JPS6315150B2 - - Google Patents
Info
- Publication number
- JPS6315150B2 JPS6315150B2 JP54032043A JP3204379A JPS6315150B2 JP S6315150 B2 JPS6315150 B2 JP S6315150B2 JP 54032043 A JP54032043 A JP 54032043A JP 3204379 A JP3204379 A JP 3204379A JP S6315150 B2 JPS6315150 B2 JP S6315150B2
- Authority
- JP
- Japan
- Prior art keywords
- ink
- ink supply
- power switch
- supply channel
- supply path
- 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.)
- Expired
Links
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
Landscapes
- Ink Jet (AREA)
Description
【発明の詳細な説明】
本発明はインクオンデイマンド型インクジエツ
トプリンターのインク供給機構に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an ink supply mechanism for an ink-on-demand type inkjet printer.
インクジエツトプリンターは消費電力が少な
い、印字紙を選ばない、無接触印字であるために
印字音が無い等の利点を有しているが、プリンタ
ーの移動時の振動により、インク供給管，インク
タンクが変形しインク路内の内圧が増減し、ノズ
ルよりインクがにじみでる、更に通常ノズルは負
圧でバランスがとれているが、姿勢を変えること
により正圧となる可能性もありノズルよりインク
が流出する事もある等の問題点を有していた。 Inkjet printers have advantages such as low power consumption, no choice of printing paper, and non-contact printing, so there is no printing noise. deforms, the internal pressure in the ink path increases or decreases, and ink oozes out from the nozzle.Furthermore, normally the nozzle is balanced with negative pressure, but changing its position may result in positive pressure, causing ink to ooze out from the nozzle. There were problems such as leakage.
本発明は上記問題点に鑑みなされたもので、そ
の目的はプリンターの移動時の振動があつてもノ
ズルからインクがにじみでたり、印字姿勢を変え
てもノズルからインクが流出したりすることのな
いインクジエツトプリンターのインク供給機構を
提供することである。 The present invention was developed in view of the above problems, and its purpose is to prevent ink from oozing out of the nozzles even when the printer is moved due to vibrations, and to prevent ink from flowing out from the nozzles even when the printing position is changed. It is an object of the present invention to provide an ink supply mechanism for an inkjet printer that does not have a conventional inkjet printer.
以下図面を用いて実施例を説明する。第１図は
本発明による実施例の印刷装置付演算器の外観図
であり、第２図は第１図の印刷装置の拡大断面図
である。 Examples will be described below with reference to the drawings. FIG. 1 is an external view of an arithmetic unit with a printing device according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of the printing device shown in FIG. 1.
筐体１には、キーボード２、電源スイツチ１０
が配置され、内部に駆動制御演算用集積回路３、
装置駆動用電池１１等が納められている。印刷部
はインクオンデイマンド型のインクジエツトヘツ
ド４とその圧力印加手段のPZT５が接合されて
おり矢印６の如く左右に移動して印字紙１２に印
字する。インクを貯えるインク溜８とインクジエ
ツトヘツド４はインク供給路７で結ばれており、
インク供給路７は印字解除レバー９と電源スイツ
チ１０を通過している。なお、電源スイツチ１０
と印字解除レバー９は、それぞれ後に詳述するよ
うにインク供給路７を開閉する開閉手段と連動す
るようになつている。 The housing 1 includes a keyboard 2 and a power switch 10.
is arranged inside, and a drive control calculation integrated circuit 3,
A battery 11 for driving the device and the like are housed therein. The printing section has an ink-on-demand type ink jet head 4 and a pressure applying means PZT 5 connected thereto, and prints on the printing paper 12 by moving left and right as shown by the arrow 6. An ink reservoir 8 for storing ink and an ink jet head 4 are connected by an ink supply path 7.
The ink supply path 7 passes through a print release lever 9 and a power switch 10. In addition, the power switch 10
The print release lever 9 and the print release lever 9 are adapted to operate in conjunction with opening/closing means for opening and closing the ink supply path 7, as will be described in detail later.
次に第２図にて前記インク供給路の開閉手段を
詳細に説明する。第２図は第１図の装置に於ける
印字装置部の拡大断面図である。インク溜８とイ
ンクジエツトヘツド４をつなぐインク供給路７
は、先ず電源スイツチ１０の場所で開閉手段が設
けられている。回転可能に支点２３に軸支された
バルブ片１０−ｃは、インク供給路７を押圧する
バルブ凸部１０−ｆと、電源スイツチ１０の凸部
１０−ｂと係合する凸部１０−ａを有しており、
筐体１に設けたバネ２４により反時計方向に付勢
されている。バルブ片１０−ｃのバルブ凸部１０
−ｆに対応した場所の筐体１にはインク供給路７
をはさみ込むようにバルブ凸部１−ｂが設けられ
ている。電源スイツチ１０は矢印２５，２６方向
にスライド可能に設けられており、矢印２６方向
にスライドして電源をONした状態で凸部１０−
ｂが凸部１０−ａに係合してバルブ片１０−ｃを
支点２３を中心にして時計方向に回転させ、保持
端部１０−ｅがバルブ片の端部１０−ｄと係合し
て、バルブ凸部１０−ｆはインク供給路７の押圧
を解除した状態に保たれインク供給路７は開放さ
れる。 Next, referring to FIG. 2, the means for opening and closing the ink supply path will be explained in detail. FIG. 2 is an enlarged sectional view of the printing device section of the apparatus shown in FIG. Ink supply path 7 connecting ink reservoir 8 and ink jet head 4
First, an opening/closing means is provided at the power switch 10. The valve piece 10-c rotatably supported on the fulcrum 23 has a valve protrusion 10-f that presses the ink supply path 7 and a protrusion 10-a that engages with the protrusion 10-b of the power switch 10. It has
It is biased counterclockwise by a spring 24 provided in the housing 1. Valve protrusion 10 of valve piece 10-c
- The ink supply path 7 is located in the housing 1 at the location corresponding to f.
A valve convex portion 1-b is provided so as to sandwich the valve convex portion 1-b. The power switch 10 is provided so as to be slidable in the directions of arrows 25 and 26. When the power switch 10 is turned on by sliding in the direction of arrows 26, the convex portion 10-
b engages with the protrusion 10-a to rotate the valve piece 10-c clockwise about the fulcrum 23, and the holding end 10-e engages with the end 10-d of the valve piece. , the valve convex portion 10-f is maintained in a state in which the pressure on the ink supply path 7 is released, and the ink supply path 7 is opened.
次に矢印２５方向に電源スイツチ１０をスライ
ドさせると電源はOFFとなり、バルブ片１０−
ｃは電源スイツチ１０−ｅ、凸部１０−ｂとの係
合がはずれて支点２３を中心に反時計方向に回転
し、バルブ凸部１０−ｆがインク供給路７を押圧
してインク供給路７を閉じた状態に保ち、インク
溜８からのインク供給は停止する。回転可能に支
点１９に軸支された印字解除レバー９は凸部９−
ａを有し、筐体凸部１ａとの間のインク供給路７
を押圧するよう矢印２１方向にバネ１７により付
勢されている。筐体１が持ち上げられた状態で
は、印字解除レバー９はバネ１７により矢印２１
方向に回転し、インク供給路７を押圧してインク
供給路７を閉じる。 Next, slide the power switch 10 in the direction of the arrow 25 to turn off the power, and the valve piece 10-
The valve c disengages from the power switch 10-e and the convex portion 10-b and rotates counterclockwise around the fulcrum 23, causing the valve convex portion 10-f to press the ink supply path 7 and open the ink supply path. 7 is kept closed, and ink supply from the ink reservoir 8 is stopped. The print release lever 9 rotatably supported on a fulcrum 19 has a convex portion 9-
an ink supply path 7 between the housing convex portion 1a and the housing convex portion 1a.
It is biased by a spring 17 in the direction of arrow 21 so as to press . When the housing 1 is lifted up, the print release lever 9 is moved in the direction of the arrow 21 by the spring 17.
direction, presses the ink supply path 7, and closes the ink supply path 7.
印字をするために印字紙１２上に筐体１を置い
た状態では、印字解除レバーは筐体１の自重によ
り矢印方向に回転し、凸部９−ａがインク供給路
７の押圧を解除し、インク供給路７を開くように
なつている。 When the housing 1 is placed on the printing paper 12 for printing, the print release lever rotates in the direction of the arrow due to the weight of the housing 1, and the convex portion 9-a releases the pressure on the ink supply path 7. , the ink supply path 7 is opened.
筐体１を印字紙１２上に置き、電源スイツチ１
０をONの状態にすると印字が可能となる。先に
述べたように、印字解除レバーの凸部９−ａ、バ
ルブ片１０−ｃのバルブ凸部１０−ｆがそれぞれ
インク供給路７の押圧を解除して、インク溜８か
らインクジエツトヘツド４までのインク供給路７
が開かれた状態となる。印刷時のインクジエツト
ヘツド４はインク供給口２０よりインク圧力室１
３内にインクが満され、PZT５に電気信号が印
加されることにより、インク圧力室１３内のイン
クが加圧されてノズル１４よりインク粒子１５を
発射する。 Place the housing 1 on the printing paper 12, and turn the power switch 1.
Printing is enabled when 0 is set to ON. As mentioned above, the convex portion 9-a of the print release lever and the valve convex portion 10-f of the valve piece 10-c release the pressure on the ink supply path 7, and the ink is discharged from the ink reservoir 8 to the ink jet head 4. Ink supply path 7 up to
becomes open. During printing, the ink jet head 4 is connected to the ink pressure chamber 1 from the ink supply port 20.
When the chamber 3 is filled with ink and an electric signal is applied to the PZT 5, the ink within the ink pressure chamber 13 is pressurized and ink particles 15 are ejected from the nozzle 14.
次に、電源スイツチ１０をOFFにすると前述
のようにバルブ片１０−ｃによりインク供給路７
が押圧されて閉じる。さらに筐体１を持ち上げる
と、印字解除レバー９がインク供給路７が押圧さ
れて閉じる。 Next, when the power switch 10 is turned off, the ink supply path 7 is opened by the valve piece 10-c as described above.
is pressed to close. When the housing 1 is further lifted, the print release lever 9 presses the ink supply path 7 and closes it.
以上述べたように本発明によれば、電源スイツ
チに連動してインク供給路の開閉を行なう開閉手
段を設けたため、プリンターの運搬時等の非印字
状態ではインク供給路が完全に閉じられてノズル
からインクの流出等の不都合を生じることがな
い。 As described above, according to the present invention, since the opening/closing means for opening and closing the ink supply path in conjunction with the power switch is provided, the ink supply path is completely closed when the printer is not printing, such as during transportation, and the nozzle is closed. There will be no inconvenience such as ink leakage.
さらに、開閉手段が電源スイツチに連動して機
械的に作動するため、電気的雑音の影響もなく動
作が確実であり、構造も簡単である。また、電気
エネルギーの消費もなく低電力型のインクジエツ
トプリンターの機構として最適である。 Furthermore, since the opening/closing means is mechanically operated in conjunction with the power switch, the operation is reliable without being affected by electrical noise, and the structure is simple. Furthermore, it consumes no electrical energy and is ideal as a mechanism for low-power inkjet printers.
更にプリンターの駆動の為の一連の動作の中に
開閉手段を入れてあるから誤操作はあり得ない。 Furthermore, since the opening/closing means is included in the series of operations for driving the printer, there is no possibility of erroneous operation.
尚、本発明のインク路は一体チユーブで処理す
ることも構造上可能であり、気泡の混入の改善策
として効果がある。 It should be noted that the ink path of the present invention can be structurally treated as an integral tube, which is effective as a measure to improve the incorporation of air bubbles.
なお、実施例ではハンデイタイプのインクジエ
ツトプリンターについて説明したが、本発明はそ
の他のインクジエツトプリンター全般に応用でき
るものであり、特許請求の範囲を限定するもので
はない。 In the embodiments, a hand-held inkjet printer has been described, but the present invention can be applied to other inkjet printers in general, and the scope of the claims is not limited.
第１図は装置の外観図であり、１……筐体、２
……キーボード、３……集積回路、４……インク
ジエツトヘツド、５……PZT、６……矢印、７
……インク供給路、８……インク溜、９……印字
解除レバー、１０……電源スイツチ、１１……電
池、
第２図は装置の拡大断面図であり、１２……印
字紙、１３……インク圧力室、１４……ノズル、
１５……インク粒子、１６……バネつり部、１７
……バネ、１８……バネつり部、１９……支点、
２０……インク供給口、２１，２２……矢印、２
３……支点、２４……バネ、２５，２６……矢
印、２７，２８……矢印、１−ａ，１−ｂ……筐
体の凸部、９−a′……印字解除レバー凸部、１０
−ａ，１０−ｂ……凸部、１０−ｃ……バルブ
片、１０−ｄ……バルブ片端部、１０−ｅ……保
持端部、１０−ｆ……凸部。
Figure 1 is an external view of the device, 1... housing, 2
...Keyboard, 3...Integrated circuit, 4...Inkjet head, 5...PZT, 6...Arrow, 7
... Ink supply path, 8 ... Ink reservoir, 9 ... Print release lever, 10 ... Power switch, 11 ... Battery, Fig. 2 is an enlarged sectional view of the device, 12 ... Print paper, 13 ... ...Ink pressure chamber, 14...Nozzle,
15... Ink particles, 16... Spring suspension portion, 17
... Spring, 18 ... Spring suspension part, 19 ... Fulcrum,
20... Ink supply port, 21, 22... Arrow, 2
3...Fully point, 24...Spring, 25, 26...Arrow, 27, 28...Arrow, 1-a, 1-b...Protrusion of housing, 9-a'...Protrusion of print release lever , 10
-a, 10-b...Protrusion, 10-c...Valve piece, 10-d...Valve end, 10-e...Holding end, 10-f...Protrusion.
Claims (1)
射するインクオンデイマンド型のインクジエツト
ヘツドと、該インクジエツトヘツドに供給するイ
ンクを貯えるインク溜と、前記インクジエツトヘ
ツドと前記インク溜をつなぐインク供給路と、前
記インク供給路をはさみ込むように設けられ電源
スイツチと係合し前記電源スイツチのON時には
前記インク供給路の押圧を解除した状態の第１の
位置に、OFF時には前記インク供給路を押圧し
て閉じる第２の位置に変位可能なバルブ部材と前
記バルブ部材を前記インク供給路を押圧する方向
に付勢するバネ部材からなり電源スイツチに連動
して機械的に前記インク供給路の開閉を行なう開
閉手段とを有することを特徴とするインクジエツ
トプリンターのインク供給機構。1. An ink-on-demand type ink jet head that ejects ink particles from a nozzle in response to an electrical signal, an ink reservoir that stores ink to be supplied to the ink jet head, and an ink supply that connects the ink jet head and the ink reservoir. A switch is provided to sandwich the ink supply channel between the ink supply channel and the ink supply channel, and is engaged with a power switch, and when the power switch is ON, the pressure on the ink supply channel is released, and is in a first position, and when the power switch is OFF, the ink supply channel is in a first position. The ink supply channel is mechanically opened and closed in conjunction with a power switch, and includes a valve member that can be moved to a second position when pressed and closed, and a spring member that biases the valve member in a direction to press the ink supply channel. An ink supply mechanism for an inkjet printer, comprising an opening/closing means for performing the following operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3204379A JPS55124669A (en) | 1979-03-19 | 1979-03-19 | Ink feeding mechanism for ink jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3204379A JPS55124669A (en) | 1979-03-19 | 1979-03-19 | Ink feeding mechanism for ink jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55124669A JPS55124669A (en) | 1980-09-25 |
| JPS6315150B2 true JPS6315150B2 (en) | 1988-04-04 |
Family
ID=12347830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3204379A Granted JPS55124669A (en) | 1979-03-19 | 1979-03-19 | Ink feeding mechanism for ink jet printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55124669A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638733U (en) * | 1991-11-28 | 1994-05-24 | 稔 大石 | Removable baby mat cover |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516994U (en) * | 1974-07-01 | 1976-01-19 | ||
| JPS51124327U (en) * | 1975-03-31 | 1976-10-07 |
-
1979
- 1979-03-19 JP JP3204379A patent/JPS55124669A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55124669A (en) | 1980-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0627316B1 (en) | Recording apparatus for performing recording with ink jet recording head | |
| JPH01158132U (en) | ||
| JP2002292897A5 (en) | ||
| JP4013650B2 (en) | Printing device | |
| JPS6315150B2 (en) | ||
| JP2026026112A (en) | liquid discharge device | |
| JP2001293874A (en) | Ink jet printer and head cartridge thereof | |
| JPH02188259A (en) | inkjet recording device | |
| JP2001270095A5 (en) | ||
| JP3775650B2 (en) | Inkjet recording device | |
| JP3039665B2 (en) | Ink jet recording device | |
| US6378998B2 (en) | Ink tank for ink jet printer | |
| JP3603637B2 (en) | Ink jet recording device | |
| JPH0615831A (en) | Ink jet printer | |
| JPS6212608Y2 (en) | ||
| JP2003165233A (en) | Inkjet recording device | |
| JP2799720B2 (en) | Ink jet recording device | |
| JPS60192638A (en) | Ink jet printer | |
| JP2516901B2 (en) | Liquid ejection device recovery method | |
| JPS60192639A (en) | Liquid jet recording unit | |
| JPH03234638A (en) | inkjet recording device | |
| JP2577653Y2 (en) | Ink jet recording device | |
| JPH03253348A (en) | Recovery mechanism of ink jet head | |
| JPS6258314B2 (en) | ||
| JPH082651B2 (en) | Inkjet printer head recovery mechanism |