CN2736168Y - Print cartridges of negative pressure type printer - Google Patents
Print cartridges of negative pressure type printer Download PDFInfo
- Publication number
- CN2736168Y CN2736168Y CN 200420094284 CN200420094284U CN2736168Y CN 2736168 Y CN2736168 Y CN 2736168Y CN 200420094284 CN200420094284 CN 200420094284 CN 200420094284 U CN200420094284 U CN 200420094284U CN 2736168 Y CN2736168 Y CN 2736168Y
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- ink
- air
- box
- chamber
- bottom case
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Abstract
The utility model discloses a print cartridge of negative pressure type printer, comprising a face cap and a bottom case matched with the face cap. A baffle is arranged at the bottom case. The baffle divides the bottom case chamber into an air chamber and an ink chamber whose bottom are communicated. The air holes communicated with the air chamber and the inking opening communicated with the ink chamber are respectively arranged at the top of the bottom case; An ink outlet which is communicated with the ink chamber is arranged at the bottom part of the bottom case. An exhaust nozzle is arranged outside the outer face of the air chamber of the bottom case; A suction nozzle is arranged inside the air chamber of the bottom case. The exhaust nozzle is communicated with the atmosphere through the air flue arranged at the outer wall of the bottom case; the suction nozzle is respectively communicated with the atmosphere and the ink chamber of the bottom case through the air flue arranged at the outer wall of the bottom case. The utility model can make the air pressure in the print cartridge chamber preserve a finite negative pressure. The utility model can stop the leakage of the ink and avoid the difficulty in ink supply due to the too low air pressure in the print cartridge chamber. And in addition, the one-way valve framework is adopted on the ink outlet gasket.
Description
Technical field
The utility model relates to a kind of ink-cases of printers, especially relates to a kind of suction type ink-cases of printers.
Background technology
The print cartridge ink inside of ink-jet printer is oozed out the pollution printer when preventing to print, and has two class print cartridges to adopt different measure to solve at present, and first kind print cartridge uses porous body such as sponge to keep ink; Second class is to add spring leaf as regulating element in inking chamber, being in negative pressure in the control inking chamber, so that do not spill and can stablize ink supply simultaneously printing ink inside.Yet first kind printer holds quantity of ink and reduces because of the existence of porous media has taken the big quantity space of inking chamber; Simultaneously, because sponge has certain volume, ink in the nearer sponge of ink outlet port usually can occur and be absorbed and used and be over, and also not absorb fully from the ink at ink outlet port sponge place at a distance, ink supply is discontinuous, but also can bring the waste to ink; And the second class print cartridge; to realize the manufacturing of print cartridge with a pressure differential; when in transportation, having caused ambient pressure to change; the ink of elevated pressures in the print cartridge will be flowed out from print cartridge; not only reduced the ink in the print cartridge relatively; reduce the service efficiency of print cartridge, and can make and catch ink on the packing box.
In order to overcome the shortcoming of above-mentioned print cartridge, inventor of the present utility model has invented a kind of air pressure balanced-type print cartridge, comprise cover and the end box that cooperates with it, in box of the described end, be provided with a plate washer, end box cavity is separated into air cavity and the inking chamber that the bottom communicates, be provided with at box top, the end pore that communicates with air cavity and communicate with inking chamber add China ink mouthful, end box bottom is provided with the ink outlet port that communicates with inking chamber.At least be provided with rigging pilotage in four Jiao Chu lower ends at described cover, box of the corresponding end is provided with the pilot hole that cooperates rigging pilotage; Be provided with some demarcation strips vertical with plate washer in box of the described end, this demarcation strip is gapped setting between the box top at the bottom of all the other and the box except that the most beneath one, and plate washer is shorter but to be longer than the box body at demarcation strip place, the end long than end box; Between described cover and end box, be disposed with big face glued membrane of weldering and interior fittings; Be provided with some support column tips in described interior fittings lower end; The weldering pore film that box bottom surface, the described end is provided with a weldering pore and cooperates with it; Described China ink mouth, ink outlet port, the pore of adding is equipped with respectively and adds China ink and mouthful fill in, go out black joint, air plug; It is described that to go out black joint be one the body of band elbow to be arranged.Yet this print cartridge still has shortcomings such as rushing down the dew ink easily.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, has done further improvement on the basis of original invention, and a kind of suction type ink-cases of printers is provided.The purpose of this utility model can be achieved through the following technical solutions:
Comprise cover and the end box that cooperates with it, be provided with a plate washer in the box of the described end, end box cavity is separated into air cavity and the inking chamber that the bottom communicates, be provided with at box top, the end pore that communicates with air cavity and communicate with inking chamber add the China ink mouthful, the bottom of end box is provided with the ink outlet port that communicates with inking chamber.The outside of box air cavity portion is provided with steam vent the end of at, and the inside of box air cavity portion is provided with air admission hole the end of at; Described steam vent is connected with atmosphere by the air flue that is arranged on the end outer box wall; Described air admission hole is connected atmosphere by the air flue that is arranged on the end outer box wall with box inking chamber of the described end.Ink outlet port is a kind of check valve, comprises an oval cylinder interface and a rectangular recess, and the centre is separated by dividing plate, and described dividing plate is provided with circular hole; Comprise that also a piston rod is by the circular hole on the described dividing plate, insert the oval cylinder interface on one side from rectangular recess, its end that is in rectangular recess is provided with circular baffle plate, is lined with sealed film between circular baffle plate and described dividing plate, is provided with spring above circular baffle plate.
The described suction type ink-cases of printers of technical solutions of the utility model is owing to be provided with air admission hole and steam vent, when the air pressure of print cartridge chamber the inside is lower than atmospheric pressure when abundant, because the effect of atmospheric pressure, film on the steam vent is sealed steam vent, same because the effect of atmospheric pressure, film on the air admission hole is thrown off, and air enters in the print cartridge chamber from air admission hole.When the air pressure of the inside, print cartridge chamber is higher than atmospheric pressure, the film on the air admission hole is sealed air admission hole, and the film on the steam vent is thrown off, air is got rid of in the print cartridge chamber from steam vent.Therefore, can make the air pressure of the inside, print cartridge chamber keep certain negative pressure, both can stop ink leakage, and don't can make ink supply that difficulty take place because the air pressure of the inside, print cartridge chamber is low excessively.In addition, ink outlet port adopts one-way valve structures, installs sealing gasket additional and has also prevented leaking outside of ink afterwards.
Description of drawings
Fig. 1 is the external view of the end box structure of the utility model suction type ink-cases of printers
Fig. 2 is the interior views of the end box structure of the utility model suction type ink-cases of printers
Fig. 3 is the cutaway view of A-A direction among Fig. 1
Fig. 4 is the partial enlarged drawing of ink outlet port check valve
Among the figure: 1. end box, 2. dividing plate, 3. air cavity, 4. inking chamber, 5. pore, 6. ink outlet port, 7. exhaust nozzle, 8. suction nozzle, 9. exhaust nozzle sealed film, 10. exhaust nozzle sealed film joint pin, 11. the exhaust nozzle core, 12. air flues that link to each other with pore, 13. suction nozzle sealed films, 14. suction nozzle sealed film joint pin, 15. the core that is connected with air flue 12 on the suction nozzle, 16. air flues that are connected with inking chamber 4,17. cores that are connected with air flue 16,18. oval cylinder goes out black interface, 19. dividing plate, 20. piston rods, the circular door of 21. piston rods, 22. gasket seal, 23. springs.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Suction type ink-cases of printers of the present utility model comprises cover and the end box 1 that cooperates with it, and cover and end box are all made with transparent plastic.The place is provided with rigging pilotage four jiaos of covers, and box of the corresponding end 1 is provided with the pilot hole that cooperates rigging pilotage, and after cover and end box were assembled up by rigging pilotage and pilot hole, the outside was sealed with glued membrane.
As shown in Figure 2, be provided with a dividing plate 2 in the box of the described end 1, end box cavity is separated into air cavity 3 and the inking chamber 4 that the bottom communicates, be provided with the pore 5 that communicates with air cavity 3 at box top, the end, the bottom of end box 1 is provided with the ink outlet port 6 that communicates with inking chamber 4.As shown in Figure 1, be provided with exhaust nozzle 7, be provided with suction nozzle 8 in the inside of end box air cavity portion in the outside of end box air cavity portion.As shown in Figure 3, exhaust nozzle 7 is two coaxial inside and outside cylinders that connect together, be provided with the joint pin 10 that installs sealed film 9 in the centre of inner cylinder, be provided with core 11 with the print cartridge intracavity inter-connection on the next door of the described cylinder in inner cylinder the inside, core 11 is connected with pore 5 and then with atmosphere by the air flue on the end outer box wall 12, sees Fig. 1.
As shown in Figure 4, ink outlet port 6 is a kind of check valves, comprises an oval cylinder interface 18 and a rectangular recess, and the centre is separated by dividing plate 19, and dividing plate 19 is provided with circular hole.Piston rod 20 is by the circular hole on the dividing plate 19, on one side insert oval cylinder interface 18 from rectangular recess, piston rod 20 is a kind of criss-cross bars, and is thinner than the circular hole that is provided with on the dividing plate 19.The end that piston rod 20 is in rectangular recess is provided with circular door 21, is lined with gasket seal 22 between circular door 21 and described dividing plate 19, is provided with spring 23 above circular door 21.Gasket seal 22 adopts the silica gel sheet.Before print cartridge was not packed printer into, spring 23 was pressed in the top of circular door 21, because the effect of gasket seal 22 makes ink outlet port 6 be closed, prevented that ink from leaking outside.After print cartridge was packed printer into, piston rod 20 was come by jack-up, and gasket seal 22 is separated from dividing plate 19, flowed out between the circular hole of ink on piston rod 20 and the dividing plate 19.
Be provided with after air admission hole 8 and the steam vent 7, when the air pressure of print cartridge chamber the inside is lower than atmospheric pressure when abundant, because the effect of atmospheric pressure, film 9 on the steam vent 7 is sealed steam vent, same because the effect of atmospheric pressure, 8 film 13 is thrown off, and air enters in the print cartridge chamber from air admission hole 8.When the air pressure of the inside, print cartridge chamber is higher than atmospheric pressure, the film on the air admission hole 8 is sealed air admission hole, and the film 9 on the steam vent 7 is thrown off, air is discharged the print cartridge chamber from steam vent.Because film 9 and film 13 all are resilient, therefore, can make the air pressure of the inside, print cartridge chamber keep certain negative pressure, both can stop ink leakage, and don't can make ink supply that difficulty take place because the air pressure of the inside, print cartridge chamber is low excessively.In addition, ink outlet port adopts one-way valve structures, installs sealing gasket additional and has also prevented leaking outside of ink afterwards.
Claims (6)
1. suction type ink-cases of printers, comprise cover and the end box that cooperates with it, be provided with a dividing plate in the box of the described end, end box cavity is separated into air cavity and the inking chamber that the bottom communicates, be provided with at box top, the end pore that communicates with air cavity and communicate with inking chamber add China ink mouthful, end box bottom is provided with the ink outlet port that communicates with inking chamber; It is characterized in that: the outside of box air cavity portion is provided with exhaust nozzle the end of at, and the inside of box air cavity portion is provided with suction nozzle the end of at; Described exhaust nozzle is connected with atmosphere by the air flue that is arranged on the end outer box wall; Described suction nozzle is communicated with respectively with atmosphere and box inking chamber of the described end by the air flue that is arranged on the end outer box wall.
2. suction type ink-cases of printers according to claim 1 is characterized in that: described ink outlet port is a kind of check valve, comprises an oval cylinder interface and a rectangular recess, and the centre is separated by dividing plate, and described dividing plate is provided with circular hole; Comprise that also a piston rod is by the circular hole on the described dividing plate, insert the oval cylinder interface on one side from rectangular recess, its end that is in rectangular recess is provided with circular door, is provided with sealed film between circular door and described dividing plate, is provided with spring above circular baffle plate.
3. suction type ink-cases of printers according to claim 2 is characterized in that: described piston rod is a kind of cross bar, and described sealed film is the silica gel sheet.
4. suction type ink-cases of printers according to claim 1, it is characterized in that: described exhaust nozzle is two coaxial inside and outside cylinders that connect together, be provided with the connection cylinder that installs sealed film in the centre of inner cylinder, be provided with the core with the print cartridge intracavity inter-connection on the next door of described connection cylinder, described core is connected with atmosphere by the air flue on the end outer box wall;
Described suction nozzle is two coaxial inside and outside cylinders that connect together, be provided with the joint pin that installs sealed film in the centre of inner cylinder, be provided with the core that is connected with air flue on the end outer box wall on the next door of the described joint pin in inner cylinder the inside, this air flue is connected with atmosphere; Be provided with the core that is connected with air flue on the end outer box wall between the described inside and outside cylinder, this air flue is connected with box inking chamber of the described end.
5. suction type ink-cases of printers according to claim 4 is characterized in that: described sealed film is circular silica gel sheet, and its diameter is less than the internal diameter of exhaust nozzle and suction nozzle outer cylinder, and greater than the external diameter of exhaust nozzle and suction nozzle inner cylinder.
6. according to claim 1 or 2 or 4 or 5 described suction type ink-cases of printers, it is characterized in that: described air flue is made of the glued membrane that is arranged on the groove on the end outer box wall and cover on the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420094284 CN2736168Y (en) | 2004-10-20 | 2004-10-20 | Print cartridges of negative pressure type printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420094284 CN2736168Y (en) | 2004-10-20 | 2004-10-20 | Print cartridges of negative pressure type printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2736168Y true CN2736168Y (en) | 2005-10-26 |
Family
ID=35306904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420094284 Expired - Fee Related CN2736168Y (en) | 2004-10-20 | 2004-10-20 | Print cartridges of negative pressure type printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2736168Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456288B (en) * | 2007-12-11 | 2010-08-18 | 研能科技股份有限公司 | Printing ink box and applicable exhaust structure |
| JP2017177780A (en) * | 2016-03-31 | 2017-10-05 | ブラザー工業株式会社 | tank |
-
2004
- 2004-10-20 CN CN 200420094284 patent/CN2736168Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456288B (en) * | 2007-12-11 | 2010-08-18 | 研能科技股份有限公司 | Printing ink box and applicable exhaust structure |
| JP2017177780A (en) * | 2016-03-31 | 2017-10-05 | ブラザー工業株式会社 | tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051026 Termination date: 20121020 |