CN2652657Y - Filter buffer ink sac of ink jet printer - Google Patents
Filter buffer ink sac of ink jet printer Download PDFInfo
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- CN2652657Y CN2652657Y CN 03210603 CN03210603U CN2652657Y CN 2652657 Y CN2652657 Y CN 2652657Y CN 03210603 CN03210603 CN 03210603 CN 03210603 U CN03210603 U CN 03210603U CN 2652657 Y CN2652657 Y CN 2652657Y
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Abstract
The utility model relates to a structure improvement of inkjet printer ink filtration device, which comprises a shell, the ink entry and exit arranged on the shell, which is characterized in that one side of the shell is provided with an opening provided with a film. The shell is composed of a filtration chamber arranged on the lower end of the shell and a gas cell arranged on the upper end of the shell. A filter screen is also arranged on the filtration chamber. The ink exit is arranged beneath the filtration chamber. Therefore, the utility model has a rational design and a simple structure. The impurities in the ink can be effectively filtered out to prevent the inkjet nozzle from the blockage of the impurities. The air in the ink can be effectively captured to improve the print quality. Moreover the captured air and the flexible film can be utilized for the adjustment of the ink pressure in printing. The buffer to the ink can be effectively implemented to improve the work stability of the inkjet nozzle. The utility model has the advantages of excellent ink flow pattern, low production cost and diverse functions.
Description
Technical field
The utility model relates to a kind of printer accessory, especially relates to a kind of structural improvement of ink filter device of ink-jet printer.
Background technology
The ink gun of ink-jet printer whether operate as normal can directly have influence on the effect of printing, and in order to reach printing effect preferably, the aperture of general ink gun is all very tiny; And tend to contain impurity in the printing ink, when impurity stops up ink gun by advancing ink passage, just cause the injection of printing ink to go wrong easily, thereby influence print quality.Usually near the ink-feed channel the ink gun, contaminant filter is set, invades ink gun to prevent impurity.Chinese patent literature discloses a kind of ink filter element (application number: 98801909.4), a kind of microporous membrane is installed on filtration members that is used for printer; Its microporous membrane composition is many, complex manufacturing technology, cost height.And adopt dismountable print cartridge at present usually as ink reservoir, and in the replacing process, make the ink supply exposed tube in air, air has entered the ink supply pipeline and has formed bubble.Bubble is by forming minute bubbles behind the filtration membrane, and minute bubbles are flocked on ink gun and are trapped, thereby influence the ink gun operate as normal.This contaminant filter can't deaeration to the adverse effect of inkjet printing.
The someone has applied for a kind of ink-jet printer (application number: 00134894.9), comprise that ink supply tube portion, filter and ink inlet hole are supplied to the ink gun of ink-jet printer with attaching parts of the bubble of catching in the automatic elimination filter for this reason.When the bubble in the printing ink is trapped in the top surface of filter, bubble can break away from filter top owing to the buoyancy of printing ink, when bubble leaves filter top, form a spherical bubbles, this spherical bubbles rises by conical oil ink passage coupling part and ink supply tube portion.The inner volume of oil ink passage coupling part is less than 1.1 times of ink supply tube portion inscribed sphere volume.Therefore, bubble can freely rise by the ink supply tube portion.The print defect of having avoided when bubble is trapped in filter top being occurred.Though played the function of catching bubble, its complex structure, and also the bubble after catching still returns from the ink supply pipe, fundamentally do not solve air bubble problem.In addition, in print procedure, because the part of ink supply pipeline moves with ink gun, owing to lack buffer unit, printing ink therebetween be because inertia can produce China ink at the stroke two ends, perhaps goes out problems such as China ink is excessive, influences print quality.When said apparatus can't play again and print to the cushioning effect of printing ink.
Summary of the invention
The utility model mainly is that the solution existing in prior technology lacks pooling feature, printing effect is poor, filter effect is undesirable, can't rationally utilize the air of catching, the pressure of printing ink is difficult to regulate during printing, and can't realize the technical problem of multiple function etc. in same device.
The utility model has also solved the existing in prior technology complex structure, cost height, the technical problem of the single grade of function and usage.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of filtration buffering ink sac of ink-jet printer, comprise housing, be located at advancing ink passage and going out ink passage on the housing, it is characterized in that being provided with opening in described housing one side, described opening is provided with film, described housing is made up of the filtration cavity of being located at its lower end and the air chamber of end provided thereon, and on described filtration cavity, be provided with screen pack, describedly go out ink passage and be located at and filter the cavity below.
Realize that filtering function can adopt advancing on the cross section of ink passage screen pack is set, also can adopt and advance the filtration capsule is set on the ink passage, for the function that when realizing filtering function, makes it have buffering and catch bubble, the utility model employing is provided with one and advances ink passage on housing, be provided with the printing ink inlet advancing ink passage end end, filter chamber be set in the inside of housing.After printing ink entered housing, impurity wherein is filtered net isolated like this, and bubble wherein also is trapped in the air chamber of housing simultaneously; And housing plays the efficient buffer effect to the printing ink that pours into wherein owing to inertia when printing the stroke two ends.The air that is caught in air chamber also has pooling feature, and when the pressure in the housing increased, gas was compressed; When the pressure in the housing reduced, gas expanded, thereby kept stable to the pressure of ink nozzle of printing ink in the housing.
After making printing ink enter housing, can easily flow out from housing, as preferably, two Room about described filtration cavity is divided into, describedly go out the bottom that ink passage is located at left and right filtration cavity respectively, be provided with the printing ink inlet at its end, two Room about described air chamber is divided into are provided with the passage that connects 2 air chambers therebetween.In use, might cause the gas flow of left and right sides 2 air chambers unbalanced, thereby cause two ink pressure differences that go out in the black pipeline, influence the ink gun operate as normal.After passage is set, air pressure that can the balance 2 air chambers, thus guarantee the ink gun operate as normal.
As preferably, describedly advance ink passage and pass housing and be arranged between the left and right filtration cavity, and extend to the below of air chamber, deeply to the nearly bottom of filtering cavity.Ink-jet printer is when operate as normal, ink-jet printer described in the utility model filters in the buffering ink sac, the top is an air, and the below must be a printing ink, to advance ink passage and be arranged on the nearly bottom of filtering cavity and help making and filter that air can not pour in down a chimney in the into black pipeline in the buffering ink sac, into China ink is smooth and easy relatively thereby make.
As preferably, described film is the elastic film of sealing, and described filtration cavity edge is lower than the edge of opening of described housing, at film with filter and form an ink flow passage between cavity.Elastic film can be realized pooling feature, and when wherein pressure changes, deformation will take place film, thereby adjusting printing ink is to the pressure of ink nozzle.The elastic film first-selection here is transparent elastic film, helps observing quantity of ink in the housing like this, and the clean-up performance of screen pack.
As preferably, described screen pack is vertically installed in a side of filtering cavity, and is provided with isolating frame on screen pack.Because deformation can take place in elastic film, especially after housing injects printing ink, the easier because effect of liquid and it is adsorbed onto on the screen pack, thus influence the ink supply of the separation of filtration, gas of impurity and ink outlet port to ink gun.The absorption that isolating frame can prevent film effectively is set on screen pack.
As preferably, described filtration cavity is provided with depression, describedly goes out the bottom that ink passage is located at depression.The placement of housing can be vertical, and the angle that also can tilt certain is placed.When housing tilted to place, printing ink fluidised form that might be local was poor, thereby is trapped in the housing always, and the time has been grown the quality that can influence printing ink.On filtering cavity, the flowability that depression can improve printing ink in the housing effectively is set, helps printing ink and flow out.
As preferably, described air chamber and the aspect ratio of filtering cavity are 1: 2～1: 4, and the order number of described screen pack is more than 400 orders.The order number of screen pack is big, can improve the effect of filtration, and trickle impurity is all filtered totally; And can play the effect of filtering bubble, tiny bubble is difficult to pass through screen pack equally because its surface tension is quite big.
In addition, as preferably, described air chamber is provided with the exhaust passage.When reaching a certain amount of, the gas in the air chamber air in certain amount wherein need be excluded housing.The exhaust passage is set helps regulating the size of filtering air capacity in the buffering ink sac, make it satisfy the actual needs of printing best.
Therefore, the utlity model has following characteristics: 1, reasonable in design, simple in structure; 2, filter out impurity in the printing ink effectively, prevent that ink nozzle from being stopped up by it; 3, catch air in the printing ink effectively, improve printing effect, and utilize the air of catching and the elastic film ink pressure when printing to regulate; 4, can cushion printing ink effectively, improve the job stability of ink nozzle; 5, the printing ink fluidised form is good, cost of manufacture is low, diverse in function.
Description of drawings
Accompanying drawing 1 is a kind of main TV structure schematic diagram of the present utility model;
Accompanying drawing 2 is A-A cutaway views of Fig. 1;
Accompanying drawing 3 is a kind of structural representations of looking up of the present utility model;
Accompanying drawing 4 is B-B cutaway views of Fig. 3.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: ink-jet printer filters the buffering ink sac, as Fig. 1, comprises housing 1, is located at advancing ink passage 8 and going out ink passage 7 on the housing 1, is provided with opening 2 in a side of housing 1, and described opening 2 is provided with the elastic transparent film 3 of sealing.Described housing is made up of the filtration cavity 4 that is provided with screen pack 6 of being located at its lower end and the air chamber 5 of end provided thereon, filter cavity 4 be divided into symmetry about two Room, screen pack 6 is vertically installed in a side of filtering cavity 4, and is provided with isolating frame 10 on screen pack 6.Advance ink passage 8 and pass housing 1 and be arranged between the left and right filtration cavity 4, and extend to the air chamber below,, be provided with printing ink inlet 14 at the end that advances ink passage 8 deeply to the nearly bottom of filtering cavity 4.Two Room about described air chamber 5 is divided into are provided with the passage 13 that connects 2 air chambers therebetween.Filter opening 2 edges that cavity 4 edges are lower than described box body, form an ink flow passage 9 (as Fig. 2) at film 3 and 4 of filtration cavitys.Described filtration cavity 4 is provided with depression 11, goes out the bottom that ink passage 7 is located at depression 11.The aspect ratio of air chamber 5 and filtration cavity 4 is 1: 4, and the order number of described screen pack 6 is 500 orders.On air chamber 5, be provided with exhaust passage 12.
During use, the ink-jet printer of different colours is filtered the buffering ink sac be installed on the ink gun, it advances ink passage and links to each other with the ink supply pipeline, goes out ink passage and links to each other with the ink entrance of ink gun.Printing ink enters from advancing ink passage, injects in the housing by the printing ink inlet, and bubble is wherein separated from printing ink, enters air chamber; Impurity wherein is blocked in outside the screen pack that filters cavity.Flow out from the bottom of filtering cavity be meet print require, ink gun do not had stops up dangerous printing ink.Air wherein and the elastic film effect of playing buffering simultaneously.When air is too much, can extract out from the exhaust passage of being located at housing, make it satisfy the actual needs of printing best.
Claims (10)
1. an ink-jet printer filters the buffering ink sac, comprise housing, be located at advancing ink passage and going out ink passage on the housing, it is characterized in that being provided with opening (2) in described housing (1) one side, described opening (2) is provided with film (3), described housing is made up of the air chamber (5) of the filtration cavity (4) of being located at its lower end and end provided thereon, and on described filtration cavity (4), be provided with screen pack (6), describedly go out ink passage (7) and be located at and filter cavity (4) below.
2. ink-jet printer according to claim 1 filters the buffering ink sac, it is characterized in that two Room about described filtration cavity (4) is divided into, and describedly goes out the bottom that ink passage (7) is located at left and right filtration cavity (4) respectively.
3. ink-jet printer according to claim 1 and 2 filters the buffering ink sac, it is characterized in that advancing ink passage (8) and passing housing (1) and be arranged between the left and right filtration cavity (4) described, and extend to below the air chamber, deeply, be provided with printing ink inlet (14) at its end to the nearly bottom of filtering cavity (4); Two Room about described air chamber (5) is divided into are provided with the passage (13) that connects 2 air chambers therebetween.
4. ink-jet printer according to claim 1 and 2 filters the buffering ink sac, it is characterized in that at the elastic film of described film (3) for sealing, described filtration cavity (4) edge is lower than opening (2) edge of described housing, forms an ink flow passage (9) between film (3) and filtration cavity (4).
5. ink-jet printer according to claim 3 filters the buffering ink sac, it is characterized in that at the elastic film of described film (3) for sealing, described filtration cavity (4) edge is lower than opening (2) edge of described housing, forms an ink flow passage (9) between film (3) and filtration cavity (4).
6. filter the buffering ink sac according to claim 1 or 2 or 5 described ink-jet printers, it is characterized in that being vertically installed in a side of filtering cavity (4), and on screen pack (6), be provided with isolating frame (10) at described screen pack (6).
7. filter the buffering ink sacs according to claim 1 or 2 or 5 described ink-jet printers, it is characterized in that on described filtration cavity (4), being provided with depression (11), describedly go out the bottom that ink passage (7) is located at depression (11).
8. ink-jet printer according to claim 6 filters the buffering ink sac, it is characterized in that being provided with on described filtration cavity (4) depression (11), describedly goes out the bottom that ink passage (7) is located at depression (11).
9. filter the buffering ink sac according to claim 1 or 2 or 5 or 8 described ink-jet printers, it is characterized in that the aspect ratio at described air chamber (5) and filtration cavity (4) is 1: 2～1: 4, the order number of described screen pack (6) is greater than 400 orders.
10. filter the buffering ink sac according to claim 1 or 2 or 5 or 8 described ink-jet printers, it is characterized in that on described air chamber (5), being provided with exhaust passage (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03210603 CN2652657Y (en) | 2003-09-12 | 2003-09-12 | Filter buffer ink sac of ink jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03210603 CN2652657Y (en) | 2003-09-12 | 2003-09-12 | Filter buffer ink sac of ink jet printer |
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|---|---|
| CN2652657Y true CN2652657Y (en) | 2004-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03210603 Expired - Fee Related CN2652657Y (en) | 2003-09-12 | 2003-09-12 | Filter buffer ink sac of ink jet printer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620048A (en) * | 2014-11-26 | 2016-06-01 | 杭州费尔过滤技术有限公司 | Square jet ink filter |
| CN106218225A (en) * | 2016-09-14 | 2016-12-14 | 深圳市万德环保印刷设备有限公司 | A kind of constant level hydraulic pressure ink feeding system |
| US9901952B2 (en) | 2012-07-03 | 2018-02-27 | Hewlett-Packard Development Company, L.P. | Fluid ejection apparatus with filter |
| CN108128036A (en) * | 2018-01-04 | 2018-06-08 | 天津丽彩数字技术有限公司 | Negative pressure type ink supplying device, ink feeding system and printing device |
-
2003
- 2003-09-12 CN CN 03210603 patent/CN2652657Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9901952B2 (en) | 2012-07-03 | 2018-02-27 | Hewlett-Packard Development Company, L.P. | Fluid ejection apparatus with filter |
| US10189047B2 (en) | 2012-07-03 | 2019-01-29 | Hewlett-Packard Development Company, L.P. | Fluid ejection apparatus with fluid supply floor filter |
| US10532580B2 (en) | 2012-07-03 | 2020-01-14 | Hewlett-Packard Development Company, L.P. | Fluid ejection apparatus with vertical inlet/outlet and fluid pump |
| CN105620048A (en) * | 2014-11-26 | 2016-06-01 | 杭州费尔过滤技术有限公司 | Square jet ink filter |
| CN106218225A (en) * | 2016-09-14 | 2016-12-14 | 深圳市万德环保印刷设备有限公司 | A kind of constant level hydraulic pressure ink feeding system |
| CN108128036A (en) * | 2018-01-04 | 2018-06-08 | 天津丽彩数字技术有限公司 | Negative pressure type ink supplying device, ink feeding system and printing device |
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Legal Events
| Date | Code | Title | Description |
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| 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 |