JPS609638U

JPS609638U - Gap regulation device for electromagnetic plunger in print head of dot printer

Info

Publication number: JPS609638U
Application number: JP10141183U
Authority: JP
Inventors: 弘菊池; 和夫石割
Original assignee: Nidec Copal Corp
Current assignee: Nidec Precision Corp
Priority date: 1983-06-30
Filing date: 1983-06-30
Publication date: 1985-01-23

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は第２図の断面線Ｉ−Ｉ’による本考案の印字ヘ
ッドの断面図。第２図は第１図の線■−■による端面図
。第３図は第２図の断面線Ｉ−ＩＩＩによる断面図。１・・・・・・プリント基板、２．６・・・・・・磁性
ヨーク、３・・・・・・クラッパ、４・・・・・・ニー
ドル、７・・・・・・絶縁シート、８・・・・・・クラ
ッパガイド板、９・・・・・・クラッパ押えばね、１０
・・・・・・ストッパ基板、１１・・曲カバー、１２・
・・・・・戻しばね支持部材、１３・・・・・・戻しば
ね、１４．１６・・・・・・ニードルガイド、１５・・
・・・・フロントカバー、１７・・・・・・プラテン、
１９・・・・・・印字紙、２０・・・・・・ストッパゴ
ム、２１・・・・・・アラミツド紙、２２・・・・・・
可動鉄心、２３・・・・・・固定鉄心、２４・・・・・
・電磁コイル、２５・・・・・・位置決め用コラム、２
６・・・・・・高さ規定用コラム。FIG. 1 is a sectional view of the print head of the present invention taken along section line II' in FIG. FIG. 2 is an end view taken along the line ■--■ in FIG. FIG. 3 is a sectional view taken along section line I-III in FIG. 2. 1...Printed circuit board, 2.6...Magnetic yoke, 3...Clapper, 4...Needle, 7...Insulating sheet, 8...Clapper guide plate, 9...Clapper press, 10
... Stopper board, 11... Song cover, 12.
... Return spring support member, 13 ... Return spring, 14.16 ... Needle guide, 15 ...
...Front cover, 17...Platen,
19... Print paper, 20... Stopper rubber, 21... Aramid paper, 22...
Movable core, 23...Fixed core, 24...
・Electromagnetic coil, 25...Positioning column, 2
6...Column for height regulation.

Claims

[Scope of utility model registration request]

(1) It is loosely fitted into the guide groove of the clapper guide plate with its position regulated, the printing needle is fixed to the free end, and the base end on the opposite side is pressed by the clapper pressing spring supported by the stopper board. a plurality of clappers pivotally supported and having a movable core fixed in the intermediate section and biased by a return spring to a position that normally holds the needle in the non-printing position; and a fixture cooperating with said movable core; The electromagnetic plunger consists of an iron core and an electromagnetic coil, and when the electromagnetic coil is energized, the fixed iron core attracts the movable iron core, returns the clapper, pivots against the action of a spring, and moves the needle to the printing operating position. In the print head of the dot printer, a stopper member for stopping the clapper biased by the return spring and holding the needle in a non-printing position is disposed near the free end beyond the movable iron core from the base end of the clapper. and is supported by the stopper substrate, thereby making it possible to limit the variation in the gap between the movable core and the fixed core in the non-printing position to be smaller than the size and assembly position error of the stopper member, thereby eliminating the need for gap adjustment work. A gap regulating device for an electromagnetic plunger in a print head of a dot printer, characterized in that:

(2) The stopper member is made of a stopper rubber member and wear-resistant paper.Claim No. (1)]E
A gap regulating device for an electromagnetic plunger in a print head of a dot printer described in J.