JPS62182737U - - Google Patents
Info
- Publication number
- JPS62182737U JPS62182737U JP7127086U JP7127086U JPS62182737U JP S62182737 U JPS62182737 U JP S62182737U JP 7127086 U JP7127086 U JP 7127086U JP 7127086 U JP7127086 U JP 7127086U JP S62182737 U JPS62182737 U JP S62182737U
- Authority
- JP
- Japan
- Prior art keywords
- core
- yoke
- permanent magnet
- flange
- iron core
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims 1
- 238000005495 investment casting Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Impact Printers (AREA)
Description
第１図は本考案に係る印字ヘツドの一実施例を
示す縦断面図、第２図は本考案を特徴づけるコア
とヨークとを形成する磁性部材を説明するための
概略説明図、第３図ａ，ｂはアーマチユアホルダ
の正面図および断面図、第４図ａ，ｂはアーマチ
ユアを形成する磁性円板を示す一部省略正面図お
よび断面図、第５図および第６図は本考案の別の
実施例を示す要部断面図である。
１……印字ヘツド、２……コア、２ａ……円筒
状基部、２ｂ……磁性面、２ｃ……鉄芯部、２ｄ
……フランジ、３……永久磁石、４……ヨーク、
４ａ……リーク部、５……励磁コイル、６……励
磁機構、７……アーマチユアホルダ、７ｂ……段
部、７ｃ……放射状溝、８……板ばね、８ａ……
内方端、１０……ニードルホルダ、１１……アー
マチユア、１１ａ……内方端、１２……ニードル
。
FIG. 1 is a vertical sectional view showing an embodiment of the printing head according to the present invention, FIG. 2 is a schematic explanatory diagram for explaining the magnetic member forming the core and yoke that characterize the present invention, and FIG. 3 a, b are a front view and a sectional view of the armature holder, FIGS. 4 a, b are a partially omitted front view and a sectional view showing the magnetic disc forming the armature, and FIGS. 5 and 6 are views of the present invention. FIG. 3 is a cross-sectional view of main parts showing another embodiment of the present invention. 1... Printing head, 2... Core, 2a... Cylindrical base, 2b... Magnetic surface, 2c... Iron core, 2d
...Flange, 3...Permanent magnet, 4...Yoke,
4a...Leak part, 5...Exciting coil, 6...Exciting mechanism, 7...Armatule holder, 7b...Step part, 7c...Radial groove, 8...Leaf spring, 8a...
Inner end, 10... Needle holder, 11... Armature, 11a... Inner end, 12... Needle.
Claims (1)
鉄芯部が前端部周方向に所定間隔おいて突設され
るとともに後端部外周にフランジを有するコアと
、このコアのフランジ前端部側に永久磁石を介し
て積層して固着されかつ永久磁石側の端部内周部
に前記コア側と所定間隔をおいて対向し側磁路を
構成するリーク部を有するヨークと、このヨーク
前端部側に設けた板ばねに支持され前記鉄芯部側
に常時は永久磁石からの磁束回路にて磁気吸着さ
れるとともにその内方端にニードルを固着してな
るアーマチユアを備え、前記コアとヨークとを、
精密鋳造法により一体に形成した磁性部材を軸線
に直交する面で分割することによつて形成したこ
とを特徴とする印字ヘツド。 A core having a substantially cylindrical shape and having a plurality of exciting coil winding iron core portions protruding at predetermined intervals in the circumferential direction of the front end and a flange on the outer periphery of the rear end, and a flange front end side of the core. a yoke which is laminated and fixed to the yoke via a permanent magnet and has a leak part on the inner peripheral part of the end on the permanent magnet side facing the core side at a predetermined interval and forming a side magnetic path; and a front end side of the yoke. An armature is supported by a leaf spring provided on the iron core side, is always magnetically attracted by a magnetic flux circuit from a permanent magnet, and has a needle fixed to its inner end, and the core and yoke are connected to each other. ,
A print head characterized in that it is formed by dividing a magnetic member integrally formed by a precision casting method on a plane perpendicular to the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7127086U JPS62182737U (en) | 1986-05-14 | 1986-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7127086U JPS62182737U (en) | 1986-05-14 | 1986-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62182737U true JPS62182737U (en) | 1987-11-19 |
Family
ID=30913676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7127086U Pending JPS62182737U (en) | 1986-05-14 | 1986-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62182737U (en) |
-
1986
- 1986-05-14 JP JP7127086U patent/JPS62182737U/ja active Pending
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