CN202641002U - Ink box - Google Patents
Ink box Download PDFInfo
- Publication number
- CN202641002U CN202641002U CN 201220292679 CN201220292679U CN202641002U CN 202641002 U CN202641002 U CN 202641002U CN 201220292679 CN201220292679 CN 201220292679 CN 201220292679 U CN201220292679 U CN 201220292679U CN 202641002 U CN202641002 U CN 202641002U
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- China
- Prior art keywords
- ink
- cavity
- print cartridge
- ink storage
- storage chamber
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- Expired - Lifetime
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Abstract
The utility model relates to an ink box installed on an ink jet printed in a dismountable manner. The printer includes a pump capable of connecting with the ink box and inflating the ink box. The ink box includes a shell, an ink accommodating cavity arranged in the shell, an ink outlet arranged in the side wall of the shell and an inflation inlet close to the ink outlet and connected with the pump. A separating board is also arranged in the ink accommodating cavity. The ink accommodating cavity is divided into a first ink storage cavity and a second ink storage cavity. The first ink storage cavity is connected with the ink outlet and the inflation inlet. The first ink storage cavity and the second ink storage cavity are connected together through a one-way valve. The first ink storage cavity includes a transformable cavity. The transformable cavity is inflated through the pump of the printed. The first ink storage cavity is under positive pressure. The one-way valve is closed. The ink flows into a printing head through an ink supplying port because of the blocking effect of the separating board. When the pump does not work, the transformable cavity returns to an initial state. The printing head is under negative pressure of the first ink storage cavity, part of the ink and bubbles flows back to the ink box, thereby eliminating the bubbles in the printing head and solving a problem in the prior art that the ink is not easy to flow out.
Description
Technical field
The utility model relates to a kind of PRN device, particularly a kind of print cartridge.
Background technology
Ink jet recording device generally includes print cartridge, box mounting portion, record head and other control assemblies, such as pump.Wherein, print cartridge is used for holding ink, and print cartridge can comprise that several are respectively applied to hold the print cartridge of different colours ink usually, and the box mounting portion can comprise that several are respectively applied to hold the accommodating chamber of different colours print cartridge.When printing, print cartridge need to be packed in the box mounting portion, and the ink supply port on the ink outlet port on the print cartridge and the box mounting portion aimed at be communicated with, so that the ink in the print cartridge can be delivered to the record head of connection from ink supply port via corresponding ink flow path; And the nozzle ejection that under the driving of print signal ink is arranged from record head is finished the record of character or figure to the recording mediums such as paper.
European patent EP 2010392 discloses a kind of ink-jet printer and has been installed in print cartridge on this printer, and wherein this print cartridge comprises the deformable cavity that is arranged in ink storage chamber, and deformable cavity is made of fexible film; The inflation inlet that is connected with the printing pump; When printing beginning, pump pressurizes to deformable cavity by inflation inlet under controller action, and deformable cavity expands and causes the ink storage chamber ink inside to be extruded from ink supply port, thereby ink flows in the printhead with the Bas Discharged of assembling in the printhead bubble in the memory dump head.
Yet, owing to deformable cavity is contained in the middle of the ink storage chamber, when deformable cavity is pressurizeed, the ink storage chamber ink inside is to diffusion all around, only have a small amount of ink to discharge via ink supply port, therefore need pump repeatedly to the deformable cavity pressurization, cause easily the film breaks of deformable cavity this moment.
The utility model content
The utility model provides a kind of print cartridge, and in order to solving in the prior art when pump pressurizes to print cartridge, ink can't flow out and the problem of film breaks smoothly.
In order to solve above technical problem, the utility model is taked following technical scheme:
A kind of print cartridge, dismountable being installed on the ink-jet printer, described printer comprises and can be connected with print cartridge and to the pump of print cartridge inflating pressure, described print cartridge comprises housing, be arranged at ink container cavity in the housing, be arranged at ink outlet port and the inflation inlet that is connected ink outlet port and can be connected with described pump on the housing sidewall, it is characterized in that, also be provided with dividing plate in the described ink container cavity, described ink container cavity is become the first ink storage chamber and the second ink storage chamber by described baffle for separating; Described the first ink storage chamber is connected with inflation inlet with described ink outlet port, connects by check valve between described the first ink storage chamber and the second ink storage chamber, and described the first ink storage chamber comprises deformable cavity.
Described deformable cavity is comprised of the inwall of housing and the variable thin film that covers on the inwall.
Described deformable cavity is an ink bag that is made of fexible film.
Described variable thin film outer surface also is provided with the recovery spring.
Described check valve comprises: be arranged on the valve pocket on the described housing, the spring that is positioned at valve pocket, deformable elastomeric element and valve gap, described spring is used for the support elastic parts, described elastomeric element has upper surface and lower surface, but in the middle of the described elastomeric element even have the through hole of conducting ink, described valve gap to cover on the described valve pocket and sealed.
After having adopted technique scheme, owing to also be provided with dividing plate in the ink container cavity, the ink container cavity is become the first ink storage chamber and the second ink storage chamber by baffle for separating; The first ink storage chamber is connected with inflation inlet with ink outlet port, connects by check valve between the first ink storage chamber and the second ink storage chamber, and the first ink storage chamber comprises deformable cavity.By printing pump to deformable cavity air blowing pressurization, the first ink storage chamber is subjected to malleation, closed check valve, because the barrier effect of dividing plate, ink flows into printhead via ink supply port.When air pump inoperative, deformable cavity returns to original state.Printhead is subject to the first ink storage chamber negative pressure, part ink and bubble are back to print cartridge, thus bubble and solved the prior art ink inside and be difficult for the problem that flows out in the memory dump head.
Description of drawings
Fig. 1 is printing principle figure of the present utility model;
Fig. 2 is the print cartridges structure figure in the utility model;
Fig. 3 is the inner sectional drawing of the utility model print cartridge;
Fig. 4 is printer structure chart when the utility model print cartridge is inflated;
Fig. 5 is the structure chart of the utility model print cartridge when printing;
Reference numeral:
1 print cartridge, 2 printheads, 3 pumps, 4 drivers, 5 controllers, 6 inflation inlets, 7 ink outlet ports, 8 check valves, 9 air guide ports, 10 mounting grooves, 11 valve gaps, 12 valve members, 13 springs, 14 valve pockets, 15 ink introducing ports, 16 through holes, 17 ports, 18 dividing plates, 19 first ink storage chambers, 20 second ink storage chambers, 21 air guide channels, 22 deformable cavities, 23 inwalls, 24 storage devices, 25 recover spring
The specific embodiment
Fig. 1 is the printer schematic diagram in the utility model, printer comprises the print cartridge 1 of storing ink and the ink management system of changeable ink box, ink management system also can be fed to China ink in the print head assembly 2, this print head assembly 2 is transported to medium with ink via printhead, printer also comprises a pump 3, one or more drivers 4 and controller 5.Pump 3 is connected with print cartridge 1 by the flexible pipe that can be movable relatively, and connect constantly or in discrete time as required, to change the pressure in the ink management system, thereby pump 3 is by providing a certain amount of fluid such as gas to print cartridge 1 pressurization to ink management system, driver 4 can be one or more driving mechanisms that the Mechanical Moving in the printer is driven, for example motor.Controller 5 can be controlled any suitable member of printer.
Fig. 2 is the print cartridges structure figure in the utility model, and this print cartridge 1 can be for adopting the standby obturator of plastics, and it comprises housing, and this housing is cavity structure, and namely enclosure interior forms corresponding ink container cavity, can hold the ink that consumes for inkjet printing.Be provided with an ink outlet port 7 on the housing sidewall of print cartridge, be used for to be stored in the ink transport of ink storage chamber to record head, close on ink outlet port 7 sides and also be provided with inflation inlet 6, when print cartridge is installed on the printer carriage, inflation inlet 6 is set up fluid with printing pump 3 and is connected, but printer driver 4 driving pumps 3 are worked and print cartridge 1 are inflated, print cartridge 1 also comprises air guide port 9, when printing beginning, the diaphragm seal (not shown) air of removing air guide port 9 places enters by air guide port regulates the air pressure inside balance in the print cartridge ink storage chamber, contain a mounting groove 10 on the print cartridge diapire, this mounting groove 10 can cooperate with corresponding guide rail in the printer carriage, so that print cartridge more firmly is installed in the printer.
Print cartridge comprises that also alternative opens or closes the negative pressure regulating mechanism of flow path of ink, in this programme, this negative pressure regulating mechanism is check valve 8, described check valve 8 comprises: be arranged on the valve pocket 14 on the housing, be positioned at spring 13 and the deformable valve member 12 of valve pocket, spring 13 is used for sutaining valve parts 12, and wherein this valve member has upper surface and lower surface, but and the middle through hole 16 that contains a conducting ink, valve gap 11 covers above the valve pocket and the sealing of sealed film.
In the present embodiment, work as shown in Figure 3 print cartridge and be installed in printer, and ink outlet port 7 one sides namely the fluid pressure in the first ink storage chamber because when consuming ink to printhead and reduce, when the fluid pressure that acts on valve member 12 lower surfaces during greater than the bias force of spring 13, valve member 12 separates with valve gap 11, described check valve 8 is opened, the ink storage chamber ink inside flows in the valve pocket 14 via through hole 16 by introducing port on the housing 16, and be supplied to ink outlet port 7 places by port 17, thereby provide ink to printhead, otherwise check valve 8 is closed.
This check valve has any suitable layout and structure, individual event valve can be connected to that housing is outer, housing opposite side or enclosure interior, in addition, check valve can have determined by fluid pressure or by the relevant pressure that voltage biasing structure such as bar or spring etc. are determined, may comprise ball valve, diaphragm valve, plug valve etc. by suitable exemplary valve.
Fig. 3 is the print cartridge internal structure schematic diagram in the utility model, as shown in Figure 3, described ink container cavity comprises the first ink storage chamber 19 and the second ink storage chamber 20 that is separated by dividing plate 18, check valve 8 is arranged between the first ink storage chamber 19 and the second ink storage chamber 20, also be provided with labyrinth type air guide channel 21 in the second ink storage chamber 20, this air guide channel and air guide port 9 adjacency, so that air enters in the second ink storage chamber via air guide channel 21 by air guide port 9, the second ink storage chamber 20 bottoms are provided with ink introducing port 15 near the dividing plate place, ink in the second ink storage chamber 20 flows in the valve pocket 14 by ink introducing port 15, when check valve 8 is opened, ink is supplied in the first ink storage chamber 19 by port 17, and then pass through ink outlet port 7 to printhead supply ink, be provided with deformable cavity 22 in the first ink storage chamber 19, described deformable cavity 22 is comprised of the inwall 23 that is formed on the first ink storage chamber upper shell and the variable thin film that covers on the inwall, wherein in order to keep the negative pressure in the print cartridge, a recovery spring 25 that can help variable thin film to recover original state is set on the variable thin film of deformable cavity 22 usually, inflation inlet 6 is communicated with deformable cavity 22 by inlet channel, when 3 work of printer control pump, pump can be by inflation inlet 6 to deformable cavity 22 inflations, described print cartridge also comprises storage device 24 in addition, store the information relevant with ink, such as color and capacity etc.
Wherein deformable cavity can have any suitable structure and size, and for example deformable cavity can be made of any suitable inwall and flexible membrane, also can be flexible film formed satchel.
Fig. 4 is for before printing beginning, structural representation when printing 1 inflation of 3 pairs of print cartridges of pump, as shown in Figure 4, printing pump is connected with inflation inlet 6 in the print cartridge 1 by a flexible duct (not shown), when 3 work of printer controller control pump, pump is inflated to deformable cavity 22 by inflation inlet 6, deformable cavity 22 can relatively expand, and check valve 8 keeps closed conditions at this moment, along with the expansion of deformable cavity 22, pressure in the first ink storage chamber 19 increases, and to the extruding of the first ink storage chamber 19 ink inside, because the barrier effect of dividing plate 18 causes ink can't flow to the second ink storage chamber 20, therefore ink is discharged via ink outlet port 7, as shown by arrows.After the ink toward print head, pump quits work, and gas in the deformable cavity 22 is owing to recover spring 25(as shown in Figure 5) squeezing action discharge via inflation inlet 6, kept certain negative pressure in the first ink storage chamber 19, thereby bubble in the printhead is attracted in the print cartridge, with bubble in the memory dump head.
Print cartridge profile when Fig. 5 is printing, during printing, air pump inoperative, deformable cavity 22 is owing to recover the squeezing action contraction of spring 25, because the suction of printer, ink in the first ink storage chamber 19 is used for printing via ink outlet port 7 toward print head, consumption along with quantity of ink, negative pressure in the first ink storage chamber 19 increases gradually, when pressure reaches certain threshold value, check valve 8 is opened, and the ink in the second ink storage chamber 20 is supplied in the first ink storage chamber 19 by ink introducing port 15 and replenishes, and then supplies ink by ink supply port 7 to printhead.
Certainly, above-mentioned the second ink storage chamber 20 can also be divided into a plurality of again, and a plurality of ink storage chambers namely are set, and clearly also belongs to protection domain of the present utility model.
Claims (5)
1. print cartridge, dismountable being installed on the ink-jet printer, described printer comprises and can be connected with print cartridge and to the pump of print cartridge inflating pressure, described print cartridge comprises housing, be arranged at ink container cavity in the housing, be arranged at ink outlet port and the inflation inlet that is connected ink outlet port and can be connected with described pump on the housing sidewall, it is characterized in that, also be provided with dividing plate in the described ink container cavity, described ink container cavity is become the first ink storage chamber and the second ink storage chamber by described baffle for separating; Described the first ink storage chamber is connected with inflation inlet with described ink outlet port, connects by check valve between described the first ink storage chamber and the second ink storage chamber, and described the first ink storage chamber comprises deformable cavity.
2. print cartridge as claimed in claim 1 is characterized in that, described deformable cavity is comprised of the inwall of housing and the variable thin film that covers on the inwall.
3. such as claim 1 described print cartridge, it is characterized in that described deformable cavity is an ink bag that is made of fexible film.
4. print cartridge as claimed in claim 2 is characterized in that, described variable thin film outer surface also is provided with the recovery spring.
5. such as claim 1 or 2 or 3 described print cartridges, it is characterized in that, described check valve comprises: be arranged on the valve pocket on the described housing, the spring that is positioned at valve pocket, deformable elastomeric element and valve gap, described spring is used for the support elastic parts, described elastomeric element has upper surface and lower surface, but in the middle of the described elastomeric element even have the through hole of conducting ink, described valve gap to cover on the described valve pocket and sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292679 CN202641002U (en) | 2012-06-20 | 2012-06-20 | Ink box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292679 CN202641002U (en) | 2012-06-20 | 2012-06-20 | Ink box |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220712945 Division CN203157372U (en) | 2012-06-20 | 2012-06-20 | Ink box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641002U true CN202641002U (en) | 2013-01-02 |
Family
ID=47410160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220292679 Expired - Lifetime CN202641002U (en) | 2012-06-20 | 2012-06-20 | Ink box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641002U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556486A (en) * | 2018-03-19 | 2018-09-21 | 刘水源 | It is a kind of that there is the dual integrated continuous ink supply system for preventing ink from flowing back |
| CN108773188A (en) * | 2018-05-15 | 2018-11-09 | 东莞理工学院 | A kind of printer negative pressure ink supply system |
| CN108790408A (en) * | 2017-04-28 | 2018-11-13 | 珠海市墨的数码科技有限公司 | A kind of ink-feeding device ink nozzle assembly |
| CN108859419A (en) * | 2018-09-06 | 2018-11-23 | 珠海中润靖杰打印科技有限公司 | A kind of print cartridge |
| CN110682690A (en) * | 2019-11-05 | 2020-01-14 | 珠海市拓佳科技有限公司 | Ink box capable of self-balancing pressure |
-
2012
- 2012-06-20 CN CN 201220292679 patent/CN202641002U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790408A (en) * | 2017-04-28 | 2018-11-13 | 珠海市墨的数码科技有限公司 | A kind of ink-feeding device ink nozzle assembly |
| CN108790408B (en) * | 2017-04-28 | 2024-04-09 | 佛山市墨的新材料有限公司 | Ink nozzle assembly of ink supply device |
| CN108556486A (en) * | 2018-03-19 | 2018-09-21 | 刘水源 | It is a kind of that there is the dual integrated continuous ink supply system for preventing ink from flowing back |
| CN108556486B (en) * | 2018-03-19 | 2023-07-14 | 刘水源 | Integrated continuous ink supply box with dual ink backflow prevention function |
| CN108773188A (en) * | 2018-05-15 | 2018-11-09 | 东莞理工学院 | A kind of printer negative pressure ink supply system |
| CN108859419A (en) * | 2018-09-06 | 2018-11-23 | 珠海中润靖杰打印科技有限公司 | A kind of print cartridge |
| CN108859419B (en) * | 2018-09-06 | 2023-09-08 | 珠海中润靖杰打印科技有限公司 | Ink box |
| CN110682690A (en) * | 2019-11-05 | 2020-01-14 | 珠海市拓佳科技有限公司 | Ink box capable of self-balancing pressure |
| CN110682690B (en) * | 2019-11-05 | 2021-04-13 | 珠海市拓佳科技有限公司 | Ink box capable of self-balancing pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHUHAI NASIDA ENTERPRISE MANAGEMENT CO., LTD. Free format text: FORMER OWNER: NINESTAR IMAGE CO., LTD. Effective date: 20150707 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150707 Address after: 519060, Guangdong, Zhuhai, No. 1 Zhuhai Road, building 5, building 3883 A Patentee after: ZHUHAI NINESTAR MANAGEMENT Co.,Ltd. Address before: 519075 Xiangzhou, Zhuhai, Pearl Road, North District, No. 63, No. Patentee before: NINESTAR IMAGE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |