the I-shaped magnetic core, and the connection stability of the coil and the I-shaped magnetic core is improved; let the terminal exposing outside the soldering tin layer of pin of T type sheetmetal, only need when making this paster inductor weld on the circuit board with welder with pin and circuit board welded connection can, need not melt original soldering tin layer and solidify again, can avoid the coil head to be pulled out and carry out the secondary welding.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
fig. 1 is a front view schematic structural diagram of an i-shaped patch inductor in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a top view of an i-shaped patch inductor according to an embodiment of the present invention;
FIG. 3 is a schematic view of the AA-oriented structure of FIG. 2;
FIG. 4 is a schematic structural diagram of a bottom surface of an I-core in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a T-shaped metal sheet according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 5, a novel i-shaped chip inductor includes an i-shaped magnetic core 1, a coil 2 is wound on the i-shaped magnetic core 1, fan-shaped wire outlets 6 are respectively arranged on the left and right sides of the i-shaped magnetic core 1, two ends of the coil 2 respectively pass through the wire outlets 6, two T-shaped metal sheets 3 symmetrical with respect to the central axis of the i-shaped magnetic core 1 are welded at the bottom end of the i-shaped magnetic core 1, two ends of the coil 2 are respectively wound on pins 32 of the two T-shaped metal sheets 3, the head of the coil 2 and a part of the T-shaped metal sheets 3 are embedded in a solder layer 4 adhered to the bottom end of the i-shaped magnetic core 1, and one end of the pin 32 far away from the installation grid 3 is exposed outside the solder layer 4; the bottom of the I-shaped magnetic core 1 is located and is equipped with the protruding isolation strip 5 of downward protrusion between two T type sheetmetals 3, and the height that keeps apart protruding strip 5 is greater than T type sheetmetal 3, but the bottom of soldering tin layer 4 and the bottom parallel and level of keeping apart protruding strip 5 are favorable to making soldering tin layer 4 and circuit board laminating when the installation.
The T-shaped metal sheet 3 comprises an installation grid 31 and a pin 32 perpendicular to the middle of one side of the installation grid 31, the pin 32 is located below the wire outlet 6, the installation grid is favorable for increasing the contact area of the soldering tin layer and the T-shaped metal sheet, and the stability of the T-shaped metal sheet connected with the soldering tin layer is improved. The bottom of the I-shaped magnetic core 1 is positioned on two sides of the isolation convex strip 5 and is a rough surface, so that the contact area between the soldering tin layer and the bottom end of the I-shaped magnetic core can be increased, and the connection stability of the soldering tin layer and the I-shaped magnetic core is improved.
According to the technical scheme, the coil head is wound on the pin of the T-shaped metal sheet, and then the T-shaped metal sheet and the coil head are embedded in the soldering tin layer, so that the coil head is stably welded at the bottom end of the I-shaped magnetic core, and the connection stability of the coil and the I-shaped magnetic core is improved; let the terminal exposing outside the soldering tin layer of pin of T type sheetmetal, only need when making this paster inductor weld on the circuit board with welder with pin and circuit board welded connection can, need not melt original soldering tin layer and solidify again, can avoid the coil head to be pulled out and carry out the secondary welding.
During production, the coil is wound on the I-shaped magnetic core, two ends of the coil are wound on pins of the two T-shaped metal sheets respectively, the I-shaped magnetic core and the coil are placed in a mold, molten soldering tin is poured into the mold, and the head of the coil and a part of the T-shaped metal sheets are embedded in a soldering tin layer. When the I-shaped patch inductor is installed, pins of the T-shaped metal sheet are welded on welding points of the circuit board by using a welding gun.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a novel I-shaped paster inductor, includes the I-shaped magnetic core, it has coil, its characterized in that to coil on the I-shaped magnetic core: the bottom end of the I-shaped magnetic core is welded with two T-shaped metal sheets which are symmetrical about a central axis of the I-shaped magnetic core, two ends of the coil are respectively wound on pins of the two T-shaped metal sheets, the head of the coil and part of the T-shaped metal sheets are embedded in a soldering tin layer which is bonded to the bottom end of the I-shaped magnetic core, and a downward protruding isolation protruding strip is arranged between the two T-shaped metal sheets at the bottom end of the I-shaped magnetic core.
2. The novel i-shaped patch inductor according to claim 1, characterized in that: the left side and the right side of the I-shaped magnetic core are respectively provided with a fan-shaped wire outlet, and two ends of the coil respectively penetrate through the wire outlets.
3. The novel i-shaped patch inductor according to claim 2, characterized in that: the T-shaped metal sheet comprises an installation grid and a pin perpendicular to the middle of one side of the installation grid, and the pin is located below the wire outlet.
4. The novel i-shaped patch inductor according to claim 1, characterized in that: one end of the pin, which is far away from the installation grid, is exposed outside the soldering tin layer.
5. The novel i-shaped patch inductor according to claim 1, characterized in that: the bottom end of the soldering tin layer is flush with the bottom end of the isolation convex strip.
6. The novel i-shaped patch inductor according to claim 1, characterized in that: the height of the isolation raised strips is greater than that of the T-shaped metal sheet.
7. The novel i-shaped patch inductor according to claim 1, characterized in that: the bottom end of the I-shaped magnetic core is positioned on both sides of the isolation convex strip and is a rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122569652.5U CN216311565U (en) | 2021-10-25 | 2021-10-25 | Novel I-shaped patch inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122569652.5U CN216311565U (en) | 2021-10-25 | 2021-10-25 | Novel I-shaped patch inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216311565U true CN216311565U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122569652.5U Active CN216311565U (en) | 2021-10-25 | 2021-10-25 | Novel I-shaped patch inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216311565U (en) |
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2021
- 2021-10-25 CN CN202122569652.5U patent/CN216311565U/en active Active
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