JPH0241408U

JPH0241408U -

Info

Publication number: JPH0241408U
Application number: JP11914088U
Authority: JP
Priority date: 1988-09-09
Filing date: 1988-09-09
Publication date: 1990-03-22

Description

[Brief explanation of drawings]

第１図は本考案の一実施例としてのロータリー
トランスの分解斜視図、第２図は回転側コアと固
定側コアとを組み立てた状態の断面図、第３図は
回転側円板部材の裏面の様子を示す説明図、第４
図は回転側円筒部材と同円板部材との結合状態を
示す一部断面を含む分解斜視図、第５図及び第６
図は従来の結合式コア体を用いたロータリートラ
ンスの概略構成を示す組立断面図及び一部断面を
含む分解斜視図である。１３…固定側円筒部材、１３ａ乃至１３ｄ，１
４ａ乃至１４ｄ，１４ｆ，１６ａ乃至１６ｄ，１
７ａ乃至１７ｄ，１７ｆ…コイル巻回溝、１４…
固定側円板部材、１５…固定側コア、１６…回転
側円筒部材、１７…回転側円板部材、１８…回転
側コア、１４ｅ，１７ｅ，１９…シヨートリング
の巻回溝、２０，２３，２４，２５，２６…引出
し溝、２８…段差部、Ｃ…コイル。 Fig. 1 is an exploded perspective view of a rotary transformer as an embodiment of the present invention, Fig. 2 is a sectional view of the rotating core and stationary core assembled, and Fig. 3 is the back side of the rotating disc member. Explanatory diagram showing the situation, 4th
The figure is an exploded perspective view including a partial cross section showing the state of connection between the rotation side cylindrical member and the disc member, and FIGS. 5 and 6.
The figure is an assembled cross-sectional view and an exploded perspective view including a partial cross-section, showing the schematic structure of a rotary transformer using a conventional combined core body. 13... Fixed side cylindrical member, 13a to 13d, 1
4a to 14d, 14f, 16a to 16d, 1
7a to 17d, 17f...Coil winding grooves, 14...
Fixed side disc member, 15... Fixed side core, 16... Rotating side cylindrical member, 17... Rotating side disc member, 18... Rotating side core, 14e, 17e, 19... Shot ring winding groove, 20, 23, 24 , 25, 26... Leading groove, 28... Step portion, C... Coil.

Claims

[Scope of Claim for Utility Model Registration] (1) A fixed cylindrical member having a cylindrical shape with a plurality of coil winding grooves formed on the outer circumferential surface, and one end of the fixed cylindrical member fitted in the center, and A fixed side core including a fixed side disk member having a plurality of concentric coil winding grooves formed around the fixed side cylindrical member, and a fixed side cylindrical member rotatably housed therein; The rotating cylindrical member has a cylindrical shape and has coil winding grooves facing each of the coil winding grooves of the stationary cylindrical member, and one end of the rotating cylindrical member is fitted into the center of the rotating cylindrical member. and a rotating side core including a rotating side disk member formed with a coil winding groove formed in a concentric circle around the side cylindrical member and facing each of the coil winding grooves of the stationary side disk member. A rotary transformer characterized by: (2) The rotating disc member has a center hole at the center that is approximately equal to the inner diameter of one end of the rotating cylindrical member, and approximately equal to the outer diameter of one end of the rotating cylindrical member;
The rotary transformer according to claim 1, further comprising a stepped portion concentric with the center hole, and the rotation side cylindrical member is fitted into the stepped portion. (3) The fixed-side and rotating-side disc members have a plurality of coil terminal lead-out grooves formed radially around the fixed-side and rotating-side cylindrical members, respectively, on the surfaces in which the coil winding grooves are formed. A rotary transformer according to claim 1. (4) The fixed-side and rotating-side cylindrical members each have a plurality of coil terminals parallel to the centers of the fixed-side and rotating-side cylindrical members and intersecting with each coil winding groove on the surface where the coil winding groove is formed. 2. The rotary transformer according to claim 1, wherein a pull-out groove is formed. (5) Claims 1 to 4, wherein the rotary transformer is provided with a shot ring winding groove for preventing crosstalk on a surface where each coil winding groove is formed.
A rotary transformer as described in any of the above.