JPH0360871U

JPH0360871U -

Info

Publication number: JPH0360871U
Application number: JP11995489U
Authority: JP
Priority date: 1989-10-14
Filing date: 1989-10-14
Publication date: 1991-06-14

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の鉄心の斜視図、第
２図はコイルボビン取付後の鉄心の正面図、第３
図は全体構造を示す正面図、第４図は同上の斜視
図、第５図はガイドレールに取り付けた場合の斜
視図、第６図は同上の要部の構造を示す斜視図、
第７図ａは給電基板の正面図、同図ｂ，ｃは給電
基板による可動ブロツクの駆動状態を示す説明図
、第８図は他の実施例の要部の構造の説明図、第
９図は従来例の要部の構造の説明図である。Ａ…固定子ブロツク、Ｂ…可動子ブロツク、１
…永久磁石、２…鉄心、３…コイル、４…ブラシ
、５…給電基板、１３…コイルボビン、１４，１
５…突条、１７…嵌合凹所、２１…側片である。 Fig. 1 is a perspective view of an iron core according to an embodiment of the present invention, Fig. 2 is a front view of the iron core after installing a coil bobbin, and Fig. 3 is a perspective view of an iron core according to an embodiment of the present invention.
The figure is a front view showing the overall structure, FIG. 4 is a perspective view of the same as above, FIG.
Figure 7a is a front view of the power supply board, Figures b and c are explanatory diagrams showing the driving state of the movable block by the power supply board, Figure 8 is an explanatory diagram of the structure of the main part of another embodiment, and Figure 9 1 is an explanatory diagram of the structure of a main part of a conventional example. A... Stator block, B... Mover block, 1
...Permanent magnet, 2...Iron core, 3...Coil, 4...Brush, 5...Power supply board, 13...Coil bobbin, 14,1
5... Projection, 17... Fitting recess, 21... Side piece.

Claims

[Scope of utility model registration request]

A stator block has flat permanent magnets arranged along the longitudinal direction, which are magnetized with different polarities in the thickness direction and alternately magnetized with different polarities at regular intervals in the longitudinal direction, and the permanent magnets are interposed between the pieces on both sides. A mover block is formed by arranging a plurality of electromagnets in the longitudinal direction of a permanent magnet, each of which has a coil bobbin wound with a reversely wound coil on each side piece of a substantially U-shaped iron core. A brush to which a coil for each electromagnet is connected is provided on the movable block, and
In a linear motor in which the stator block is provided with a power supply board formed with a conductor portion in which the brush contacts slidingly and alternately applies positive and negative voltages to the coil via the brush as the movable block moves, the iron core A linear motor in which one or both of the side piece and the coil bobbin is provided with a falling-off prevention means for preventing the coil bobbin from falling off from the side piece of the iron core.