CN220509834U

CN220509834U - Common-mode inductor without base

Info

Publication number: CN220509834U
Application number: CN202322285485.0U
Authority: CN
Inventors: 谢辉; 明振南; 张静静; 陈敬龙
Original assignee: Guangdong Qunbao Electronic Intelligent Manufacturing Co ltd
Current assignee: Guangdong Qunbao Electronic Intelligent Manufacturing Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-02-20
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a common-mode inductor without a base, which relates to the technical field of common-mode inductors and comprises a magnetic core body, wherein winding coils are symmetrically wound outside the magnetic core body, each winding coil is provided with two pins, through holes are formed in corners of the magnetic core body in a penetrating manner, pin bases are fixed in the through holes, pins are fixed in the pin bases, and the pins are fixedly connected with the pins. This common mode inductor, through trompil on four angles of magnetic core, fix the stitch in its inside again, when production, the automatic wire winding back is direct with the terminal welding of coil on the stitch in magnetic core four corners, does not need the mount pad to support to can improve production efficiency and reduce cost, the volume is littleer after having reduced the base, but also can realize automated production.

Description

Common-mode inductor without base

Technical Field

The utility model relates to the technical field of common mode inductors, in particular to a base-free common mode inductor.

Background

In the prior art, the common-mode inductor has a structure such as a mounting seat, a magnetic core, a coil and the like as shown in the published patent CN213546039U, and each coil has two leading-out ends, and the common-mode inductor with the structure is assembled by the coil and the mounting seat, and needs to have the mounting seat to support the coil, and the leading-out ends of the coil pass through reserved pins of the mounting seat, and can be realized by means of the mounting seat.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a common mode inductor without a base, which solves the problems raised by the background technology.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a no base common mode inductor, includes the magnetic core body, the outside symmetry coiling of magnetic core body has winding coil, winding coil has two pins, the through-hole has all been seted up in the corner of magnetic core body, the inside of through-hole is fixed with the stitch base, the inside of stitch base is fixed with the stitch, pin and stitch fixed connection.

Further, the bottom ends of the pins extend to the lower side of the magnetic core body.

Further, the inside of stitch base runs through and has offered the mounting hole, the inside at the mounting hole is fixed to the stitch.

Further, the pin base is a member made of insulating material.

Furthermore, the magnetic core body is of a hollow opening-shaped structure.

Further, the connection mode of the pin (21) and the pin (4) is one of winding or welding.

Further, the wire of the winding coil (2) is one of a round wire and a flat wire.

The utility model provides a common mode inductor without a base. Compared with the prior art, the method has the following beneficial effects:

this common mode inductor, through trompil on four angles of magnetic core, fix the stitch in its inside again, when production, the automatic wire winding back is direct with the terminal welding of coil on the stitch in magnetic core four corners, does not need the mount pad to support to can improve production efficiency and reduce cost, the volume is littleer after having reduced the base, but also can realize automated production.

Drawings

FIG. 1 is a schematic diagram of an exploded construction of the present utility model;

FIG. 2 is a schematic view of an assembled structure of the present utility model;

FIG. 3 is a top view of the assembled utility model;

FIG. 4 is a cross-sectional view taken along section A-A of FIG. 3 in accordance with the present utility model.

In the figure: 1. a magnetic core body; 11. a through hole; 2. a winding coil; 21. pins; 3. a pin base; 31. a mounting hole; 4. and (5) stitching.

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. 1-4, the present utility model provides a technical solution: the utility model provides a no base common mode inductor, including magnetic core body 1, magnetic core body 1 is inside hollow "mouthful" font structure, the outside symmetry coiling of magnetic core body 1 has winding coil 2, winding coil 2 has two pins 21, the through-hole 11 has all been run through to the corner of magnetic core body 1, the inside of through-hole 11 is fixed with stitch base 3, stitch base 3 is insulating material's component, stitch base 3's inside is fixed with stitch 4, installation hole 31 has been run through to stitch base 3's inside, stitch 4 is fixed in installation hole 31's inside, the bottom of stitch 4 extends to the below pin 21 and the stitch 4 fixed connection of magnetic core body 1, pin 21 and stitch 4's connected mode is one kind of winding or welded, winding coil 2's wire rod is one kind of round wire or band wire.

When the common mode inductor is produced, through holes 11 are formed in four corners of the magnetic core body 1, pins 4 are fixed inside the common mode inductor, and during production, the leading-out ends (pins 21) of the winding coil 2 are directly welded on the pins 4 at four corners of the magnetic core body 1 after automatic winding, and the common mode inductor is not supported by a mounting seat, so that the production efficiency and the cost are improved, the volume is smaller after the base is reduced, and automatic production can be realized.

Claims

1. The utility model provides a no base common mode inductor, includes magnetic core body (1), the outside symmetry coiling of magnetic core body (1) has winding coil (2), winding coil (2) have pin (21), its characterized in that, through-hole (11) have all been run through to the corner of magnetic core body (1), the inside of through-hole (11) is fixed with stitch base (3), the inside of stitch base (3) is fixed with stitch (4), pin (21) are connected with stitch (4).

2. A bottomless common mode inductor according to claim 1, characterized in that the bottom ends of the pins (4) extend below the core body (1).

3. The bottomless common mode inductor according to claim 1, wherein the pin base (3) has a mounting hole (31) formed therein, and the pin (4) is fixed in the mounting hole (31).

4. A bottomless common mode inductor according to claim 1, characterized in that the pin base (3) is a member of insulating material.

5. A bottomless common mode inductor according to claim 1, characterized in that the core body (1) is of an internally hollow "mouth" shaped structure.

6. The bottomless common mode inductor of claim 1, wherein the pin to pin connection is one of winding or soldering.

7. The bottomless common mode inductor of claim 1, wherein the wire of the winding coil is one of a round wire or a flat wire.