JPH03109319U

JPH03109319U -

Info

Publication number: JPH03109319U
Application number: JP1644890U
Authority: JP
Priority date: 1990-02-21
Filing date: 1990-02-21
Publication date: 1991-11-11

Description

[Brief explanation of the drawing]

第１図はこの考案に係るトランスボビンの一実
施例の分解斜視図、第２図は第１図の組付後の一
部縦断面図、第３図は従来例の縦断面図である。１……トランスボビン、３……コア、５……第
１の挿通孔、７……１次コイル、９……第１の主
部、１１……内側ボビン部材、１３……第２の挿
通孔、１５……２次コイル、１７……第２の主部
、１９……外側ボビン部材、２１……第１の鍔部
、２３……第２の鍔部、２５……第１の端子、２
９……第２の端子。 FIG. 1 is an exploded perspective view of an embodiment of a trans bobbin according to the present invention, FIG. 2 is a partial vertical sectional view of FIG. 1 after assembly, and FIG. 3 is a vertical sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1... Transformer bobbin, 3... Core, 5... First insertion hole, 7... Primary coil, 9... First main part, 11... Inner bobbin member, 13... Second insertion hole Hole, 15... Secondary coil, 17... Second main part, 19... Outer bobbin member, 21... First flange, 23... Second flange, 25... First terminal ,2
9...Second terminal.

Claims

[Scope of utility model registration request]

A hollow cylindrical first and second bobbin members having different diameters are provided, a core is inserted and supported in an insertion hole of the first bobbin member, and a primary coil is wound around the outer peripheral surface of the core. The first bobbin member is inserted and supported in the insertion hole of the member, and two
A secondary coil is wound around the bobbin member, and first and second flanges are provided at both ends in the axial direction of each of the bobbin members to protrude in the outer radial direction to cover both ends of the primary coil and the secondary coil, respectively. When the first bobbin member is inserted into the insertion hole of the second bobbin member of the bobbin member, the end surfaces of the first and second collar portions come into close contact with each other to form a creepage distance extension portion. Characteristic transformer bobbin.