CN2759782Y - Ink cartridge for ink-jet printer - Google Patents
Ink cartridge for ink-jet printer Download PDFInfo
- Publication number
- CN2759782Y CN2759782Y CN 200520053668 CN200520053668U CN2759782Y CN 2759782 Y CN2759782 Y CN 2759782Y CN 200520053668 CN200520053668 CN 200520053668 CN 200520053668 U CN200520053668 U CN 200520053668U CN 2759782 Y CN2759782 Y CN 2759782Y
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- ink
- chamber
- balanced
- passage
- box body
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Abstract
The utility model relates to an ink box for an ink jet printer, which comprises a box body 1, a box cover 2, an ink storing cavity 3, an equalizing cavity 4, a one-way valve 7, an ink outlet 8 and a groove which connects with the equalizing cavity 4 and the one-way valve 7 and is positioned on the outer wall of the box body 1. The utility model is characterized in that a channel 12 is arranged in the equalizing cavity 4; one end 13 of the channel 12 is communicated with the ink storing cavity 3 through a via hole 6 and the relative end 14 is positioned near the box cover 2 and is communicated with the equalizing cavity 4. An ink column formed through the channel 12 sustains the pressure in the equalizing cavity 4 at a lower level always so as to decrease the pressure born by the one-way valve 7, avoid ink leakage, prolong the service and enhance the printing quality.
Description
Technical field
The utility model relates to the printing consumables field, especially for the print cartridge of ink-jet printer.
Background technology
Ink jet printing device is equipped with an Ink box device usually and printhead is connected.Printer is when carrying out print job, and a prerequisite primary condition is Ink box device ink supply equably continuously.In the common Ink box device, generally utilize a kind of porous body for example the capillary attraction of sponge store black liquid and control out China ink.For example application for a patent for invention specification CN1334198A discloses a kind of " print cartridge that has overflow dam ", and it comprises the shell in a sealing core chamber, and this shell comprises a roof and an inking chamber.A fluid passage connects inking chamber and core chamber.The outer surface of shell roof is provided with a groove.A passage that penetrates core chamber roof at groove provides fluid to be communicated with between core chamber and groove.A covering is sealing this groove above the shell top surface.Core cavity outer wall but not the tap of roof are provided for the fluid that ink flows out from the core chamber and are communicated with.Groove fluid in one end of discharger and the shell roof is communicated with.And the other end of discharger for example opens wide near the surrounding environment at tap place towards the outside another location of shell.One is positioned at groove, and dam between passage and discharger one end stops but is not to stop the ink that overflows from passage to flow into discharger fully.Usually, such print cartridge is difficult to avoid black liquid residual, and its production cost is also higher, and the negative pressure state in the print cartridge is difficult for stable.
In addition, by improving the structure of print cartridge, also can obtain to rely on the geometry mode to realize the Ink box device that stores black liquid and control out the China ink.For example, utility model patent 02227387.5 discloses a kind of " ink-cases of printers ", can realize that the whole inner chamber of print cartridge is in negative pressure state, and guarantees that the print cartridge ink outlet port that moves apart printer is in sealing state to prevent the ink outflow.It comprises ink storage chamber, pressure adjustmenting mechanism, sealing ring and spring.Pressure adjustmenting mechanism is placed in the ink storage chamber, it comprises forward and backward valve body, valve film, cover and spring, between the driving fit forward and backward valve body together a valve film is arranged, one spring is arranged between valve film and the front valve shell, have an air groove on the rear valve body, the middle part of groove bottom is provided with the shrinkage pool of a projection, has the small sircle hole of a band chimb on the valve film, and this circular hole is withstood in the shrinkage pool of rear valve body by spring.Pressure adjustmenting mechanism is installed on the cover of ink storage chamber, and a passage is arranged on the cover, and the air groove of rear valve body has a pore to communicate with passage on the cover, and passage communicates with atmosphere.This technical scheme is utilized the sealing function of the pressure adjustmenting mechanism of valve film and spring formation to passage and ink outlet port, regulate and print the inking chamber negative pressure that produces behind the syringe needle blotting, realized that ink storage chamber is in negative pressure state under the duty, utilized the active force fitted seal ball of spring to realize breaking away from the sealing of print cartridge ink outlet port behind the printer.Be the sealing state of print cartridge ink outlet port after the negative pressure state that realizes ink storage chamber under the duty and the off line, this technical scheme need be set up a pressure regulating mechanism, and it is complicated to cause technical scheme to constitute, and its production technology is also complicated thereupon.
In addition, also can see the print cartridge of another structure of not using cavernous body.As Fig. 1,2,3,4, its structure comprises box body 1 and lid 2.Lid 2 is used for capping box body 1.Box body 1 inside is provided with by black chamber 3 of dividing plate 5 separated storages and balanced chamber 4.Store the through hole of offering by the end of box body 1 base plate vicinity at close ink outlet port 8 places on dividing plate 5 in black chamber 3 and balanced chamber 46 and realize fluid connections.On box body 1 base plate at storage 3 places, black chamber, check valve 7 and ink outlet port 8 are set.Be in the liquid sealing state between check valve 7 and ink outlet port 8 and the black chamber 3 of storage.Box body 1 outside wall is provided with the groove 15 that connects check valve 7 and balanced chamber 4.Between the port of export of check valve 7 and ink outlet port 8, be provided with fluid passage.Lid 2 is provided with ink filling port 9 and air flue 10, and they all are positioned at and store on the 3 pairing lids 2 of black chamber, is respectively applied for black chamber 3 of ink injection storage and the balanced gas pressure of storing black chamber 3 and external environment condition.During filling ink, the groove 15 with connecting check valve 7 and balanced chamber 4 on plastic foil or the impermeable diaphragm seal box body 1 outside wall of ink forms the ink flow path between check valve 7 and the balanced chamber 4.For this configuration state, when good ink of filling, it is contour to store in black chamber 3 and the balanced chamber 4 the ink level levels.Only there is ink to flow into and flows out between balanced chamber 4 and the outside and concern, balanced chamber 4 is inner owing to flow into and flow pass is that ink seals the balance that keep-ups pressure, therefore along with the carrying out of print procedure, printer will at first consume the ink in the black chamber 3 of storage, and the ink reserves in the balanced chamber 4 remain unchanged substantially.Only behind the ink in exhausting the black chamber 3 of storage, just can use the ink in the balanced chamber 4.So, because the ink in the print procedure in the balanced chamber 4 maintains higher liquid level all the time, the pressure that this liquid level forms transmits by the ink flow path groove between check valve 7 and the balanced chamber 4 15 and puts on check valve 7, cause check valve 7 bearing higher pressure for a long time, very easily impaired, cause and print ink leak and colour mixture, directly cause printing failure.
Summary of the invention
The utility model purpose is to provide a kind of cartridge of ink-jet printer, and this print cartridge can reduce the pressure that check valve bears effectively, improves the service life of check valve, avoids printing ink leak and colour mixture.
Cartridge of ink-jet printer of the present utility model, comprise box body 1, be used for lid 2, storage black chamber 3, the balanced chamber 4 of capping box body 1, the groove 15 on box body 1 outer wall of being positioned at that is used to separate dividing plate 5, through hole 6, check valve 7, the ink outlet port 8 in black chamber 3 of storage and balanced chamber 4 and is connected balanced chamber 4 and check valve 7, this groove 15 usefulness plastic foils or the impermeable diaphragm seal of ink, characteristics are to be provided with passage 12 in balanced chamber 4, passage 12 1 ends 13 are communicated with the black chamber 3 of storage by through hole 6, and its opposite end 14 is positioned near the lid 2 and with balanced chamber 4 and is communicated with.
The liquid flow cross section normal direction of the end 14 of passage 12 is set at basic sensing lid 2, and promptly liquid upwards overflows by the end 14 of passage 12, can avoid liquid to flow out the siphon pressure that causes downwards.
Offer the pore 11 of movable sealing corresponding to the part in balanced chamber 4 at lid 2.Open pores 11 when refilling, with the excessive passage of the gas that balanced chamber 4 is provided.During filling with ink or print job, sealing pore 11 is to guarantee that balanced chamber 4 except that having the liquid transmission relation with the groove 15 that is connected balanced chamber 4 and check valve 7 with passage 12, is in sealing state.
In the technique scheme, passage 12 is stretched to lid 2 edges from base plate along the direction perpendicular to box body 1 base plate, perhaps passage 12 is along having the direction of an angle to stretch to lid 2 edges from base plate with box body 1 base plate normal direction, and its length is slightly less than base plate is positioned at the wall of 4 inside, balanced chamber to lid 2 distance.Perhaps, according to the common appearance China ink amount of print cartridge, its length be set to and the ink level store in the black chamber 3 contour.Like this, can guarantee that the black chamber of ink pressure and the storage 3 interior ink pressures in the passage 12 equate.Except that the space that passage 12 occupies, 4 inside, balanced chamber are divided into two parts, and a part occupies for ink, and a part occupies for an amount of air.During print job, the air that occupies 4 inside, balanced chamber is in sealing state.When printer work extraction ink, the air of 4 inside, balanced chamber is in the certain negative pressure state, by this state, draws the balanced chamber 4 of ink feed in the black chamber 3 of storage, with the suitable Rong Moliang in 4 inside, chamber that keeps in balance.Meanwhile, no matter be under the print state or under the idle condition, ink level in the passage 12 all can be adaptive to ink pressure or the liquid level in the black chamber 3 of storage, thereby the pressure in the chamber 4 of keeping in balance remains at low levels all the time, makes check valve 7 bear lower and pressure stable.
Therefore the utility model cartridge of ink-jet printer has reduced the pressure that check valve bore effectively, has improved the service life of check valve, thereby has avoided printing ink leak and colour mixture.
The drawing explanation
Fig. 1 prior art cartridge of ink-jet printer box body structure schematic diagram.
Fig. 2 prior art cartridge of ink-jet printer lid structural representation.
Fig. 3 prior art cartridge of ink-jet printer A-A cutaway view.
Fig. 4 prior art cartridge of ink-jet printer B-B cutaway view.
Fig. 5 the utility model cartridge of ink-jet printer box body structure schematic diagram.
Fig. 6 the utility model cartridge of ink-jet printer lid structural representation.
Fig. 7 the utility model cartridge of ink-jet printer A-A cutaway view.
Fig. 8 the utility model cartridge of ink-jet printer B-B cutaway view.
The specific embodiment
Referring to Fig. 5,6,7,8, one of cartridge of ink-jet printer embodiment of the present utility model comprises box body 1 and lid 2.Lid 2 is used for capping box body 1.Box body 1 inside is provided with by black chamber 3 of dividing plate 5 separated storages and balanced chamber 4.On box body 1 base plate at storage 3 places, black chamber, check valve 7 and ink outlet port 8 are set.Be in the liquid sealing state between check valve 7 and ink outlet port 8 and the black chamber 3 of storage.Box body 1 outside wall is provided with the groove 15 that connects check valve 7 and balanced chamber 4.Between the port of export of check valve 7 and ink outlet port 8, be provided with fluid passage.Lid 2 is provided with ink filling port 9 and air flue 10, and they all are positioned at and store on the 3 pairing lids 2 of black chamber, is respectively applied for black chamber 3 of ink injection storage and the balanced gas pressure of storing black chamber 3 and external environment condition.During filling ink, the groove 15 with connecting check valve 7 and balanced chamber 4 on plastic foil or the impermeable diaphragm seal box body 1 outside wall of ink forms the ink flow path between check valve 7 and the balanced chamber 4.
In addition, in balanced chamber 4 passage 12 is set, passage 12 1 ends 13 are communicated with the black chamber 3 of storage by through hole 6, and its opposite end 14 is positioned near the lid 2 and with balanced chamber 4 and is communicated with.Passage 12 provides ink from storing the connecting pipe that black chamber 3 enters balanced chamber 4.Passage 12 is stretched to lid 2 edges from base plate along the direction perpendicular to box body 1 base plate, and its length is slightly less than base plate is positioned at the wall of 4 inside, balanced chamber to lid 2 distance.Perhaps, according to the common appearance China ink amount of print cartridge, its length be set to and the ink level store in the black chamber 3 contour.Like this, can guarantee that the black chamber of ink pressure and the storage 3 interior ink pressures in the passage 12 equate.Except that the space that passage 12 occupies, 4 inside, balanced chamber are divided into two parts, and a part occupies for ink, and a part occupies for an amount of air.During print job, the air that occupies 4 inside, balanced chamber is in sealing state.When printer work extraction ink, the air of 4 inside, balanced chamber is in the certain negative pressure state, by this state, draws the balanced chamber 4 of ink feed in the black chamber 3 of storage, with the suitable Rong Moliang in 4 inside, chamber that keeps in balance.Meanwhile, no matter be under the print state or under the idle condition, the ink level in the passage 12 all can be adaptive to ink pressure or the liquid level in the black chamber 3 of storage, and promptly the pressure of keeping in the balanced chamber 4 by the ink column of passage 12 formation remain at low levels all the time.
The liquid flow cross section normal direction of the end 14 of passage 12 is set at basic sensing lid 2, be that liquid upwards overflows by the end 14 of passage 12, flow into 4 bottoms, balanced chamber then, flow into check valve 7 by the groove 15 that connects check valve 7 and balanced chamber 4 again, after the printhead suction, be incident upon on the print media from inkjet mouth 8.This ink mode that flows out can avoid liquid to flow out the siphon pressure that causes downwards.
On lid 2, offer the pore 11 of movable sealing corresponding to the part in balanced chamber 4.Open pores 11 when refilling, with the excessive passage of the gas that balanced chamber 4 is provided.During filling with ink or print job, sealing pore 11 is to guarantee that balanced chamber 4 except that having the liquid transmission relation with the groove 15 that is connected balanced chamber 4 and check valve 7 with passage 12, is in sealing state.
According to the technical solution of the utility model; the user can also make many adulterium schemes; as increase the number of channels that is communicated with black chamber of storage and balanced chamber; or change its arrangement; for example passage 12 is along having the direction of an angle to stretch to lid 2 edges from base plate with box body 1 base plate normal direction; its length is slightly less than base plate is positioned at the wall of 4 inside, balanced chamber to lid 2 distance; perhaps direct enclosure covers the closed hole corresponding to balanced chamber; promptly do not offer the sealing hole; and adopt the mode of suitable vacuum refilling; all can realize task to be solved in the utility model, and not break away from protection domain of the present utility model.
Claims (3)
1. cartridge of ink-jet printer, comprise box body (1), the lid (2) that is used for capping box body (1), store black chamber (3), balanced chamber (4), be used for separating the dividing plate (5) of storage black chamber (3) and balanced chamber (4), through hole (6), check valve (7), ink outlet port (8) and connect balanced chamber (4) and check valve (7) be positioned at groove on box body (1) outer wall, described groove is with plastic foil or the impermeable diaphragm seal of ink, it is characterized in that in described balanced chamber (4), being provided with passage (12), described passage (12) one ends (13) are communicated with the black chamber of described storage (3) by described through hole (6), and its opposite end (14) are positioned near the described lid (2) and with described balanced chamber (4) and are communicated with.
2. according to the cartridge of ink-jet printer of claim 1, it is characterized in that the liquid flow cross section normal direction of the end (14) of described passage (12) is pointed to described lid (2) substantially.
3. according to the cartridge of ink-jet printer of claim 1 or 2, it is characterized in that described lid (2) offers the pore (11) of movable sealing corresponding to the part in described balanced chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520053668 CN2759782Y (en) | 2005-01-18 | 2005-01-18 | Ink cartridge for ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520053668 CN2759782Y (en) | 2005-01-18 | 2005-01-18 | Ink cartridge for ink-jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2759782Y true CN2759782Y (en) | 2006-02-22 |
Family
ID=36081983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520053668 Expired - Fee Related CN2759782Y (en) | 2005-01-18 | 2005-01-18 | Ink cartridge for ink-jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2759782Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007012255A1 (en) * | 2005-07-25 | 2007-02-01 | Print-Rite.Unicorn Image Products Co., Ltd. Of Zh Uhai | An ink cartridge for inkjet printer |
| WO2007118415A1 (en) * | 2006-04-15 | 2007-10-25 | Print-Rite Technology Development Co., Ltd Of Zhuhai | An ink cartridge |
| WO2011022911A1 (en) * | 2009-08-24 | 2011-03-03 | 珠海中润靖杰打印机耗材有限公司 | Ink cartridge for inkjet printer |
| CN107215101A (en) * | 2016-03-22 | 2017-09-29 | 海德堡印刷机械股份公司 | Equipment for supplying ink in a looping fashion at least one print head |
-
2005
- 2005-01-18 CN CN 200520053668 patent/CN2759782Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007012255A1 (en) * | 2005-07-25 | 2007-02-01 | Print-Rite.Unicorn Image Products Co., Ltd. Of Zh Uhai | An ink cartridge for inkjet printer |
| US8128209B2 (en) | 2005-07-25 | 2012-03-06 | Print-Rite•Unicorn Image Products Co., Ltd. of Zhuhai | Ink cartridge for inkjet printer |
| WO2007118415A1 (en) * | 2006-04-15 | 2007-10-25 | Print-Rite Technology Development Co., Ltd Of Zhuhai | An ink cartridge |
| WO2011022911A1 (en) * | 2009-08-24 | 2011-03-03 | 珠海中润靖杰打印机耗材有限公司 | Ink cartridge for inkjet printer |
| GB2485321A (en) * | 2009-08-24 | 2012-05-09 | Zhu Hai Nat Resources & Jingjie Imaging Products Co Ltd | Ink cartridge for inkjet printer |
| GB2485321B (en) * | 2009-08-24 | 2014-04-02 | Zhu Hai Nat Resources & Jingjie Imaging Products Co Ltd | Cartridge for inkjet printer |
| CN107215101A (en) * | 2016-03-22 | 2017-09-29 | 海德堡印刷机械股份公司 | Equipment for supplying ink in a looping fashion at least one print head |
| CN107215101B (en) * | 2016-03-22 | 2020-01-07 | 海德堡印刷机械股份公司 | Device for cyclically supplying at least one printing head with ink |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |