WO2006032185A1 - Cartouche d’encre - Google Patents

Cartouche d’encre Download PDF

Info

Publication number
WO2006032185A1
WO2006032185A1 PCT/CN2005/001297 CN2005001297W WO2006032185A1 WO 2006032185 A1 WO2006032185 A1 WO 2006032185A1 CN 2005001297 W CN2005001297 W CN 2005001297W WO 2006032185 A1 WO2006032185 A1 WO 2006032185A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
ink cartridge
waste
cartridge body
chamber
Prior art date
Application number
PCT/CN2005/001297
Other languages
English (en)
Chinese (zh)
Inventor
Qingguo Xiao
Benyou Jin
Original Assignee
Print-Rite Technology Development Co., Ltd Of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Print-Rite Technology Development Co., Ltd Of Zhuhai filed Critical Print-Rite Technology Development Co., Ltd Of Zhuhai
Publication of WO2006032185A1 publication Critical patent/WO2006032185A1/fr

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
    • B41J2/18—Ink recirculation systems
    • B41J2/185—Ink-collectors; Ink-catchers
    • 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
    • B41J2/17503—Ink cartridges
    • B41J2/1752—Mounting within the printer

Definitions

  • the present invention relates to an ink jet printer ink supply device, and more particularly to a replacement constant pressure ink cartridge for a small portable printer. Background technique
  • FIG. 1 In order to meet the needs of printing during mobile office, there is a commercially available small portable printer having a structure substantially as shown in FIG. 1.
  • the rear portion of the printer 4 has a shelf 41 extending obliquely outward during operation, and a belt below it.
  • a six-color ink cartridge shown in Fig. 2 is inserted in the cartridge compartment 43 in an insertable manner.
  • the six-color ink cartridge 5 shown in Fig. 2 is enlarged.
  • the front end of the six-color ink cartridge 5 has a waste ink inlet 501, six ink outlets 502 of different color inks, and a six-color ink cartridge 5 that can be inserted at the front end toward the printer 4 cartridge compartment 43.
  • FIG. 3 which is a cross-sectional view of the six-color ink cartridge 5
  • a waste ink chamber 503 communicating with the waste ink inlet 501 is disposed above the inner cavity of the six-color ink cartridge 5 for collecting ink discarded when cleaning the print head.
  • the other space 504 of the inner cavity there are six flexible ink bags 505 containing different colors of ink, and the outlet of the ink bag 505 is coaxial with the ink outlet 502 and has a self-closing valve 506 built therein.
  • the waste ink output needle tube and the ink-receiving ink pins on the printer are respectively sealedly inserted into the waste ink inlet 501 and the ink outlet ports 502, and the self-closing valves in the respective ports are opened.
  • the ink supply passage and the waste ink passage when the six-color ink cartridge is taken out from the ink cartridge compartment 43, the self-closing valve is closed to prevent the ink from leaking out.
  • the highest level of the ink liquid in the ink bag 505 is substantially the same as the height of the printer print head, and the highest position of the ink liquid gradually becomes gradually as the printing process is performed and the ink is consumed. It drops, but it is still within the range of the suction power of the print head, so it is still within the normal ink supply pressure range. Therefore, in order to enlarge the ink capacity of the ink cartridge, in order to avoid the phenomenon of excessive ink overflow at the print head, or the phenomenon that the print head does not absorb ink, the height of the ink cartridge cannot be changed, a feasible solution
  • the main object of the present invention is to provide a large-capacity replacement type constant pressure ink cartridge without exceeding the maximum contour size of the printer during operation;
  • Another object of the present invention is to provide a replacement type constant pressure ink cartridge which can easily replace the ink container when a certain color ink is exhausted without causing the entire ink cartridge to be scrapped;
  • the rear end of the cassette is open, and the inner side is provided with a guide plate for introducing the ink cartridge body and the waste ink cartridge body, and two or more ink cartridges for supplying ink to the printer in a constant pressure manner are detachably fixed in the cassette, each of which is detachably fixed in the cassette At least a part of the volume of the ink cartridge body is located at the upper rear of the cassette, and a waste ink cartridge body for storing waste ink is also detachably fixed in the cassette, and a part of the volume is located at the rear of the cassette, thereby having a larger At the same time as the amount of ink, the space under the shelf is utilized, and the maximum contour size of the printer is not exceeded.
  • the cassette and the prior art six-color ink cartridge case have the same function as the printer, but the structure is changed to the rear end opening and the inner side is provided with a guide plate, so that the large-capacity ink cartridge body and the waste toner cartridge body are inserted and passed to the printer. Ink supply is possible, and at the same time, each cartridge body is replaced at will, which improves the economics of the ink cartridge.
  • the ink cartridge body of the following structure can be used to realize constant pressure ink supply.
  • the ink chamber of the ink cartridge body is divided into an ink supply chamber and an ink storage chamber, and the ink supply chamber has an ink outlet port coaxial with the opening of the cassette opening.
  • the two chambers are communicated through a channel at the bottom, the volume of the ink storage chamber is larger than the volume of the ink supply chamber, and the top of the ink storage chamber is higher than the top of the ink supply chamber, and the ink cartridge body is provided with the ink chamber and the outside.
  • the air passage, the end of the air passage connecting with the outside is disposed at an upper portion of the ink storage chamber, and the end connected to the ink chamber is disposed at an upper portion of the ink supply chamber.
  • the waste ink cartridge body is designed with an ink receiving cavity of the content of the ink absorbing porous material.
  • the front end of the ink receiving cavity is provided with an ink inlet port coaxial with the ink waste ink inlet, and the upper portion of the ink receiving cavity is connected to the outside. Vent hole.
  • the increasing amount of waste ink is sucked into the ink receiving chamber by the action of the porous material, and at the same time, the air in the ink receiving chamber is discharged from the vent hole to reduce the pressure in the ink receiving chamber.
  • 1 is a schematic structural view of an existing small portable printer
  • FIG. 2 is an enlarged view showing the outline of the six-color ink cartridge used in the printer
  • Figure 3 is a cross-sectional view of Figure 2 at a certain ink bag
  • Figure 4 is a perspective view of a preferred embodiment of the present invention.
  • Figure 5 is a plan view of a preferred embodiment of the present invention.
  • Figure 6 is a cross-sectional view taken along line A-A of Figure 5, showing one side of the ink cartridge body and the relationship between the ink cartridge body and the ink cartridge;
  • Figure 7 is a cross-sectional view taken along line B-B of Figure 5, showing one side of the waste toner cartridge body and the relationship between the waste ink cartridge body and the ink cartridge;
  • Figure 8 is a structural view showing the other side of the waste toner cartridge body corresponding to Figure 7;
  • Figure 9 is a structural view showing the other side of the ink cartridge body corresponding to Figure 6;
  • Figure 10 is an exploded perspective view of the preferred embodiment of the present invention and the printer
  • Figure 11 is a perspective view of the preferred embodiment of the present invention when loaded into a printer. detailed description
  • the example is composed of a cassette ⁇ 1, a waste toner cartridge body 2 and six ink cartridge bodies 3.
  • the front end of the magazine ⁇ 1 has a waste ink inlet 11 and six openings 12, and the guide plate 14 is disposed on the bottom plate.
  • a set of longitudinal ribs on the inner side, a set of elastic retaining portions 13 are also provided on the inner side of the bottom plate, which are located at corresponding positions of the waste toner cartridge body 2 and the rear portion of each of the ink cartridge bodies 3.
  • the rear end (left side of the drawing) of the ink cartridge 1 is open, and the ink cartridge body 3 and the waste toner cartridge body 2 can be inserted obliquely from the upper rear side to the ink cartridge 1, and positioned by the elastic stopper portion.
  • the ink outlet port 34 of the front end is aligned with and abuts against the opening 12, and the buckle portion 36 at the rear end is held by the elastic stopper portion 13 to prevent the cartridge body 3 from being shackled back and forth. move.
  • the ink outlet port 34 has a self-closing sealing ring 35 which is turned on when the ink receiving needle is inserted and closed when the ink receiving needle is inserted.
  • the bottom of the cassette 1 also has a plurality of buckles 15 for fastening to the lid of the printer case.
  • the ink chamber is composed of an ink supply chamber 32 and an ink storage chamber 31.
  • the ink supply chamber 32 has a small volume and a small height.
  • the ink storage chamber 31 has a large volume and a large height, and the two chambers are connected through a passage 33 provided at the bottom. .
  • FIG. 9 The principle of constant pressure of the ink cartridge body 3 is shown in Fig. 9.
  • An air passage 37 is provided on one side wall of the ink cartridge body 3, from the outside.
  • An airway inlet 38 for the intake of the ink cartridge body 3 is disposed at a high position of the ink storage chamber 31, and an air passage outlet 39 for introducing air into the cavity of the ink cartridge body 3 is disposed in the ink supply chamber 32.
  • the structure of the air passage 37 is The film is formed on a groove on the inner side wall of the ink cartridge body 3 and a film on the groove. As shown in Fig.
  • the ink supply chamber 32 has a liquid level which is open to the atmosphere, that is, the ink supply pressure is supplied to the print head, and the ink storage chamber 31 is blocked by the ink passage 33 which is open to the atmosphere. Therefore, the space in the upper portion thereof is a negative pressure region.
  • the ink flows out from the ink outlet port 34, and the liquid level in the ink supply chamber 32 drops below the highest point of the channel 33, the gas will enter the aforementioned negative pressure region, thereby
  • the ink in the ink storage chamber 31 is replenished into the ink supply chamber 32, and the liquid level in the ink supply chamber 32 rises to an initial height, so that the print head is performed under the condition that the head pressure of the ink supply chamber 32 is slightly changed.
  • Constant pressure ink supply until the liquid level of the two chambers is the same.
  • the ink outlet 34 is routed through a thin tubular passage to the bottom of the ink supply chamber 32, so that the ink in the chamber can be used up as much as possible to reduce residual ink.
  • the ink inlet port 22 of the front end is aligned with and abuts against the waste ink inlet 11, and the buckle 24 at the rear end is held by the elastic stopper portion 13 to prevent the waste toner cartridge body. 2 before and after shaking.
  • the ink inlet port 22 has a self-closing sealing ring 23 which is turned on when the waste ink output needle tube is inserted, and constitutes a waste ink collecting passage, which is closed when the dispensing is made, so that the waste ink does not flow out.
  • the porous fiber material built into the ink receiving chamber 21 is made of sponge (omitted in Fig. 7).
  • an upper portion of the ink receiving chamber 21 is provided with a venting opening 25 communicating with the outside, and the air in the ink receiving chamber 21 is discharged when the sponge absorbs the waste ink.
  • the elastic stop portion 13 is a cantilever rod extending rearward and upward, the rod end is a hand, and the middle portion of the rod has a hook portion, which is hooked on the buckle 36 at the rear end of the ink cartridge body 3, after the waste cartridge body 2 is scrapped.
  • the buckle 24 of the end is also limited by the elastic stop portion 13 of the same structure.
  • the maximum liquid crystal size of the printer 4 is not increased while the liquid volume is increased, and the replacement constant pressure ink cartridge can be unplugged when the printer 4 is carried, and the printer 4 can be removed when moving at a close distance. mobile.
  • the cartridge body 3 can be taken out by pressing the elastic stopper portion 13 at the color cartridge body 3, and replaced with a new cartridge body 3.
  • the waste toner cartridge body 2 can be made of a transparent material, and it can be visually observed that the porous waste material can be replaced at any time when the porous material is filled with the waste ink.
  • the concept according to the present invention can also perform simple structural changes. For example, for printers of different colors such as four colors, five colors, seven colors, etc., the same number of ink cartridge bodies as the above-mentioned colors can be used, and the adaptation is adopted. Box industrial application
  • the invention fully utilizes the space occupied by the maximum contour size of the printer, and provides a displacement type ink cartridge, and at the same time, provides a simple constant pressure ink supply structure, which not only improves the ink supply amount of such a pocket portable printer, but also facilitates replacement. Whether the ink cartridge of the one-piece cartridge is exhausted or the waste cartridge is full, it can be quickly replaced at any time.

Abstract

L’invention concerne un appareil d’alimentation en encre comportant un réservoir d’encre, l’extrémité avant du réservoir d’encre étant dotée d’une entrée d’encre récupérée et d’au moins deux ouvertures, et son extrémité arrière étant ouverte. Au moins deux cartouches d’encre, assurant une alimentation en encre à pression constante, sont fixées de façon amovible dans le réservoir d’encre ; une cartouche d’encre récupérée destinée à recevoir l’encre récupérée est également fixée de façon amovible dans le réservoir d’encre. Une partie au moins de chaque cartouche d’encre et une partie de la cartouche d’encre récupérée sont respectivement situées dans la partie supérieure arrière du réservoir d’encre.
PCT/CN2005/001297 2004-09-25 2005-08-19 Cartouche d’encre WO2006032185A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200420093681 2004-09-25
CN200420093681.2 2004-09-25

Publications (1)

Publication Number Publication Date
WO2006032185A1 true WO2006032185A1 (fr) 2006-03-30

Family

ID=36089837

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2005/001297 WO2006032185A1 (fr) 2004-09-25 2005-08-19 Cartouche d’encre

Country Status (1)

Country Link
WO (1) WO2006032185A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622208A2 (fr) * 1993-04-30 1994-11-02 Hewlett-Packard Company Imprimante par jet d'encre avec chariot et cartouches d'encre
CN1294053A (zh) * 1999-10-06 2001-05-09 莱克斯马克国际公司 用于喷墨笔的可更换的油墨盒
EP1219438A2 (fr) * 2000-12-28 2002-07-03 Xerox Corporation Emulateur attachable à un réservoir d'encre pour appareil d'impression

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622208A2 (fr) * 1993-04-30 1994-11-02 Hewlett-Packard Company Imprimante par jet d'encre avec chariot et cartouches d'encre
CN1294053A (zh) * 1999-10-06 2001-05-09 莱克斯马克国际公司 用于喷墨笔的可更换的油墨盒
EP1219438A2 (fr) * 2000-12-28 2002-07-03 Xerox Corporation Emulateur attachable à un réservoir d'encre pour appareil d'impression

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