CN2543709Y - Ink storage device - Google Patents
Ink storage device Download PDFInfo
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- CN2543709Y CN2543709Y CN 02239305 CN02239305U CN2543709Y CN 2543709 Y CN2543709 Y CN 2543709Y CN 02239305 CN02239305 CN 02239305 CN 02239305 U CN02239305 U CN 02239305U CN 2543709 Y CN2543709 Y CN 2543709Y
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- ink
- storage
- air inlet
- storage device
- storage compartment
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Abstract
The utility model relates to an ink storing device, comprising an ink tank, a closed space, an air inlet and an ink outlet. Wherein, the air inlet can lead air into the closed space; and the ink outlet can lead the ink out the closed space. Besides, the utility model is also provided with a storing cell with a cut inside the closed space, so that a part of the external surface between the two ends of the storing cell is not contacted with the inner wall of the ink tank, thereby preventing the ink from back flowing near to the air inlet. Besides, the ink storing device is also provided with a storing cell inside the closed space, and the storing cell is provided with a first storing part which is near to the air inlet, a second storing part which is near to the ink outlet, and an isolation structure which is used for isolating the first storing part and the second storing part, thereby preventing the ink from back flowing near to the air inlet.
Description
Technical field
The utility model relates to a kind of ink storage device, and particularly relevant for a kind of ink storage device that prevents the ink adverse current.
Background technology
In recent years, along with the high development of inkjet technology, inkjet technology has been widely used in the office equipment that printer, duplicator and facsimile machine etc. have printing function.Inkjet technology mainly is that the high pressure that utilizes ink-jet printing head (ink-jet chip) to be produced comes moment to push ink, make the kenel of ink with ink droplet, be injected on the paper surface and form ink dot from ink-jet printing head, and utilize many ink dots on the diverse location of paper surface, thereby cause the effect of figure culture.In order to supply ink constantly to ink-jet printing head, known technology normally utilizes ink storage device to come storage ink, and design allows ink storage device supply ink directly or indirectly to ink-jet printing head.
In order to prevent ink to ooze out from ink storage device, known method one is to set a pressure regulator within ink storage device, in order to the inside and extraneous pressure differential of regulating ink storage device, make the inside of ink storage device have a negative pressure value, ooze out from the inside of ink storage device so as to the prevention ink with respect to the ambient atmosphere environment.In addition, known method two is more utilized porous material (porous material), for example sponge (sponge) or braid (fabric) etc. are material, and produce a storage element, and it is equipped on the inside of ink storage device, except the hole that utilizes storage element comes the storage ink, more can utilize the capillary attraction (capillary attraction) of the hole of storage element to adsorb ink, ooze out ink storage device with the prevention ink.
Please refer to Fig. 1, it is the generalized section of known a kind of ink storage device.Ink storage device 100 mainly comprises a storage trough for ink 110 and a storage element 120, wherein storage trough for ink 110 has a confined space 112, in order to hold storage element 120, storage element 120 then is made by porous material (for example sponge), except the capillary attraction of the hole that utilizes storage element 120 adsorbs the ink, more can utilize the short space of its hole to hold and storage ink.In addition, the bottom of storage trough for ink 110 has more an ink outlet port 114, in order to guiding ink output confined space 112, and directly (or indirectly) with ink feed to ink-jet chip 300.In addition, the top of ink storage device 100 has more an air inlet 116, enter confined space 112 in order to guide extraneous air, make ink storage device 100 ink outlet port 114 output ink during, air inlet 116 makes the ink of storage element 120 still can be supplied to ink-jet chip 300 via ink outlet port 114 outputs constantly the air pressure change between while balance confined space 112 and the external environment.
Please equally with reference to figure 1, the storage element 120 of known technology is normally made by the uniform sponge of void density, after utilizing the black contact pin 400 of a filling that ink is injected the Lower Half of storage element 120, original ink that has been stored in the Lower Half of storage element 120, with as easy as rolling off a log along storage trough for ink 110 inwall and storage element 120 between the interface 130 that constituted,, near air inlet 116, and ooze out into outside the storage trough for ink 110 according to the upruss of direction shown in the arrow via air inlet 116.Therefore, known technology is to form a breach 121 at storage element 120 near air inlet 116 places, it is depressed in the outer surface of storage element 120, with so that the part outer surface of storage element 120 away from air inlet 116, therefore, when ink when being subjected to the capillary attraction of storage element 120, can't touch air inlet 116 via the outer surface of storage element 120, ooze out into outside the storage trough for ink 110 via air inlet 116 again.Yet when ink storage device 100 was subjected to external force and rocks tempestuously or vibrate, ink still might ooze out into outside the storage trough for ink 110 via air inlet 116.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of ink storage device, can block the fast path of ink upruss, and can delay the speed of ink upruss, in order to preventing too much ink upruss near air inlet, and leak out to outside the storage trough for ink via air inlet.
Based on the purpose of this utility model, the utility model proposes a kind of ink storage device, it has a storage trough for ink, has a confined space, an air inlet and an ink outlet port, wherein air inlet is to enter confined space in order to direct air, and ink outlet port is in order to guiding ink output confined space.In addition, ink storage device has more a storage element, it is disposed within the confined space, and storage element has one first end and one second corresponding end, and the nearly air inlet of first termination of storage element, and second end of storage element is away from air inlet, and storage element has more at least one breach, it is depressed in first end of storage element and the outer surface between second end, makes first end of storage element and the inwall that the part outer surface between second end does not contact storage trough for ink.
Equally based on the purpose of this utility model, the utility model proposes a kind of ink storage device again, and it has a storage trough for ink, has a confined space, an air inlet and an ink outlet port, wherein air inlet enters confined space in order to direct air, and ink outlet port is in order to guiding ink output confined space.In addition, ink storage device has more a storage element, it is disposed within the confined space, and storage element has more one first storage compartment, configuration is near air inlet, one second storage compartment, it disposes near ink outlet port, reaches an isolation structure, and it is disposed between first storage compartment and second storage compartment, in order to isolate this first storage compartment and second storage compartment.
Description of drawings
Fig. 1 is the generalized section of known a kind of ink storage device;
Fig. 2 is the generalized section of the ink storage device of first embodiment of the present utility model; And
Fig. 3 is the generalized section of the ink storage device of second embodiment of the present utility model.
100,200,202: ink storage device
110,210: storage trough for ink
112,212: confined space
114,214: ink outlet port
116,216: air inlet
120,220,222: storage element
121,221a, 221b: breach
130,230: the interface
220a: first end
220b: second end
222a: first storage compartment
222b: second storage compartment
222c: isolation structure
232: the gap
300: ink-jet chip
400: irritate black contact pin
The specific embodiment
First embodiment
Please refer to Fig. 2, it is the generalized section of the ink storage device of first embodiment of the present utility model.Ink storage device 200 mainly comprises a storage trough for ink 210 and a storage element 220, wherein storage trough for ink 210 has a confined space 212, in order to hold storage element 220, storage element 220 then is made by porous material (for example sponge or braid), except the capillary attraction of the hole that utilizes storage element 220 adsorbs the ink, more can utilize the short space of its hole to hold and storage ink.In addition, the bottom of storage trough for ink 210 has more an ink outlet port 214, in order to guiding ink output confined space 212, and directly (or indirectly) with ink feed to ink-jet chip 300.In addition, the top of ink storage device 200 has more an air inlet 216, enter confined space 212 in order to guide extraneous air, make ink storage device 200 ink outlet port 214 output ink during, air inlet 216 makes the ink of storage element 220 still can be supplied to ink-jet chip 300 via ink outlet port 214 outputs constantly the air pressure change between while balance confined space 212 and the external environment.
Please equally with reference to figure 2, in order to prevent the interface that inwall constituted 230 of ink along the outer surface and the storage trough for ink 210 of storage element 220, and upruss is near air inlet 216, and oozes out into outside the storage trough for ink 210 via air inlet 216.First embodiment of the present utility model forms a plurality of breach 221b on storage element 220, it is depressed in respectively. first end 220a of storage element 220 and the outer surface between the second end 220b, wherein the first end 220a of storage element 220 is near air inlet 216, the second end 220b of storage element 220 is then away from air inlet 216, because air inlet 216 designs usually away from ink outlet port 214, so the first end 220a of storage element 220 also can be relatively away from ink outlet port 214.Wherein, in order to block the continuity at interface 230, the breach 221b of the inwall of storage trough for ink 210 and storage element 220 forms a gap 232, thus can utilize gap 232 to interrupt the continuity at interface 230, thereby effectively block the fast path of ink upruss.In addition, because edge and the turning point of necessary these breach of the pile warp 221b of ink, the beginning can be continued upruss, so the cup depth of breach 221b increases the path of ink upruss with correspondence, thereby delays the speed of ink upruss.In addition, because ink is difficult for walking around the turning point with angle of breach 221b, so can increase the degree of difficulty of ink upruss.
Please equally with reference to figure 2, the possible path of the upruss that first embodiment of the present utility model more can corresponding ink forms a plurality of continuously arranged breach 221b, in order to path and the degree of difficulty that significantly increases the ink upruss on storage element 220.In addition, the breach 221b of storage element 220 also can be a ring-type breach, its around and be depressed in first end 220a of storage element 220 and the outer surface between this second end 220b, can increase the path and the degree of difficulty of ink upruss equally.
The ink storage device of first embodiment of the present utility model mainly is the storage element that design one has breach, and it is equipped in the confined space of storage trough for ink of ink storage device, because the breach of storage element can interrupt the continuity at the formed interface of inwall of the surface of original storage element and storage trough for ink, thereby the fast path of blocking-up ink upruss, make ink be difficult for continuing upruss.In addition, when running into the breach of storage element when the ink upruss, the cup depth of breach will increase the path of ink upruss relatively, and, because ink is difficult for walking around the turning point of breach, thereby increase the degree of difficulty of ink upruss.Based on above-mentioned, first embodiment of the present utility model utilizes the storage element with breach effectively to block the fast path of ink upruss, and delay the speed of ink upruss simultaneously, so can prevent the ink upruss near air inlet, and ooze out outside the storage trough for ink via air inlet.
Second embodiment
Second embodiment of the present utility model and first embodiment main different be in, the ink storage device of first embodiment is to utilize a storage element with breach, and the ink storage device of second embodiment then is to utilize the common storage element of forming of an isolation structure, first storage compartment and second storage compartment.
Please refer to Fig. 3, it is the generalized section of the ink storage device of second embodiment of the present utility model.In order to simplify the content of second embodiment, except the first storage compartment 222a, the second storage compartment 222b and isolation structure 222c of storage element 222, all the other see also the related description of the ink storage device of first embodiment, so in this no longer giving unnecessary details more.In second embodiment of the present utility model, the storage element 222 of ink storage device 202 is disposed in the confined space 212 of storage trough for ink 210 equally, wherein storage element 222 is made of one first storage compartment 222a, one second storage compartment 222b and an isolation structure 222c, and the first storage compartment 222a disposes then to dispose away from air inlet 216 near air inlet 216, the second storage compartment 222b.It should be noted that because air inlet 216 designs usually away from ink outlet port 214, so the second storage compartment 222b is configurable near ink outlet port 214.In addition, isolation structure 222c configuration is between the first storage compartment 222a and the second storage compartment 222b, in order to isolate the first storage compartment 222a and the second storage compartment 222b, make that the ink that originally has been stored in the second storage compartment 222b can't upruss to the first storage compartment 222a.
Please equally with reference to figure 3, the purpose of configuration isolation structure 222c between the first storage compartment 222a and the second storage compartment 222b is the continuity that is to interrupt interface 230, make that ink can't be easily from direct upruss to the first storage compartment of second storage compartment 222b 222a, so can prevent the ink upruss near air inlet 216, and ooze out into outside the storage trough for ink 210 via air inlet 216.Wherein, isolation structure 222c can be made of a plurality of floor, and the two ends edge of these floors supports to arrive in respectively in the surface of the first storage compartment 222a and the second storage compartment 222b, making wins has an insulating space between the storage compartment 222a and the second storage compartment 222b, thereby the ink that originally had been stored in the second storage compartment 222b can't upruss to the first storage compartment 222a, and oozes out outside the storage trough for ink 210 via air inlet 216.It should be noted that, because the function of the first storage compartment 222a is not to be to store a large amount of inks, so the first storage compartment 222a can utilize the less porous material of void density to make, for example make, so can reduce by the material cost of the first storage compartment 222a with void density less sponge or braid.
The ink storage device of second embodiment of the present utility model mainly designs one and has first storage compartment, the storage element of second storage compartment and isolation structure, and this storage element is equipped in the confined space of storage trough for ink of ink storage device, wherein the configuration of first storage compartment is near the air inlet of storage trough for ink, second storage compartment then disposes air inlet away from the storage trough for ink ink outlet port of storage trough for ink (promptly near), and the isolation structure configuration is between first storage compartment and second storage compartment, in order to isolate first storage compartment and second storage compartment, make the ink that originally has been stored in second storage compartment will be difficult for adverse current to the first storage compartment, thereby prevention ink adverse current is near air inlet, and oozes out phenomenon outside the storage trough for ink via air inlet.
Please refer to Fig. 2, Fig. 3,, more known breach 221a near air inlet can be formed on the storage element 220,222 in the lump, make that ink is more difficult to ooze out into outside the storage trough for ink 210 via air inlet 216 in order to increase the effect of prevention ink adverse current.
In sum, ink storage device of the present utility model is to utilize the breach of storage element to block the phenomenon of ink upruss, and utilize breach to increase the path and the degree of difficulty of ink upruss, near air inlet, and ooze out into phenomenon outside the storage trough for ink so as to prevention ink upruss via air inlet.In addition, ink storage device of the present utility model more utilizes a storage element, it comprises first storage compartment, second storage compartment and isolation structure, wherein isolation structure is in order to isolate first storage compartment and second storage compartment, make the ink originally be stored near second storage compartment of ink outlet port be difficult for adverse current to first storage compartment near air inlet, near air inlet, and ooze out into phenomenon outside the storage trough for ink via air inlet so as to prevention ink adverse current.
Claims (17)
1. an ink storage device is characterized in that, this device comprises:
One storage trough for ink has a confined space, an air inlet and an ink outlet port, and wherein this air inlet direct air enters this confined space, and this ink outlet port guiding ink is exported this confined space; And
One storage element, be disposed within this confined space, wherein this storage element has one first end and one second corresponding end, and nearly this air inlet of this first termination of this storage element, and this of this storage element second end is away from this air inlet, and this storage element has more at least one breach, it is depressed in this first end of this storage element and the outer surface between this second end, makes this first end of this storage element and the inwall that the part outer surface between this second end does not contact this storage trough for ink.
2. ink storage device as claimed in claim 1 is characterized in that this air inlet is away from this ink outlet port.
3. ink storage device as claimed in claim 1 is characterized in that, this breach is a ring-type breach, its around and be depressed in this first end of this storage element and the outer surface between this second end.
4. ink storage device as claimed in claim 1 is characterized in that, this storage element is made by the porous material.
5. ink storage device as claimed in claim 4 is characterized in that, this porous material comprises sponge.
6. ink storage device as claimed in claim 4 is characterized in that, this porous material comprises braid.
7. an ink storage device is characterized in that, comprising:
One storage trough for ink has a confined space, an air inlet and an ink outlet port, and wherein this air inlet direct air enters this confined space, and this ink outlet port guiding ink is exported this confined space; And
One storage element is disposed within this confined space, and this storage element comprises:
One first storage compartment, configuration is near this air inlet;
One second storage compartment, configuration is near this ink outlet port; And
One isolation structure is disposed between this first storage compartment and this second storage compartment, in order to isolate this first storage compartment and this second storage compartment.
8. ink storage device as claimed in claim 7 is characterized in that this air inlet is away from this ink outlet port.
9. ink storage device as claimed in claim 7 is characterized in that, this isolation structure is formed from a plurality of floors, and the two ends edge of those floors supports to arrive in respectively in the surface of this first storage compartment and this second storage compartment.
10. ink storage device as claimed in claim 7 is characterized in that the capillary attraction of this first storage compartment is greater than the capillary attraction of this second storage compartment.
11. ink storage device as claimed in claim 7 is characterized in that, the void density of this first storage compartment is greater than the void density of this second storage compartment.
12. ink storage device as claimed in claim 7 is characterized in that, this first storage compartment is made by the porous material.
13. ink storage device as claimed in claim 7 is characterized in that, this porous material comprises sponge.
14. ink storage device as claimed in claim 7 is characterized in that, this porous material comprises braid.
15. ink storage device as claimed in claim 7 is characterized in that, this second storage compartment is made by the porous material.
16. ink storage device as claimed in claim 15 is characterized in that, this porous material comprises sponge.
17. ink storage device as claimed in claim 15 is characterized in that, this porous material comprises braid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239305 CN2543709Y (en) | 2002-06-20 | 2002-06-20 | Ink storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239305 CN2543709Y (en) | 2002-06-20 | 2002-06-20 | Ink storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2543709Y true CN2543709Y (en) | 2003-04-09 |
Family
ID=33712724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02239305 Expired - Fee Related CN2543709Y (en) | 2002-06-20 | 2002-06-20 | Ink storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2543709Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8408686B2 (en) | 2005-02-02 | 2013-04-02 | Seiko Epson Corporation | Attachment, liquid container, and liquid supply apparatus |
| US9889672B2 (en) | 2005-02-02 | 2018-02-13 | Seiko Epson Corporation | Attachment, liquid container, and liquid supply apparatus |
-
2002
- 2002-06-20 CN CN 02239305 patent/CN2543709Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8408686B2 (en) | 2005-02-02 | 2013-04-02 | Seiko Epson Corporation | Attachment, liquid container, and liquid supply apparatus |
| CN101774303B (en) * | 2005-02-02 | 2013-05-15 | 精工爱普生株式会社 | Attachment, liquid container, and liquid supply apparatus |
| US8579413B2 (en) | 2005-02-02 | 2013-11-12 | Seiko Epson Corporation | Attachment, liquid container, and liquid supply apparatus |
| US8882249B2 (en) | 2005-02-02 | 2014-11-11 | Seiko Epson Corporation | Attachment, liquid container, and liquid supply apparatus |
| US9889672B2 (en) | 2005-02-02 | 2018-02-13 | Seiko Epson Corporation | Attachment, liquid container, and liquid supply apparatus |
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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 |