JPH056809U - Inductor terminal structure - Google Patents

Abstract

(57) [Summary] [Purpose] To facilitate connection of the coil lead wire to the terminal. The terminal 20 includes a fixed portion 21 to which a lead wire of a coil is fixed, and a pair of projecting members 23 that are disposed in the fixed portion and are opposed to each other at a predetermined distance to guide a guide path for guiding the lead wire. And 24. This terminal is attached to the magnetic core, and the lead wire is arranged on the fixed portion along the guide path.
After that, the projecting bodies are bent in the opposite direction, and the leader line is temporarily fixed on the fixing portion 21. Then, the leader line is soldered to the fixed portion. Since the lead wires are temporarily fixed in this way and then soldered, the coil lead wires can be easily connected to the terminals. That is, soldering becomes easy.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an inductor terminal structure, and more particularly to a thin inductor terminal structure.

[0002]

[Prior Art]

 Generally, as a thin inductor, for example, an inductor in which a winding is directly housed in a magnetic core (core) whose surface is coated with an electric insulating film is known, and a magnetic material having a high specific resistance is used. Inductors in which windings are housed directly in the magnetic core are also known. Conventionally, a terminal having a structure shown in FIG. 3 is known as a terminal used in such a thin inductor. The illustrated terminal 10 is formed of a conductive material in a substantially U shape, and has a claw portion 11 protruding inward at one end. Further, this terminal has a flat portion 12 to which a winding wire, which will be described later, is fixed.

Here, also referring to FIG. 4, the thin inductor includes first and second thin cores 13 and 14 having the same outer shape, and a coil accommodating portion 14 a is formed in the second thin core 14. Has been done. A terminal mounting portion 14b is defined at both ends of the coil housing portion 14a, and a terminal holding groove 14c is formed at the rear end of the terminal mounting portion 14b along the rear end of the terminal mounting portion 14b. When manufacturing the thin inductor, the coil 15 is housed in the coil housing portion 14 a formed in the second thin core 14. Then, the first thin core 13 is put on the second thin core 14. Then, the claw portion 11 of the terminal 10 shown in FIG. 3 is hooked on the terminal holding groove 14c and mounted on the terminal mounting portion 14b (here, the pair of terminals 10 are mounted on the terminal mounting portion 14b on the same side). ). Thus, the claw portion 14c is used for holding and fixing the terminal 10 when the terminal 10 is mounted on the core (terminal mounting portion). When connecting the coil 15 to the terminal 10, the wire 15 a drawn from the coil 15 is soldered to the flat portion 12 to connect the terminal 10 to the coil 15. The first and second thin cores 13 and 14 are fixed by taping or the like.

[0004]

[Problems to be solved by the device]

 As mentioned above, in the conventional thin inductor, the winding wire is fixed to the flat part by soldering, and the soldering work is troublesome because the winding wire is in an unstable state during soldering. There is a problem. In particular, there is a problem that the winding wire is apt to be displaced in the lateral direction and the workability of soldering is poor. An object of the present invention is to provide a terminal structure in which the winding wire can be easily connected to the terminal.

[0005]

[Means for Solving the Problems]

 According to the present invention, in an inductor having a coil provided with a lead wire and a magnetic core to which the coil is attached, wherein the magnetic core has a terminal portion connected to the lead wire, wherein the terminal is the lead wire. And a pair of projecting bodies that are disposed in the fixed portion so as to face each other at a predetermined interval and that define a guide path that guides the leader line. The terminal structure of the inductor is obtained.

[0006]

[Action]

 In the present invention, the leader line is drawn out along the guide path, positioned on the fixed portion, and then the projecting body is bent in the opposite direction to temporarily fix the leader line. Then, the lead wire is fixed to the fixing portion by soldering. As described above, since the lead wire is temporarily fixed, the soldering work becomes extremely easy, and as a result, the connection of the winding wire to the terminal becomes easy.

[0007]

【Example】

 Hereinafter, the present invention will be described with reference to examples. Referring to FIG. 1, a terminal 20 according to the present invention is formed of a conductive material in a substantially U shape, and includes a flat portion 21 to which a winding wire described later is fixed. A claw portion 22 protruding inward is formed at one end of the flat portion 21. Further, plate-like protrusions 23 and 24 protruding outward are formed on the flat portion 21 at positions facing each other. There is. The guide paths are defined by the plate-like protrusions 23 and 24.

Here, the mounting of the terminal 20 on the thin inductor will be described, but since the other constituent elements are the same as the constituent elements shown in FIG. 3 except for the terminal, the description of the same constituent elements will be omitted. .. In the same manner as described above, the terminal 20 hooks the claw portion 22 into the terminal holding groove 14c and mounts it on the terminal mounting portion 14b (here, the pair of terminals 20 is mounted on the same side terminal mounting portion 14b). .. This state is shown in FIG. After that, the wire 15 a pulled out from the coil 15 is placed on the flat portion 21. That is, the wire 15a is arranged along the guide path defined by the plate-shaped protrusions 23 and 24, and the wire 15a is positioned on the flat portion 21 by the plate-shaped dischargers 23 and 24. Then, the plate-like protrusions 23 and 24 are bent inward (directions facing each other) to temporarily secure the wire 15a. After that, the wire 15a is completely fixed to the flat portion 21 by soldering.

[0009]

[Effect of the device]

 As described above, according to the present invention, since the winding wire is positioned on the terminal and the protrusion for temporarily fixing the winding wire is provided, the soldering work is extremely easy, and as a result, the connection of the winding wire to the terminal is facilitated. There is an effect.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a terminal structure according to the present invention.

FIG. 2 is a perspective view showing an embodiment of a thin inductor using a terminal structure according to the present invention.

FIG. 3 is a perspective view showing an example of a conventional terminal structure.

FIG. 4 is an exploded perspective view of a thin inductor using the terminal shown in FIG.

[Explanation of symbols]

 20 terminal 21 flat part 22 claw part 23, 24 plate-like projecting body

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Creator Kunihito Endo 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corporation

Claims (1)

Claims for utility model registration: 1. An inductor comprising: a coil having a lead wire; and a magnetic core to which the coil is mounted, wherein the magnetic core is provided with a terminal portion connected to the lead wire. The terminal has a fixing portion to which the lead wire is fixed, and a pair of projecting bodies that are disposed in the fixing portion so as to face each other at a predetermined interval and define guide paths that guide the lead wire. The terminal structure of the inductor characterized in that.