JPH036938U - - Google Patents
Info
- Publication number
- JPH036938U JPH036938U JP6581789U JP6581789U JPH036938U JP H036938 U JPH036938 U JP H036938U JP 6581789 U JP6581789 U JP 6581789U JP 6581789 U JP6581789 U JP 6581789U JP H036938 U JPH036938 U JP H036938U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- core
- magnetic flux
- print head
- permanent magnet
- 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
- 239000000945 filler Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 5
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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図はワイヤドツト印字ヘ
ツドの放熱経路図、第３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、第４
図は貫通穴を設けた場合のワイヤドツト印字ヘツ
ドの断面図である。
１…印字ワイヤ、２…板バネ、３…アーマチユ
ア、４…印字ワイヤ、５…永久磁石、６…電磁石
、７…コイルボビン、８…端子、９…永久磁石、
１０…スペーサ、１１…ガイド、１２…ヘツド基
板、１３…ヒートシンクキヤツプ、１９，２９…
充填剤。
Fig. 1 is a sectional view of a wire dot printing head showing an embodiment of the present invention, Fig. 2 is a heat radiation path diagram of the wire dot printing head, Fig. 3 is a partial sectional view of a conventional spring charge type wire dot printing head, and Fig. 4 is a partial sectional view of a conventional spring charge type wire dot printing head.
The figure is a cross-sectional view of a wire dot print head in which a through hole is provided. DESCRIPTION OF SYMBOLS 1... Printing wire, 2... Leaf spring, 3... Armature, 4... Printing wire, 5... Permanent magnet, 6... Electromagnet, 7... Coil bobbin, 8... Terminal, 9... Permanent magnet,
DESCRIPTION OF SYMBOLS 10...Spacer, 11...Guide, 12...Head board, 13...Heat sink cap, 19, 29...
filler.
Claims (1)
と、該アーマチユアに対向して設けられるコアと
、上記アーマチユアが接合されるとともに片持ち
梁式に支持される板バネと、磁束を発生して該板
バネの弾性力に抗して上記アーマチユアをコアに
吸引させる永久磁石と、上記コアに巻装され、通
電によつてコアから磁束を発生させ、上記永久磁
石の磁束を打ち消してアーマチユアを解放するコ
イルからなるワイヤドツト印字ヘツドにおいて、 ヒートシンクキヤツプとベースに支持された印
字ヘツド本体間の空間層に、両者に密着するよう
に、熱伝導性が良く１００Ｐ以上の粘度の充填剤
を配設することを特徴とするワイヤドツト印字ヘ
ツド。 (2) 先端に印字ワイヤを固着したアーマチユア
と、該アーマチユアに対向して設けられるコアと
、上記アーマチユアが接合されるとともに片持ち
梁式に支持される板バネと、磁束を発生して該板
バネの弾性力に抗して上記アーマチユアをコアに
吸引させる永久磁石と、上記コアに巻装され、通
電によつてコアから磁束を発生させ、上記永久磁
石の磁束を打ち消してアーマチユアを解放するコ
イルからなるワイヤドツト印字ヘツドにおいて、
ヒートシンクキヤツプとベースに支持された印字
ヘツド本体間の空間層に、両者に密着するように
、熱伝導性が良い板状の樹脂を配設することを特
徴とするワイヤドツト印字ヘツド。[Claims for Utility Model Registration] (1) An armature with a printing wire fixed to its tip, a core provided opposite to the armature, and a leaf spring to which the armature is joined and supported in a cantilevered manner. , a permanent magnet that generates magnetic flux and attracts the armature to the core against the elastic force of the leaf spring; and a permanent magnet that is wound around the core and generates magnetic flux from the core when energized; In a wire dot print head consisting of a coil that cancels out the heat and releases the armature, a filler with good thermal conductivity and a viscosity of 100 P or more is filled in the space between the heat sink cap and the print head body supported by the base so that it adheres to both. A wire dot printing head characterized by disposing a dot agent. (2) An armature with a printing wire fixed to its tip, a core provided opposite to the armature, a leaf spring to which the armature is joined and supported in a cantilevered manner, and generates magnetic flux to A permanent magnet that attracts the armature to the core against the elastic force of the spring, and a coil that is wound around the core and generates magnetic flux from the core when energized, canceling the magnetic flux of the permanent magnet and releasing the armature. In a wire dot print head consisting of
A wire dot print head characterized in that a plate-shaped resin having good thermal conductivity is disposed in a space between a heat sink cap and a print head body supported by a base so as to be in close contact with both.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6581789U JPH036938U (en) | 1989-06-07 | 1989-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6581789U JPH036938U (en) | 1989-06-07 | 1989-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH036938U true JPH036938U (en) | 1991-01-23 |
Family
ID=31597990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6581789U Pending JPH036938U (en) | 1989-06-07 | 1989-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036938U (en) |
-
1989
- 1989-06-07 JP JP6581789U patent/JPH036938U/ja active Pending
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