JPH0357033U - - Google Patents
Info
- Publication number
- JPH0357033U JPH0357033U JP11799589U JP11799589U JPH0357033U JP H0357033 U JPH0357033 U JP H0357033U JP 11799589 U JP11799589 U JP 11799589U JP 11799589 U JP11799589 U JP 11799589U JP H0357033 U JPH0357033 U JP H0357033U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- guide
- armature
- head frame
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Impact Printers (AREA)
Description
第１図は本考案の実施例を示すワイヤドツト印
字ヘツドの断面図、第２図は第１図のＡ−Ａ矢示
断面図、第３図は注入される液体の粘度とインパ
クト力減少率の関係図、第４図は従来のバネチヤ
ージ型のワイヤドツト印字ヘツドの一部断面図。
１…ヘツドフレームホルダ、２…コア、３…板
バネ、４…オーマチユア、５…自由端、６…印字
ワイヤ、７…アーマチユアヨーク、８…磁性スペ
ーサ、９…マグネツトヨーク、１０…永久磁石、
１１…絶縁板、１２…基板、１３…消磁コイル、
１４…コイルホビン、１６…キヤツプ、１７…ク
ランプスプリング、１８…ヘツトフレーム、１９
…先端ガイド、２１…第一ガイド、２２…第二ガ
イド、２５…内側ガイド、２６…液体。
Fig. 1 is a cross-sectional view of a wire dot printing head showing an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the line A-A in Fig. 1, and Fig. 3 shows the relationship between the viscosity of the injected liquid and the impact force reduction rate. FIG. 4 is a partial sectional view of a conventional spring charge type wire dot printing head. 1... Head frame holder, 2... Core, 3... Leaf spring, 4... Automatic armature, 5... Free end, 6... Printing wire, 7... Armature yoke, 8... Magnetic spacer, 9... Magnetic yoke, 10... Permanent. magnet,
11... Insulating plate, 12... Substrate, 13... Demagnetizing coil,
14... Coil hobbin, 16... Cap, 17... Clamp spring, 18... Head frame, 19
...Top guide, 21...First guide, 22...Second guide, 25...Inner guide, 26...Liquid.
Claims (1)
該アーマチユアに対向して設けられるコアと、上
記アーマチユアを支持するバイアス用のバネと、
上記コアに巻装され、励磁時に磁束を発生して上
記アーマチユアを揺動するコイルからなるワイヤ
ドツト印字ヘツドにおいて、 ａ ヘツドフレームの先端に設けられて印字ワイ
ヤを案内する先端ガイドと、 ｂ ヘツドフレームの内部のヘツドフレームホル
ダに隣接する位置に設けられる内側ガイドを有し
、 ｃ ヘツドフレーム、先端ガイド及び内側ガイド
により包囲される空間に粘度１００〜２０００ｃ
ｓｔの液体が注入され密閉されたことを特徴とす
るワイヤドツト印字ヘツド。[Scope of claim for utility model registration] An armature with a printing wire fixed to the tip,
a core provided opposite to the armature; a bias spring supporting the armature;
A wire dot printing head consisting of a coil that is wound around the core and that generates magnetic flux when excited to swing the armature, includes: (a) a tip guide provided at the tip of the head frame to guide the printing wire; (b) a tip guide provided at the tip of the head frame; It has an inner guide installed at a position adjacent to the internal head frame holder, and a space surrounded by the head frame, the tip guide, and the inner guide has a viscosity of 100 to 2000 c.
A wire dot printing head characterized by being injected with a st liquid and sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11799589U JPH0357033U (en) | 1989-10-09 | 1989-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11799589U JPH0357033U (en) | 1989-10-09 | 1989-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0357033U true JPH0357033U (en) | 1991-05-31 |
Family
ID=31666189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11799589U Pending JPH0357033U (en) | 1989-10-09 | 1989-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0357033U (en) |
-
1989
- 1989-10-09 JP JP11799589U patent/JPH0357033U/ja active Pending
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