JPS61214U

JPS61214U - coil device

Info

Publication number: JPS61214U
Application number: JP8387984U
Authority: JP
Inventors: 俊實宮城; 昭博菊池; 隆志細江
Original assignee: 株式会社村田製作所
Priority date: 1984-06-06
Filing date: 1984-06-06
Publication date: 1986-01-06

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はピン端子に巻線が巻かれた従来の一例を示す斜
視図である。第２図はこの考案の背景となるかつこの考案が実施され
得るフライバックトランスの一例を示す断面図である。第３図はエッジを有するダイオードの斜視図である。第４図は第３図図示のダイオードに２次巻線が巻付けら
れた状態を示す斜視図である。第５図は２次巻線がダイオードの端末部に取り付けられ
た状態を示す図である。第６図および第７図はこの考案の一実施例を示し、第６
図は基底部にピン端子が取り付けられた状態を示す斜視
図、第７図はピン端子にコイルが巻付けられた状態を示
す図である。第８図はピン端子の変形例を示す斜視図である。第９図はピン端子の巻付部にエッジを形成するための装
置の断面図である。第１０図はピン金型の変形例を示す断面図である。第１１一図は第１０図装置を用いて形成した巻付部を示
す斜視図である。第１２図、第１３図および第１７ｉ図は、それそれ、エ
ッジの変形例を示す断面図である。図において、１１はフライバックトランス、１３はコア
、１５は低圧ボビン、１７は高圧ボビン、２３は１次コ
イル、２５は３次コイル、３５は２次コイル、３７はダ
イオード、４１はピン端子である。FIG. 1 is a perspective view showing a conventional example in which a winding is wound around a pin terminal. FIG. 2 is a sectional view showing an example of a flyback transformer that forms the background of this invention and in which this invention can be implemented. FIG. 3 is a perspective view of a diode with edges. 4 is a perspective view showing a state in which a secondary winding is wound around the diode shown in FIG. 3. FIG. FIG. 5 is a diagram showing a state in which the secondary winding is attached to the terminal portion of the diode. Figures 6 and 7 show an embodiment of this invention;
The figure is a perspective view showing a state in which a pin terminal is attached to the base, and FIG. 7 is a view showing a state in which a coil is wound around the pin terminal. FIG. 8 is a perspective view showing a modification of the pin terminal. FIG. 9 is a sectional view of an apparatus for forming edges on the winding portion of a pin terminal. FIG. 10 is a sectional view showing a modification of the pin mold. FIG. 111 is a perspective view showing a wrapped portion formed using the apparatus shown in FIG. 10. FIGS. 12, 13, and 17i are cross-sectional views showing variations of the edge. In the figure, 11 is a flyback transformer, 13 is a core, 15 is a low voltage bobbin, 17 is a high voltage bobbin, 23 is a primary coil, 25 is a tertiary coil, 35 is a secondary coil, 37 is a diode, and 41 is a pin terminal. be.

Claims

[Claims for Utility Model Registration] 1. A coil device including a coil wound around a bobbin and a pin terminal fixed to a base portion of the bobbin, wherein a lead-out portion of the coil is wound with the pin terminal, the coil device comprising: a coil wound around a bobbin; A coil device, characterized in that an edge having an acute angle in cross section is formed at at least one location on the circumferential surface of the coil device. 2. The coil device according to claim 1, wherein the pin terminal has a polygonal cross section, and the edge is formed such that at least two sides of the polygon are curved inward in an arc shape.