JPH01133747A - Liquid jet recording head - Google Patents
Liquid jet recording headInfo
- Publication number
- JPH01133747A JPH01133747A JP62291964A JP29196487A JPH01133747A JP H01133747 A JPH01133747 A JP H01133747A JP 62291964 A JP62291964 A JP 62291964A JP 29196487 A JP29196487 A JP 29196487A JP H01133747 A JPH01133747 A JP H01133747A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- liquid chamber
- common liquid
- liquid
- supply port
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 208000019901 Anxiety disease Diseases 0.000 abstract 1
- 230000036506 anxiety Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17563—Ink filters
Landscapes
- Ink Jet (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は、液体噴射記録ヘットに関し、詳しくは、記録
液を噴射させて飛翔的液滴となし、液滴を被記録材に弾
着させて記録か行われる液体噴射記録ヘットに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a liquid jet recording head, and more specifically, the present invention relates to a liquid jet recording head, and more specifically, a recording head that jets recording liquid to form flying droplets and makes the droplets impact a recording material. The present invention relates to a liquid jet recording head that performs recording.
[従来の技術]
第3図は従来のこの種の記録ヘットの一例を示す。ここ
で、1は記録ヘット、2はその液路3の先端部に設けら
れた吐出口、4は液路3に配設され、波路内の記録液を
吐出口2から吐出させるエネルギーを発生させるための
エネルギー発生手段である。5は個々の液路3に連通し
ている共通液室であり、共通液室5には記録液供給口6
が設けられていて、その供給口6にL字型をなす供給管
7が接続されるか、8はその接続部に介装されたフィル
タハウシングである。また、9はフィルタハウシング8
に保持されたフィルタである。[Prior Art] FIG. 3 shows an example of a conventional recording head of this type. Here, 1 is a recording head, 2 is an ejection port provided at the tip of the liquid path 3, and 4 is provided in the liquid path 3, and generates energy to eject the recording liquid in the wave path from the ejection port 2. It is a means of generating energy for 5 is a common liquid chamber communicating with each liquid path 3, and the common liquid chamber 5 has a recording liquid supply port 6.
is provided, and an L-shaped supply pipe 7 is connected to the supply port 6, or 8 is a filter housing interposed at the connection part. Also, 9 is the filter housing 8
This is a filter held in
すなわち、本例ては、共通液室5の上部に設りられた記
録液供給口6にフィルタハウジング8のソゲ91〜部8
Aを嵌合わした上、更にそのフィルタハウシング8に供
給管7の端部か嵌合わされ、その嵌合わされた周囲部か
接着剤10によって接着されるように構成されていた。That is, in this example, the grooves 91 to 8 of the filter housing 8 are connected to the recording liquid supply port 6 provided at the upper part of the common liquid chamber 5.
In addition to fitting A into the filter housing 8, the end of the supply pipe 7 was also fitted into the filter housing 8, and the fitted periphery was bonded with an adhesive 10.
[発明か解決しようとする問題点]
しかしなから、従来のこのような液体噴射記録ヘットで
は、フィルタハウシングを介してフィルタか液室供給口
と供給管との間に配設された形態となっているために、
フィルタを交換しようとする場合、ごみか記録液と共に
フィルタハウジングのソケット部に垂れ込むような傾向
となり、ためにごみか共通液室の方に混入してしまって
好ましくなく、また取り外したあとのフィルタハウシン
グの清掃管理も容易でない上に、この部分のコンパクト
化の障害となっていた。[Problems to be solved by the invention] However, in the conventional liquid jet recording head, the filter is disposed between the liquid chamber supply port and the supply pipe via the filter housing. In order to
When you try to replace the filter, it tends to drip into the socket of the filter housing together with dirt or recording liquid, which is undesirable as the dirt gets mixed into the common liquid chamber. Cleaning and managing the housing was not easy, and it was also an obstacle to making this part more compact.
本発明の目的は、上述従来の問題点に着目し、その解決
を図るべくフィルタの着脱およびこみ処理が容易で共通
液室にこみか混入するようなことかない液体噴射記録ヘ
ットを提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to focus on the above-mentioned conventional problems, and to solve the problems, it is an object of the present invention to provide a liquid jet recording head in which the filter can be easily attached and removed, and dirt can be removed easily, and dirt does not get mixed into the common liquid chamber. be.
E問題点を解決するための手段]
かかる目的を達成するために、本発明は、複数の液路に
連通ずる共通液室を具え、共通液室の供給口に供給管か
らフィルタを介して記録液か供給可能なようにした液体
噴射記録ヘットにおいて、フィルタの中央部に凹部を形
成し、凹部の外周部を供給口に嵌合させた状態で保持さ
せるようにしたことを特徴とする。Means for Solving Problem E] In order to achieve the above object, the present invention includes a common liquid chamber communicating with a plurality of liquid channels, and records a liquid from a supply pipe to a supply port of the common liquid chamber via a filter. A liquid jet recording head capable of supplying liquid is characterized in that a recess is formed in the center of the filter, and the outer periphery of the recess is held in a state fitted to a supply port.
[作 用]
本発明によれは、そのフィルタ部材の液溜め用の凹部を
供給口から共通液室側に突出させた状態て嵌め込むよう
にして、その上から弾性部材により液密に保持させるよ
うにするので、フィルタの位置決めおよび着脱か容易で
、しかも外した場合においてもこみか含まれた記録液は
液溜め部に溜った状態に保たれるので、共通液室に垂れ
込んたりするようなことかない。[Function] According to the present invention, the filter member is fitted with the recess for the liquid reservoir protruding from the supply port toward the common liquid chamber side, and is held liquid-tight by an elastic member from above. Therefore, it is easy to position and remove the filter, and even when the filter is removed, the recording liquid containing dirt remains in the liquid reservoir, so there is no possibility of it dripping into the common liquid chamber. It's fleeting.
[実施例]
以下に、図面に基ついて本発明の実施例を詳細かつ具体
的に説明する。[Examples] Examples of the present invention will be described below in detail and specifically based on the drawings.
第1図は本発明の一実施例を示す。本例の液体噴射記録
ヘット11においては、フィルタ12が共通液室5の供
給口6に直接嵌め込まれるように構成される。すなわち
、この種の共通液室5におけるインクの供給口6は径か
例えは、4 m/m程度のものであるから、それに嵌ま
り込むようにするにはフィルタ12の嵌め込まれる部分
の径がそれより幾分小さい目の例えは3.8m/m程度
とするのか好適である。ただし、双方のかかる寸法間の
選択はケースバイケースであることはいうまてもない。FIG. 1 shows an embodiment of the invention. The liquid jet recording head 11 of this example is configured such that the filter 12 is directly fitted into the supply port 6 of the common liquid chamber 5. That is, since the ink supply port 6 in this type of common liquid chamber 5 has a diameter of, for example, about 4 m/m, the diameter of the part into which the filter 12 is fitted must be large enough to fit into it. It is preferable to use a somewhat smaller diameter, for example, about 3.8 m/m. However, it goes without saying that the selection between these dimensions will be on a case-by-case basis.
しかして、フィルタ12は上述したような嵌め込み形態
に好適なように段付きの皿状に形成されるもので、例え
ば第2A図に示すような丸皿状、あるいは第2B図に示
すような角皿状となして、その凹部12八を下方に突出
させ、その底面が共通液室5の側に直接露出されるよう
にする。なお、第2B図示のように角皿状とすれは、フ
ィルタ自体を嵌め込んた状態で回り止めした状態にしっ
かり位置決めすることかできる。Therefore, the filter 12 is formed into a stepped dish shape suitable for the above-mentioned fitting configuration, such as a round dish shape as shown in FIG. 2A, or an angular dish shape as shown in FIG. 2B. It is shaped like a dish, and its recess 128 is made to protrude downward so that its bottom surface is directly exposed to the common liquid chamber 5 side. In addition, as shown in FIG. 2B, the square plate shape and the groove can be firmly positioned in a state in which the filter itself is fitted and prevented from rotating.
13は嵌め合わされたフィルタ120つば部12Bを上
方から覆蓋してフィルタ12を液密に保つための弾性封
止部材てあり、弾性封止部材13のソケ・ント部13八
にL字型供給管7か嵌め込まれる。なお、この場合、供
給管7かソケット部13八から抜は出さないように供給
管7の上部からは不図示のばね部材によるばね力を作用
させるものとする。Reference numeral 13 denotes an elastic sealing member for keeping the filter 12 liquid-tight by covering the fitted filter 120 flange 12B from above, and an L-shaped supply pipe is connected to the socket 138 of the elastic sealing member 13. 7 is fitted. In this case, a spring force is applied from the upper part of the supply pipe 7 by a spring member (not shown) so that the supply pipe 7 is not pulled out from the socket portion 138.
このように構成した液体噴射記録ヘッド11においては
、共通液室5に供給管7を介して供給されるインクがフ
ィルタ12によって濾過され、それによって吐出口2か
らインクを吐出させるときの目詰まりが防止され、しか
もフィルタ12自体がしつかり位置決めされた上弾性部
材によって十分液密な状態に保たれるのでインク漏れの
虞がなく、しかもフィルタ交換時にはフィルタ12の凹
部12Aによってごみの多いインクか受は止められるの
て、これを取り外しても共通液室5の側に流れ込む心配
がない。また、フィルタ12のセットが極めて容易てあ
り、生産時の手間を省くことができる上、フィルタの形
状等設計上の自由度が得られ、また、取イ」り部のコン
パクト化を図ることかてき[発明の効果]
以上説明してきたように、本発明によれは、フィルタの
中央部に凹部を形成し、その凹部を共通液室の記録液供
給口に嵌合した状態て保持させ、その凹部を供給口から
共通液室側に突出させるようにしたのでフィルタの位置
決めか簡単でしかもフィルタを交換するときに記録液と
共にごみが共通液室に入り込むようなことかなくなり、
また、上記フィルタを弾性液密部側を介して供給管と共
に液密に保たれるようにしたのて、交換の都度従来のよ
うに接着したりする必要かなくなり、省力化に貢献する
ことかできる。In the liquid jet recording head 11 configured in this manner, ink supplied to the common liquid chamber 5 via the supply pipe 7 is filtered by the filter 12, thereby preventing clogging when ink is ejected from the ejection ports 2. Moreover, since the filter 12 itself is kept in a sufficiently liquid-tight state by the firmly positioned elastic member, there is no risk of ink leakage, and when the filter 12 is replaced, the concave portion 12A of the filter 12 will receive the ink with a lot of dirt. Since the liquid can be stopped, there is no fear that it will flow into the common liquid chamber 5 even if it is removed. In addition, the filter 12 is extremely easy to set, which saves time and effort during production. It also provides flexibility in designing the shape of the filter, and allows for a more compact design. [Effects of the Invention] As explained above, according to the present invention, a recess is formed in the center of the filter, and the recess is held in a state where the recess is fitted into the recording liquid supply port of the common liquid chamber. Since the concave part is made to protrude from the supply port toward the common liquid chamber, positioning the filter is easy, and when replacing the filter, there is no possibility of dirt entering the common liquid chamber along with the recording liquid.
In addition, since the filter is kept liquid-tight with the supply pipe through the elastic liquid-tight part, there is no need to glue it together each time it is replaced, which contributes to labor savings. can.
第1図は本発明液体噴射記録ヘットの構成の一例を示す
断面図、
第2A図および第2B図は本発明にかかるフィルタの2
つの形態例をそれぞれ示ず側視図、第3図は従来の液体
噴射記録ヘラ1〜の構成の一例を示す断面図である。
1.11・・・記録ヘラ1〜.
2・・・吐出口、
3 ・・・7夜路、
4・・・エネルキー発生手段、
5・・・共通液室、
6 ・・・イJ支秀110.
7・・・供給管、
12・・・フィルタ、
12A・・・凹部、
12B・・・つば部、
13・・・弾性月止部洞、
13八・・・ソケ・ント部。FIG. 1 is a sectional view showing an example of the configuration of a liquid jet recording head according to the present invention, and FIGS. 2A and 2B are two views of a filter according to the present invention.
FIG. 3 is a sectional view showing an example of the structure of a conventional liquid jet recording spatula 1. 1.11...recording spatula 1~. 2...Discharge port, 3...7 night passage, 4...Energy generating means, 5...Common liquid chamber, 6...AJ support 110. 7... Supply pipe, 12... Filter, 12A... Recessed part, 12B... Collar part, 13... Elastic stopper cavity, 138... Socket part.
Claims (1)
給口に供給管からフィルタを介して記録液が供給可能な
ようにした液体噴射記録ヘッドにおいて、 前記フィルタの中央部に凹部を形成し、該凹部の外周部
を前記供給口に嵌合させた状態で保持させるようにした
ことを特徴とする液体噴射記録ヘッド。[Scope of Claims] A liquid jet recording head comprising a common liquid chamber communicating with a plurality of liquid paths, and recording liquid can be supplied from a supply pipe to a supply port of the common liquid chamber via a filter, comprising: 1. A liquid jet recording head, characterized in that a recess is formed in the center of the filter, and the outer periphery of the recess is held in a state fitted to the supply port.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62291964A JPH01133747A (en) | 1987-11-20 | 1987-11-20 | Liquid jet recording head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62291964A JPH01133747A (en) | 1987-11-20 | 1987-11-20 | Liquid jet recording head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01133747A true JPH01133747A (en) | 1989-05-25 |
Family
ID=17775742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62291964A Pending JPH01133747A (en) | 1987-11-20 | 1987-11-20 | Liquid jet recording head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01133747A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03208661A (en) * | 1990-01-12 | 1991-09-11 | Canon Inc | Ink jet recording head and manufacture thereof |
EP0574888A2 (en) * | 1992-06-16 | 1993-12-22 | Canon Kabushiki Kaisha | Ink jet cartridge and ink jet apparatus having same |
WO1995001878A1 (en) * | 1993-07-09 | 1995-01-19 | Canon Kabushiki Kaisha | Resin ink jet filter and method of manufacturing the same |
US5900898A (en) * | 1992-12-25 | 1999-05-04 | Canon Kabushiki Kaisha | Liquid jet head having a contoured and secured filter, liquid jet apparatus using same, and method of immovably securing a filter to a liquid receiving member of a liquid jet head |
EP0931658A1 (en) * | 1998-01-23 | 1999-07-28 | Océ-Technologies B.V. | Ink jet device with filter element |
US6592215B2 (en) | 2000-11-02 | 2003-07-15 | Canon Kabushiki Kaisha | Liquid ejection recording head |
KR100510123B1 (en) * | 2002-06-05 | 2005-08-25 | 삼성전자주식회사 | Ink jet cartridge |
KR100744072B1 (en) * | 1999-11-04 | 2007-07-30 | 삼성전자주식회사 | Ink bottle for use in an ink-jet printer |
JP2013018241A (en) * | 2011-07-13 | 2013-01-31 | Toshiba Tec Corp | Inkjet head and method for fixing filter device of inkjet head |
JP2015174392A (en) * | 2014-03-17 | 2015-10-05 | セイコーエプソン株式会社 | Liquid jet head and liquid jet apparatus |
-
1987
- 1987-11-20 JP JP62291964A patent/JPH01133747A/en active Pending
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03208661A (en) * | 1990-01-12 | 1991-09-11 | Canon Inc | Ink jet recording head and manufacture thereof |
EP0574888A2 (en) * | 1992-06-16 | 1993-12-22 | Canon Kabushiki Kaisha | Ink jet cartridge and ink jet apparatus having same |
EP0574888A3 (en) * | 1992-06-16 | 1994-06-29 | Canon Kk | Ink jet cartridge and ink jet apparatus having same |
US5502479A (en) * | 1992-06-16 | 1996-03-26 | Canon Kabushiki Kaisha | Ink jet cartridge and ink jet apparatus having same |
US5900898A (en) * | 1992-12-25 | 1999-05-04 | Canon Kabushiki Kaisha | Liquid jet head having a contoured and secured filter, liquid jet apparatus using same, and method of immovably securing a filter to a liquid receiving member of a liquid jet head |
WO1995001878A1 (en) * | 1993-07-09 | 1995-01-19 | Canon Kabushiki Kaisha | Resin ink jet filter and method of manufacturing the same |
EP0931658A1 (en) * | 1998-01-23 | 1999-07-28 | Océ-Technologies B.V. | Ink jet device with filter element |
KR100744072B1 (en) * | 1999-11-04 | 2007-07-30 | 삼성전자주식회사 | Ink bottle for use in an ink-jet printer |
US6592215B2 (en) | 2000-11-02 | 2003-07-15 | Canon Kabushiki Kaisha | Liquid ejection recording head |
KR100510123B1 (en) * | 2002-06-05 | 2005-08-25 | 삼성전자주식회사 | Ink jet cartridge |
JP2013018241A (en) * | 2011-07-13 | 2013-01-31 | Toshiba Tec Corp | Inkjet head and method for fixing filter device of inkjet head |
JP2015174392A (en) * | 2014-03-17 | 2015-10-05 | セイコーエプソン株式会社 | Liquid jet head and liquid jet apparatus |
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