CN201419544Y - Negative pressure ink box - Google Patents
Negative pressure ink box Download PDFInfo
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- CN201419544Y CN201419544Y CN2009201313972U CN200920131397U CN201419544Y CN 201419544 Y CN201419544 Y CN 201419544Y CN 2009201313972 U CN2009201313972 U CN 2009201313972U CN 200920131397 U CN200920131397 U CN 200920131397U CN 201419544 Y CN201419544 Y CN 201419544Y
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- ink
- negative pressure
- print cartridge
- storage chamber
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Abstract
The utility model relates to a negative pressure ink box which comprises a box body and a surface lid. The surface lid is provided with a main body part and a lid part, wherein the main body part of the surface lid extends into the box body, and the lid part of the surface lid covers the box body; an ink storing cavity is formed by the space between the box body and the main body part of the surface lid; a negative pressure cavity communicated with an ink outlet is formed in the main body part of the surface lid; an ink absorbing channel communicated with the negative pressure cavity and the ink absorbing cavity is arranged on the main body part of the surface lid, and an air guiding hole is formed at the lid part of the surface lid, an air guiding channel is also formed at the main body part of the surface lid; the air guiding hole is communicated with the ink storing cavity through the air guiding channel, and a negative pressure generation mechanism is arranged at the outlet of theair guiding channel leading to the ink storing cavity. The utility model has the advantages that because the negative pressure generation mechanism is arranged at the bottom part of the ink box thereof, the negative pressure can not disappear in the ink until the ink is completely used from the beginning of the printing operation, ensuring the stable supply of the ink, and solving the problem of ink dripping waiting for the machine.
Description
Technical field
The utility model relates to a kind of print cartridge that is contained on the ink-jet printer, more particularly, relates to a kind of negative pressure print cartridge.
Background technology
In the existing inkjet technology, there are some ink-jet printers to adopt this material that can keep liquid of sponges to keep ink in the print cartridge.U.S. Pat 6293660 discloses a kind of embodiment: in common printer, drop be sprayed onto on the medium form image ink jet head cartridge on carriage, carriage can be along moving reciprocatingly with the paper supply direction is vertical in the plane parallel with medium.In this sweep type device, carriage response indication is moved on a line, and drop response ejection signal is ejected in imaging on the paper, and by certain distance, carry out repeatedly by these operations by the feeder feed for paper subsequently.As ink droplet ejection type, make electrothermal conversioning element (heater) type and use piezoelectric element type (piezo-electric type), in these forms, the ejection of liquid is controlled by the signal of telecommunication.In using the method for electrothermal conversioning element, the signal of telecommunication is fed to electrothermal conversioning element and makes the black instantaneous boiling of contiguous electrothermal conversioning element, and the bubble that is caused by instantaneous boiling increases drop suddenly and at full speed sprays.
Because liquid-consumed in the imaging process, jet head needs always to be provided with liquid.For finishing this process, a kind of system is arranged, for example, wherein an ink container is located in the master component of ink-jet recording apparatus, and the ink supply pipe extends to record head from ink container, the negative pressure ink supply that is provided by the hydrostatic head difference between ink gun and the ink container.But this structure causes the structure heaviness, and therefore from size and price speech, it can not be used for contemporary machine.
Another kind of system is the carrying liqs container type, and wherein liquid container can removably be installed with respect to the jet head that is contained on the carriage, and is connected with the supply opening of ink gun.In this system, after container liquid-consumed falls, replaced the container of liquid with new liquid container.
In this dress liquid-type, jet head is located at usually and is lower than liquid container.Therefore, if liquid container has open to atmosphere structure, must establish a device and produce predetermined negative pressure and expose to prevent the drop ejiction opening (hole) that liquid passes through jet head.In addition, in order to stablize the hydrojet performance, should keep stable meniscus at the drop ejiction opening of jet head.In this liquid container, negative pressure is regulated and has been considered in the ejection part of jet head and a predetermined value of the hydrostatic head difference between the liquid surface in the container, to keep stable meniscus at ejiction opening.Therefore, the liquid condition in liquid container is to influential from the performance of jet head ejection drop.
In order to produce this negative pressure, the print cartridge of structure has adopted the form of the porous material of sponge kind mostly, and the internal capacity of general absorbing material original size container is big, is compressed when putting into container.Adopt this system can provide stable negative pressure to avoid problems such as ink leak, but owing to the absolute value of negative pressure can not use up sometimes fully along with the consumption of the China ink that contains in the absorbing material increases the China ink that makes in the absorbing material.
So after ink consumes to a certain degree in print cartridge,, cause ink all not discharge, the user brought the waste of resource, and cause the pollution of environment because sponge self has certain absorption affinity.
So the researcher has invented and a kind ofly utilized non-sorptive material, or the mode that reduces the sorptive material volume reduces the waste of resource, reduces environmental pollution.It is to utilize the very mode of the sponge control negative pressure of small size that a kind of print cartridge is arranged, and has reached above purpose.Its negative pressure control principle is: adopt the sponge of soaking that is placed in the print cartridge bottom to get lodged in the passage of air inlet, increase the resistance of air inlet.When the pressure that pressure differential produced of inside and outside gas during greater than the resistance of air inlet, air guide channel begins air guide.Like this along with the carrying out of printing, internal negative pressure is during to certain value, and negative pressure cavity will advance a certain amount of air, and the level when negative pressure equals intake resistance with regard to the pressure that is reduced to pressure differential and produces can dynamic balance of maintenance in the negative pressure cavity.But, after this technology printer quits work, because the permeation phenomenon can take place the problem of the material of sponge own.Negative pressure in the negative pressure cavity can be because the former thereby disappearance of permeation after print cartridge is placed a period of time.After negative pressure disappeared, print cartridge can produce the phenomenon that China ink is dripped in standby.Ink droplet is oozed by nozzle, pollutes the internal part of printer.So also there is certain defective in this technology.Therefore, in order to eliminate above defective, be necessary to design a kind of new negative pressure print cartridge to avoid dripping problem such as China ink.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of negative pressure print cartridge, drips problems such as China ink to solve standby.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of negative pressure print cartridge, it comprises box body and cover, described cover is provided with main part and cap, the main part of described cover extend in the described box body, the cap of described cover covers described box body, space between the main part of described box body and described cover forms ink storage chamber, be formed with the negative pressure cavity that is communicated with ink outlet port in the main part of described cover, the main part of described cover is provided with the blotting passage that is communicated with described negative pressure cavity and ink storage chamber, also be provided with gas port on the cap of described cover, also be provided with air guide channel on the main part of described cover, described gas port is communicated with described ink storage chamber by described air guide channel, and the exit of leading to described ink storage chamber at described air guide channel is provided with negative pressure generation mechanism.
In the utility model, also comprise being arranged in the described air guide channel to prevent that ink is back to the ink obstruct mechanism of described gas port.
In the utility model, it is ink holder that described ink intercepts mechanism.
In the utility model, it is the negative pressure sponge that described negative pressure produces mechanism.
In the utility model, the bottom of described air guide channel is the serpentine shape.
In the utility model, the lid of described cover is provided with the ink filling port that ink supply water is injected into described ink storage chamber, and described ink filling port is provided with the plug that clogs described ink filling port.
In the utility model, described blotting passage is the serpentine shape.
In the utility model, described ink outlet port stretches out in described ink storage chamber.
In the utility model, described ink outlet port place is provided with the sealing ring that is used to stop the ink in the described ink storage chamber to flow out.
In the utility model, also be provided with cotton core on the described ink outlet port.
With respect to prior art, the negative pressure print cartridge that the utility model provides pollutes thereby reduce because ink storage chamber has only quite little negative pressure sponge, and ink can not occur residual in ink storage chamber, the protection environment; Because its print cartridge bottom is provided with negative pressure and produces mechanism, and with sealing ring inside and outside two cavitys is separated, so begin to use until exhausted, there is negative pressure to exist in the print cartridge all the time to ink in printing, what guaranteed that ink can be stable confesses, and can not produce standby and drip black phenomenon.In addition, intercept mechanism, the backflow ink absorption that has concussion or air pressure change to cause can be reached the purpose of anti-backflow owing in air guide channel, be provided with ink.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and the embodiments, in the accompanying drawing:
Fig. 1 is the exploded view of the utility model negative pressure print cartridge.
Fig. 2 is the cover schematic diagram of the utility model negative pressure print cartridge.
Fig. 3 is the part assembling schematic diagram of the cover of the utility model negative pressure print cartridge.
Fig. 4 is the perspective diagram that the negative pressure of the utility model negative pressure print cartridge produces mechanism.
Fig. 5 is the perspective diagram that the ink of the utility model negative pressure print cartridge intercepts mechanism.
Fig. 6 is the schematic diagram of the utility model negative pressure print cartridge top negative pressure cavity and air guide channel.
The specific embodiment
Please together with reference to Fig. 1, the negative pressure print cartridge that Fig. 2 and shown in Figure 3, the utility model provide comprises box body 10, cover 20, and the negative pressure generation mechanism that is arranged on 10 li of this box bodys.In the present embodiment, this negative pressure generation mechanism is a negative pressure sponge 30.This cover 20 comprises main part and cap, and the main part of this cover extend in the box body 10, and the cap of cover 20 covers the openend of box body 10.
After this cover 20 inserted and covers this box body 10, this cover 20 formed casing with this box body 10, and the space between this box body 10 and this cover 20 forms ink storage chamber 15.The main part inside of this cover 20 is provided with the negative pressure cavity 21 with ink outlet port 26, the cap on these cover 20 tops is provided with gas port 22, also independently is provided with on the main part of this cover 20 to be communicated with gas port 22 and air guide channel 221 (see figure 4)s of ink storage chamber 15, the blotting passage 226 that is communicated with this ink storage chamber 15 and this negative pressure cavity 21 and ink filling port 29.
This air guide channel 221 is irregularly shaped, the passage 224 that is the serpentine shape is formed at the bottom at this air guide channel 221, this negative pressure sponge 30 is arranged in this ink storage chamber 15 and is arranged on this passage that is the serpentine shape 224 exits, to increase the resistance that gas enters.Prevent ink leakage after these ink storage chamber 15 refillings, clogging this ink filling port 29 with a plug 50.This blotting passage 226 also is the serpentine shape and is set up in parallel bottom at the main part of this cover 20 with the passage 224 of serpentine shape.
This negative pressure print cartridge is cooperated by the ink storage chamber 15 of outside and inner negative pressure cavity 21 and forms, ink outlet port 26 ends of this negative pressure cavity 21 stretch out in this ink storage chamber 15, flow out to stop the ink in the ink storage chamber 15 with the described ink storage chamber 15 of a sealing ring 40 sealings at these ink outlet port 26 places.Have an ink to intercept mechanism and be arranged in the gas port passage 221, spilt by gas port 22 to prevent that ink from refluxing, in the present embodiment, it is an ink holder 60 in the air guide channel 221 that is arranged on this cover 20 that this ink intercepts mechanism.This ink holder 60 is fluffy state, and its effect is to prevent that the negative pressure print cartridge from waiting in the concussion process in transportation, and absorption flows to gas port 22 from the ink of air guide channel 221 adverse currents.
Also be provided with cotton core 27 at these ink outlet port 26 places, its effect is (to comprise installation and removal) in the print cartridge use, needing to keep ink to be arranged in print cartridge is unlikely to drip down, this cotton core 27 cooperates the negative pressure of print cartridge to keep ink on the one hand, cooperates with LPT on the other hand ink is supplied with more fully.
Please together with reference to Fig. 4, Fig. 5 and shown in Figure 6, when the print cartridge printer of packing into, in print procedure along with the consumption of ink, ink is continuously outflowed by the ink outlet port 26 of print cartridge, and the ink entrance top of blotting passage 226 is in the bottommost of print cartridge, and ink flows from bottom to top need overcome the gravity of self, under the suction of printhead ink supply port, ink constantly passes through blotting passage 226 negative suction chamber 21 (as shown in Figure 4) from bottom to top from ink storage chamber 15.Film soldering and sealing (as shown in Figure 6) is adopted on the top of negative pressure cavity 21.And the bottom of air guide channel 221 is the exit of the passage 224 of serpentine shape and is mounted with negative pressure sponge 30, and in order to increase intake resistance, this negative pressure sponge 30 is compressive state, and its effect is in the consumption of ink process, makes and produces negative pressure in the print cartridge.
Produce certain negative pressure in ink storage chamber 15 after, gas could enter air guide channel 221 by gas port 22, and the porch from the passage 224 that is the serpentine shape enters in the ink storage chamber 15 then.After printing stopped, owing to seal these ink storage chambers 15 (as shown in Figure 3) at ink outlet port 26 places with sealing ring 40, this ink outlet port 26 can directly not be communicated with ink storage chamber 15, had guaranteed that stopping the back negative pressure in printing continues to exist.
The ink supply process of the utility model negative pressure print cartridge is as follows: after printer consumes a certain amount of ink by ink outlet port 26, the quantity of ink of negative pressure cavity 21 reduces, so in ink storage chamber 15, draw ink by blotting passage 226, after ink in the ink storage chamber 15 reduces, can suck the space of its consumption of replenish air from air guide channel, owing to having blocked gas, the negative pressure sponge 30 that is soaked with ink that is arranged on the print cartridge bottom enters ink storage chamber 15, hinder the circulation of air, caused and had only the ink outflow and do not have air to flow into, produced negative pressure thus.After a period of time was carried out in printing, the suction that negative pressure produces was with after the resistance of air inlet equates, negative pressure sponge 30 just begins air guide, and gas is flowed into by negative pressure sponge 30 places.Go out the China ink amount this moment and reach a dynamic equilibrium, guaranteed the stable existence of negative pressure thus with air inflow.Ink at ink storage chamber 15 uses up the back because negative pressure sponge 30 is in the state that soaks always, so intake resistance exists always, has guaranteed the lasting existence of negative pressure.Above ink supply process is divided two stages, and in the starting stage, ink flows out, because exist (negative pressure sponge 30 produces) of intake resistance arranged, so not air inlet temporarily.In second stage, because print cartridge has only air admission hole to be in communication with the outside behind the printer of packing into, negative pressure also increases thereupon when going out the China ink amount and reach certain value, and when the suction that produces when negative pressure equated with negative pressure sponge 30 generation intake resistances, air admission hole began air inlet.And kept dynamic equilibrium.
Gas to flow to process as follows: gas enters air guide channel 221 from this gas port 22, passes this ink then and intercepts mechanism and enter this passage that is the serpentine shape 224, passes this negative pressure sponge 30 then and enters this ink storage chamber 15.
The negative pressure print cartridge that the utility model provides pollutes the purpose of protection environment because above-mentioned ink storage chamber 15 has only quite little negative pressure sponge 30, and ink can not occur residual to reach to reduce in ink storage chamber 15.Because its print cartridge bottom is provided with negative pressure and produces mechanism (negative pressure sponge 30), and with sealing ring inside and outside two cavitys are separated, so begin to use until exhausted, there is negative pressure to exist in the print cartridge all the time to ink in printing, what guaranteed that ink can be stable confesses, and can not produce the phenomenon that China ink is dripped in standby.The utility model provide the negative pressure print cartridge, even in transportation, be subjected to the air pressure change that high-amplitude concussion or hot environment cause, can not cause ink leak or ink to overflow by air guide port yet.Intercept mechanism owing in air guide channel, be provided with ink, the backflow ink absorption that has concussion or air pressure change to cause can be reached the purpose of anti-backflow.
The above only is a better embodiment of the present utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (10)
1, a kind of negative pressure print cartridge, it comprises box body and cover, described cover is provided with main part and cap, the main part of described cover extend in the described box body, the cap of described cover covers described box body, space between the main part of described box body and described cover forms ink storage chamber, it is characterized in that: be formed with the negative pressure cavity that is communicated with ink outlet port in the main part of described cover, the main part of described cover is provided with the blotting passage that is communicated with described negative pressure cavity and ink storage chamber, also be provided with gas port on the cap of described cover, also be provided with air guide channel on the main part of described cover, described gas port is communicated with described ink storage chamber by described air guide channel, and the exit of leading to described ink storage chamber at described air guide channel is provided with negative pressure generation mechanism.
2, negative pressure print cartridge according to claim 1 is characterized in that: also comprise being arranged in the described air guide channel to prevent that ink is back to the ink obstruct mechanism of described gas port.
3, negative pressure print cartridge according to claim 2 is characterized in that: it is ink holder that described ink intercepts mechanism.
4, negative pressure print cartridge according to claim 1 is characterized in that: it is the negative pressure sponge that described negative pressure produces mechanism.
5, negative pressure print cartridge according to claim 4, it is characterized in that: the bottom of described air guide channel is the serpentine shape.
6, negative pressure print cartridge according to claim 1, it is characterized in that: the lid of described cover is provided with the ink filling port that ink supply water is injected into described ink storage chamber, and described ink filling port is provided with the plug that clogs described ink filling port.
7, negative pressure print cartridge according to claim 1 is characterized in that: described blotting passage is the serpentine shape.
8, negative pressure print cartridge according to claim 1, it is characterized in that: described ink outlet port stretches out in described ink storage chamber.
9, negative pressure print cartridge according to claim 8 is characterized in that: described ink outlet port place is provided with the sealing ring that is used to stop the ink in the described ink storage chamber to flow out.
10, negative pressure print cartridge according to claim 1 is characterized in that: also be provided with cotton core on the described ink outlet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201313972U CN201419544Y (en) | 2009-04-30 | 2009-04-30 | Negative pressure ink box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201313972U CN201419544Y (en) | 2009-04-30 | 2009-04-30 | Negative pressure ink box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201419544Y true CN201419544Y (en) | 2010-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201313972U Expired - Lifetime CN201419544Y (en) | 2009-04-30 | 2009-04-30 | Negative pressure ink box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201419544Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358704A (en) * | 2012-03-30 | 2013-10-23 | 珠海纳思达电子科技有限公司 | Ink cartridge and method for injecting ink therein |
| CN104943388A (en) * | 2014-03-31 | 2015-09-30 | 精工爱普生株式会社 | Liquid ejecting apparatus |
| CN109228674A (en) * | 2018-09-28 | 2019-01-18 | 北海市天硌打印耗材有限公司 | The print cartridge that can repeatedly fill |
| CN111572206A (en) * | 2020-03-27 | 2020-08-25 | 珠海纳思达企业管理有限公司 | Ink cartridge and method for manufacturing recycled ink cartridge |
-
2009
- 2009-04-30 CN CN2009201313972U patent/CN201419544Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358704A (en) * | 2012-03-30 | 2013-10-23 | 珠海纳思达电子科技有限公司 | Ink cartridge and method for injecting ink therein |
| CN104943388A (en) * | 2014-03-31 | 2015-09-30 | 精工爱普生株式会社 | Liquid ejecting apparatus |
| CN109228674A (en) * | 2018-09-28 | 2019-01-18 | 北海市天硌打印耗材有限公司 | The print cartridge that can repeatedly fill |
| CN111572206A (en) * | 2020-03-27 | 2020-08-25 | 珠海纳思达企业管理有限公司 | Ink cartridge and method for manufacturing recycled ink cartridge |
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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: 20150710 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150710 Address after: 519060, Guangdong, Zhuhai, No. 1 Zhuhai Road, building 5, building 3883 A Patentee after: Zhuhai Nasida Enterprise Management Co., Ltd. Address before: 519000 No. 63 Mingzhu North Road, Xiangzhou District, Guangdong, Zhuhai Patentee before: Ninestar Image Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100310 |