JPH0263510U

JPH0263510U -

Info

Publication number: JPH0263510U
Application number: JP14317288U
Authority: JP
Priority date: 1988-11-01
Filing date: 1988-11-01
Publication date: 1990-05-11

Description

[Brief explanation of drawings]

第１図は本考案の実施例の一部破断側面図、第
２図は本考案の他の実施例の図で、ａはコイル本
体の斜視図、ｂはコイルの断面図、ｃはコイルの
外観図、第３図は従来例の断面図である。図において、１は印刷配線板、２はスルーホー
ル、５は可変型コイル、６，１２はボビン、６Ａ
はねじ孔、７，１３は巻線、８は端子、９はコア
、１０は可変型チツプコイル、１０―１はコイル
本体、１１は円柱形コア、１３ａは巻線端末、１
５，１５―１はキヤツプ電極、２０は調整コア、
２１はつまみ、３０はケース、３１はガイド、３
２は孔、３５は電極板をそれぞれ示す。 FIG. 1 is a partially cutaway side view of an embodiment of the present invention, and FIG. 2 is a diagram of another embodiment of the present invention, in which a is a perspective view of the coil body, b is a sectional view of the coil, and c is a cross-sectional view of the coil. The external view and FIG. 3 are cross-sectional views of a conventional example. In the figure, 1 is a printed wiring board, 2 is a through hole, 5 is a variable coil, 6 and 12 are bobbins, and 6A
1 is a screw hole, 7 and 13 are windings, 8 is a terminal, 9 is a core, 10 is a variable chip coil, 10-1 is a coil body, 11 is a cylindrical core, 13a is a winding terminal, 1
5, 15-1 is a cap electrode, 20 is an adjustment core,
21 is a knob, 30 is a case, 31 is a guide, 3
2 represents a hole, and 35 represents an electrode plate.

Claims

[Claims for Utility Model Registration] A chip coil mounted on a printed wiring board by soldering electrodes to corresponding pads, comprising: a cylindrical core 11 enclosed in a hollow part of a cylindrical bobbin 12; and said bobbin 12. a winding 13 wound around the body of the bobbin 12; a substantially ring-shaped adjustment core 20 that holds the outer peripheral surface of the winding 13 so as to be slidable in the axial direction; A variable chip coil characterized by an electrode connected to the winding terminal.