JPS6370336U

JPS6370336U -

Info

Publication number: JPS6370336U
Application number: JP16462486U
Authority: JP
Priority date: 1986-10-27
Filing date: 1986-10-27
Publication date: 1988-05-11

Description

[Brief explanation of the drawing]

第１図は本考案の印字ヘツドの原理図、第２図
ａ及びｂは本考案の印字ヘツドを示す側断面図、
第３図は本考案が適用されるプリンタを例示する
平面図、第４図は従来の印字ヘツドを示す側断面
図、第５図はアマチユアの配置を示す平面図であ
る。図に於いて、１２，２６は印字ヘツド、１３は
印字マグネツト、１４は印字ワイヤ、１５は枠体
、１５ａはワイヤガイド、１６はアマチユア、１
７はコア、１８はコイル、１９は保持部、２０は
駆動ばね、２０ａは板ばね、２１ａ，２１ｂ，２
１ｄは磁路部、２１ｃはスペーサ、２２は永久磁
石、２３は熱伝導減少手段、２４は空隙部、２５
は断熱材、２７は取付け板である。 Figure 1 is a principle diagram of the print head of the present invention, Figures 2a and b are side sectional views showing the print head of the present invention,
FIG. 3 is a plan view illustrating a printer to which the present invention is applied, FIG. 4 is a side sectional view showing a conventional print head, and FIG. 5 is a plan view showing the arrangement of armatures. In the figure, 12 and 26 are printing heads, 13 is a printing magnet, 14 is a printing wire, 15 is a frame, 15a is a wire guide, 16 is an armature, 1
7 is a core, 18 is a coil, 19 is a holding part, 20 is a drive spring, 20a is a leaf spring, 21a, 21b, 2
1d is a magnetic path portion, 21c is a spacer, 22 is a permanent magnet, 23 is a heat conduction reducing means, 24 is a gap portion, 25
is a heat insulating material, and 27 is a mounting plate.

Claims

[Claims for Utility Model Registration] (1) A printing wire 14, a frame 15 to which a wire guide 15a for guiding the printing wire 14 to a predetermined position is fixed, and a printing magnet 13 for moving the printing wire 14 in and out. 1. A printing head comprising: a heat conduction reducing means 23 provided between the printing magnet 13 and the frame 15. (2) The printing head according to claim 1, wherein the heat conduction reducing means 23 is a gap 24 provided in a heat conduction path. (3) The printing head according to claim 1, wherein the heat conduction reducing means is a heat insulating material 25 provided in the heat conduction path.