CN103832080B - Assistant print cartridges, ink feeding system and inkjet-printing device - Google Patents
Assistant print cartridges, ink feeding system and inkjet-printing device Download PDFInfo
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- CN103832080B CN103832080B CN201410104346.6A CN201410104346A CN103832080B CN 103832080 B CN103832080 B CN 103832080B CN 201410104346 A CN201410104346 A CN 201410104346A CN 103832080 B CN103832080 B CN 103832080B
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Abstract
The present invention proposes a kind of assistant print cartridges for ink jet printer and comprises ink box cover and cartridge body, it is characterized in that, described ink box cover is arranged the boss portion for installing the first valve and the second valve, the first passage, second channel and the third channel that switch for realizing positive/negative-pressure are set in the inside of described boss portion; Described boss portion is also provided with first passage hole, second channel hole and third channel hole, four-way hole; Described first passage communicates with described first passage hole, and described second channel communicates with described four-way hole, and described third channel connects described first passage hole and described third channel hole.Assistant print cartridges of the present invention forms positive/negative-pressure switching pipeline on ink box cover can reduce pipe interface, makes easy to maintenance, reduces the volume of ink feeding system, alleviate and print dolly weight, cost-saving, improves print quality.
Description
Technical field
The present invention relates to a kind of assistant print cartridges, relate to the higher ink-jet printer assistant print cartridges of a kind of integrated level specifically and use the ink feeding system of this assistant print cartridges, and comprise the inkjet-printing device of the ink feeding system containing this assistant print cartridges.
Background technology
In recent years because inkjet printing has higher print speed and excellent image resolution ratio, and ink jet printing device combines with computer, the flexibility of the design that makes final image and layout aspect is comparatively large, makes the popularity of inkjet technology more and more higher.
The shower nozzle dolly of ink-jet printer is provided with multiple assistant print cartridges as shown in Figure 1, and the ink of shades of colour supplies each assistant print cartridges by ink pipeline from each main print cartridge, then by each assistant print cartridges by each for providing ink shower nozzle; Assistant print cartridges comprises cartridge body 01 and ink box cover 02, in order to ensure the reliable supply of ink, assistant print cartridges is provided with liquid level sensor 03, this liquid level sensor 03 is utilized to detect the quantity of ink in black chamber, automatically to add ink when scarce ink, arrange an ink outlet port 04 in the lower end of cartridge body 01 for shower nozzle ink supply, cartridge body 01 is connected with the screw 05 of ink box cover 02 by corner.
On existing ink-jet printer, the setting height(from bottom) of assistant print cartridges is usually above shower nozzle, is affected by gravity, and ink can flow into shower nozzle from assistant print cartridges naturally.But, for realizing print speed faster, existing shower nozzle research and development and manufacturing technology level are updated, spark rate for the shower nozzle of industrialization inkjet printing purposes is more and more faster, in order to ensure the outstanding print quality under high print speed, require that printer needs to continue according to printing, stable, fast, in appropriate amount to shower nozzle ink supply.Many employing negative pressure ink supply systems in prior art, if negative pressure is too low, ink is under gravity continuously toward dirty, and the excessive shower nozzle that causes of ink supply occurs dripping black phenomenon; If negative pressure is too high, ink backflow in shower nozzle, the ink in assistant print cartridges can not flow to shower nozzle in time, in appropriate amount, causes that shower nozzle is inkless to be sprayed, and occurs disconnected ink, affects print quality.
As shown in Figure 2, in prior art, ink feeding system pipeline is complicated, negative pressure system is printed for monochrome and mainly comprises an assistant print cartridges M1, four magnetic valves F1, F2, F3, F4, B/P EGR Back Pressure Transducer EGR S1, negative pressure cavity Q, negative pressure pump P1, positive pressure pump P2, Pressure gauge S2, gas circuit pipe, vent valve f1, f2, shower nozzle H1 and control circuit etc.The negative pressure value control circuit fed back according to B/P EGR Back Pressure Transducer EGR S1 maintains the stable of negative pressure in pipeline by the work of Controlling solenoid valve F1, F2 and negative pressure pump P1.In ink jet printing process, with dolly shake back and forth cause that each pipe joint gets loose, negative pressure system pipeline is aging, the gas leakage of the acting gas pipe joint of negative pressure system, the factor such as negative pressure pump cisco unity malfunction and purge valve malfunction all will make negative pressure instability, ink overflows from shower nozzle, shower nozzle is caused to carry out normal print, magnetic valve and the frequent power on/off of negative pressure pump, service life shortens.For printing the more ink-jet printers of chromatic number, the pipe joint quantity of its negative pressure system is more, and gas circuit Guan Yuechang, detection difficulty is larger.Six looks print negative pressure system and there are 50 joints, 25 sections of pipelines.Once gas leakage, its possible part gone wrong a lot, and due to the invisibility of blowby gas path, further increases its detection difficulty.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of structure simple, easy for installation, the inkjet-printing device assistant print cartridges that integrated level is high.
For achieving the above object, the present invention proposes a kind of assistant print cartridges and comprises ink box cover and cartridge body, described ink box cover is arranged a liquid level sensor installing hole, the center of described cartridge body arranges the ink container of an accommodation ink, the upper end one of described cartridge body is for the seal groove of accommodating sealing ring, the sidewall of described cartridge body is arranged an ink entrance, described cartridge body is connected with the screw of described ink box cover by corner, described sealing ring is arranged between described cartridge body and described ink box cover for sealing cartridge body and ink box cover, it is characterized in that, described ink box cover is arranged the boss portion for installing the first valve and the second valve, the inside of described boss portion arranges the first passage switched for realizing positive/negative-pressure, second channel and third channel, described boss portion is also provided with first passage hole, second channel hole and third channel hole, four-way hole, the air inlet of described first passage hole, corresponding described first valve of second channel hole difference and gas outlet, the air inlet of described third channel hole, corresponding described second valve of four-way hole difference and gas outlet, described first passage communicates with described first passage hole, described second channel communicates with described four-way hole, and described third channel connects described first passage hole and described third channel hole.
In above-mentioned assistant print cartridges, described first passage is connected with negative pressure pump by the first joint and tracheae, and described second channel is connected with positive pressure pump by the second joint and tracheae, and the outlet of described third channel is by the 3rd joint sealing.
In above-mentioned assistant print cartridges, the lower end of described cartridge body arranges four-way, Five-channel and Hexamermis spp, described four-way is connected with described Five-channel by the 3rd valve, described Five-channel is connected with described Hexamermis spp, the outlet of described Hexamermis spp connects the 6th joint, described 6th joint by black pipe to shower nozzle ink supply.
In above-mentioned assistant print cartridges, described ink box cover is also provided with an air admission hole, described air admission hole installs one the 4th joint, described 4th joint is connected by the arrival end of tracheae with a check valve, the port of export of described check valve is connected with described first joint by tracheae, and when assistant print cartridges generation ink overflow situation, check valve is cut-off state, ink cannot flow to the port of export from the arrival end of described check valve, thus avoids the first valve to damage because flooding ink.
In above-mentioned assistant print cartridges, described first valve, the second valve, the 3rd valve are magnetic valve, and wherein said first valve and described second valve are two-position three way magnetic valve, and described 3rd valve is two-position two-way solenoid valve.
The present invention also aims to propose a kind of ink feeding system comprising assistant print cartridges, it is characterized in that, described assistant print cartridges comprises ink box cover and cartridge body, described ink box cover is arranged the boss portion for installing the first valve and the second valve, the inside of described boss portion arranges the first passage, second channel and the third channel that switch for realizing positive/negative-pressure; Described boss portion is also provided with first passage hole, second channel hole and third channel hole, four-way hole; Described first passage communicates with described first passage hole, the air inlet of described first passage hole, corresponding described first valve of second channel hole difference and gas outlet, the air inlet of described third channel hole, corresponding described second valve of four-way hole difference and gas outlet, described second channel communicates with described four-way hole, and described third channel connects described first passage hole and described third channel hole.
In above-mentioned ink feeding system, the lower end of described cartridge body arranges four-way, Five-channel and Hexamermis spp, described four-way is connected with described Five-channel by the 3rd valve, described Five-channel is connected with described Hexamermis spp, the outlet of described Hexamermis spp connects the 6th joint, described 6th joint by black pipe to shower nozzle ink supply.
In above-mentioned ink feeding system, described ink box cover is also provided with an air admission hole, described air admission hole installs one the 4th joint, and described 4th joint is connected by the arrival end of tracheae with a check valve, and the port of export of described check valve is connected with the first joint by tracheae.
Another object of the present invention is to propose a kind of inkjet-printing device comprising assistant print cartridges, comprise printing dolly, described printing dolly arranges ink feeding system, it is characterized in that, described assistant print cartridges comprises ink box cover and cartridge body, described ink box cover is arranged the boss portion for installing the first valve and the second valve, the inside of described boss portion arranges the first passage, second channel and the third channel that switch for realizing positive/negative-pressure; Described boss portion is also provided with first passage hole, second channel hole and third channel hole, four-way hole; The air inlet of described first passage hole, corresponding described first valve of second channel hole difference and gas outlet, the air inlet of described third channel hole, corresponding described second valve of four-way hole difference and gas outlet, described first passage communicates with described first passage hole, described second channel communicates with described four-way hole, and described third channel connects described first passage hole and described third channel hole.
In above-mentioned inkjet-printing device, the lower end of described cartridge body arranges four-way, Five-channel and Hexamermis spp, described four-way is connected with described Five-channel by the 3rd valve, described Five-channel is connected with described Hexamermis spp, the outlet of described Hexamermis spp connects the 6th joint, described 6th joint by black pipe to shower nozzle ink supply.
In above-mentioned inkjet-printing device, described ink box cover is also provided with an air admission hole, described air admission hole installs one the 4th joint, and described 4th joint is connected by the arrival end of tracheae with a check valve, and the port of export of described check valve is connected with described first joint by tracheae.
Accompanying drawing explanation
Fig. 1 is the stereogram of assistant print cartridges in prior art;
The schematic diagram of ink feeding system in the prior art that Fig. 2 is assistant print cartridges described in employing Fig. 1;
Fig. 3 is the stereogram of assistant print cartridges in one embodiment of the invention;
Fig. 4 is the front view of assistant print cartridges in one embodiment of the invention;
Fig. 5 is the rearview of assistant print cartridges in one embodiment of the invention;
Fig. 6 is the exploded perspective figure of assistant print cartridges in one embodiment of the invention;
Fig. 7 is the stereogram of ink box cover shown in sequence number in Fig. 31;
Fig. 8 is the side view of ink box cover shown in sequence number in Fig. 31;
Fig. 9 is the B-B sectional view of Fig. 8;
Figure 10 is the C-C sectional view of Fig. 8;
Figure 11 is the D-D sectional view of Figure 10;
Figure 12 is the front view of cartridge body shown in sequence number in Fig. 32;
Figure 13 is the A-A sectional view of Figure 12;
Figure 14 is the schematic diagram of ink feeding system in one embodiment of the invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Fig. 3 to 6, assistant print cartridges in one embodiment of the invention comprises ink box cover 1 and cartridge body 2, ink box cover 1 comprises an a horizontal part 1a and boss portion 1b, boss portion 1b installs the first valve 3 and the second valve 4, first valve 3 is negative pressure valve, second valve 4 is positive valve, and the horizontal part 1a of ink box cover 1 installs a liquid level sensor 6.Ink box cover 1 is connected by the screwed hole and screw being arranged on corner with cartridge body 2.For avoiding ink box cover 1 and cartridge body 2 to leak gas, between ink box cover 1 and cartridge body 2, also arrange a sealing ring 9, sealing ring 9 is arranged in the o-ring groove 23 of cartridge body 2 upper end.In the lower end of cartridge body 2, one the 3rd valve 5 is installed.The first valve 3, second valve 4 in the present embodiment and the 3rd valve 5 are magnetic valve, and wherein the first valve 3 and the second valve 4 are two position three-way valve, and the 3rd valve 5 is two position two-way valve.The horizontal part 1a of ink box cover 1 also arranges an air admission hole 16, air admission hole 16 installs the 4th joint 84, between the 4th joint 84 with the first valve 3, is connected in series a check valve 7.Check valve 7 for slowing down or stop ink to flow to the speed of the first valve 3 from assistant print cartridges when assistant print cartridges generation ink overflow, thus avoids the first valve 3 to damage because flooding ink.Install one the 5th joint 85 in the position, middle and upper part of cartridge body 2 side, this joint is ink feed joint, and the main print cartridge that the 5th joint 85 is arranged on bottom inkjet printing by Mo Guanyu connects.
Fig. 7 is the stereogram of ink box cover in one embodiment of the invention, ink box cover 1 in one embodiment of the invention, the first passage hole 13a of the first installing hole 11a of the first valve 3, the second installing hole 11b and the first valve 3, second channel hole 13b are set in the upper end of the boss portion 1b of ink box cover 1, the 3rd installing hole 12a, the 4th installing hole 12b of the second valve 4 and third channel hole 14a, the four-way hole 14b of the second valve 4.First valve 3 is screwed into respectively in the first installing hole 11a and the second installing hole 11b by two screws and is fixed on the boss portion 1b of ink box cover 1, and first passage hole 13a, second channel hole 13b connect the air inlet of the first valve 3 and the gas outlet of the first valve 3 respectively; Second valve 4 is screwed into respectively in the 3rd installing hole 12a and the 4th installing hole 12b by two screws and is fixed on the boss portion 1b of ink box cover 1, and third channel hole 14a, four-way hole 14b connect the air inlet of the second valve 4 and the gas outlet of the second valve 4 respectively.The horizontal part 1a of ink box cover 1 arranges sensor mounting hole 15 and an air admission hole 16, sensor mounting hole 15 is for installing liquid level sensor 6, liquid level sensor 6 for detecting the quantity of ink in assistant print cartridges so that automatically add ink when assistant print cartridges lacks ink, and stops ink supply automatically when assistant print cartridges lacks ink.In one embodiment of the invention, liquid level sensor 6 is secondary liquid level float sensor.Air admission hole 16 is installed inlet suction port 71.
As shown in Figure 4 and Figure 8, in a side of the boss portion 1b of ink box cover 1, first passage 17a and second channel 17b is set, first passage 17a is negative pressure inlet mouth, installs one first joint 81, first joint 81 be connected with negative pressure pump by tracheae in the outlet of first passage 17a; Second channel 17b is malleation air inlet, installs one second joint 82, second joint 82 be connected with positive pressure pump by tracheae in the outlet of second channel 17b.Third channel 18 is set in the another side of the boss portion 1b of ink box cover 1, at third channel 18, one the 3rd joint 83 is installed.3rd joint 83 is for the outlet of closed third channel 18.
Fig. 9 is the B-B sectional view of Fig. 8, second channel 17b and four-way hole 14b vertical connection.
Figure 10 is the C-C sectional view of Fig. 8, first passage 17a and third channel 18 vertical connection.
Figure 11 is the D-D sectional view of Figure 10, and third channel 18 communicates with first passage hole 13a and third channel hole 14a, and third channel 18 and first passage hole 13a and third channel hole 14a intersect vertically.
As shown in Figure 12 to 13, the center of the cartridge body 2 in one embodiment of the invention arranges one for holding the ink container 22 of ink, one is arranged for holding the seal groove 23 of sealing ring 9 in the upper end of cartridge body 2, in the middle and upper part, side of cartridge body 2, an ink entrance 24 is set, ink entrance 24 is installed an ink feed joint 85, four-way 21a, Five-channel 21b and Hexamermis spp 21c are set in the bottom of cartridge body 2.Four-way 21a communicates with ink container 22, Five-channel 21b communicates with Hexamermis spp 21c, four-way 21a be connected one the 3rd valve 5 between Five-channel 21b, four-way 21a connects with the import of the 3rd valve 5, the outlet of the 3rd valve 5 connects with Five-channel 21b, 3rd valve 5 is two-position two-way solenoid valve, the outlet of Hexamermis spp 21c connects the 6th joint 86,6th joint 86 by black pipe to shower nozzle ink supply, for ensureing the pure property feeding to the ink of shower nozzle, a filter can also be set between the 6th joint 86 and shower nozzle ink entrance.3rd valve 5 has break-make two states, and when the 3rd valve 5 is connected, four-way 21a and Five-channel 21b connects, and ink flows to shower nozzle from assistant print cartridges, and ink-jet printer carries out inkjet printing work.When 3rd valve 5 disconnects, four-way 21a and Five-channel 21b is obstructed, and this state is used for cutting off assistant print cartridges to shower nozzle ink supply when ink-jet printer quits work.The present invention can also install one and to act on to the 3rd valve 5 and on all four 4th valve of function installs passage for accessing cleaning fluid and arranging the 4th corresponding valve on cartridge body 2.
Assistant print cartridges tool of the present invention has the following advantages: on ink box cover, 1, form positive/negative-pressure switching pipeline can reduce pipe interface, make easy to maintenance, reduce the volume of ink feeding system, alleviate and print dolly weight, cost-saving, improves print quality.2, on cartridge body, form break-make passage and the ink that a two-port valve realizes automatically turning on and off between assistant print cartridges and shower nozzle is installed, realize whole printing ink feeding system full-automatic, reduce the component number of the assistant print cartridges port of export simultaneously, cost-saving, whole ink feeding system is simplified.3, ink supply pipeline is all-pass pipeline, is convenient to cleaning, prevents the metal owing to remaining when machine adds and forms dead end pipeline from cutting foam and causes spray nozzle to block.
Figure 14 is the ink feeding system adopting assistant print cartridges of the present invention, ink feeding system of the present invention comprises an assistant print cartridges M2, the ink box cover of assistant print cartridges M2 is installed the first valve F1 and the second valve F2, first valve F1 directly meets negative pressure pump P1 or connects negative pressure pump by a gas cylinder Q, and it is more stable that the effect of gas cylinder Q is to make the negative pressure in assistant print cartridges M2.For controlling the reduced pressure of assistant print cartridges M2, between the first valve F1 and negative pressure pump P1, be connected in series one first flow-limiting valve f1.The 3rd flow-limiting valve f3 negative pressure channel of assistant print cartridges M2 also being arranged one the 4th valve F4 and be connected with the 4th valve F4.Second valve F2 directly meets positive pressure pump P2, for regulating the size of the normal pressure of assistant print cartridges M2, between the second valve F2 and positive pressure pump P2, is connected in series one second flow-limiting valve f2.Also built-in for realizing the inner passage that positive/negative-pressure switches on the ink box cover of assistant print cartridges M2.The pipeline that gas cylinder Q exports can be connected in series the B/P EGR Back Pressure Transducer EGR S1 for signal piping air pressure and/or Pressure gauge S2.Assistant print cartridges M2 being provided with liquid level sensor S3 for detecting the liquid level of assistant print cartridges M2 ink inside so that add ink in time when scarce ink, stopping ink supply when ink is full.The cartridge body of assistant print cartridges M2 installs the 3rd valve F3, and the ink in assistant print cartridges M2 flows to shower nozzle via the 3rd valve F3, for ensureing that the ink flowing into shower nozzle H1 does not exist impurity, can also arrange a filter between assistant print cartridges M2 and the 3rd valve F3.During inkjet printing, first valve F1 is in open mode, second valve F2 is in closed condition, 3rd valve F3 is in open mode, 4th valve F4 is in closed condition, and now negative pressure pump P1 is in running order, and positive pressure pump P2 is in off position, air pressure in assistant print cartridges M2 is negative pressure, ink via assistant print cartridges M2 according to print demand continous-stable to shower nozzle H1 ink supply.When B/P EGR Back Pressure Transducer EGR S1 detects that in assistant print cartridges M2, negative pressure is too high, the 4th valve F4 opens into portion of air for reducing the negative pressure in assistant print cartridges M2; When in assistant print cartridges M2, negative pressure is in normal level, the 4th valve F4 closes.When the blocking of shower nozzle H1 spray orifice needs dredging shower nozzle, first valve F1 is in closed condition, second valve F2 is in open mode, 3rd valve F3 is in open mode, 4th valve F4 is in closed condition, and now negative pressure pump P1 is in off position, and positive pressure pump P2 is in running order, air pressure in assistant print cartridges M2 is malleation, and the ink in assistant print cartridges M2 impacts spray nozzle with the spray nozzle of dredge blockage under the effect of malleation.
Ink feeding system in multiple color inkjet printing equipment can comprise multiple assistant print cartridges M2, and multiple assistant print cartridges M2 connecing is connected with negative pressure pump P1 and positive pressure pump P2 respectively afterwards.The present invention also can control the pressure in each assistant print cartridges M2 respectively, and the pressure in each assistant print cartridges M2 is independently ink feeding system, as shown in figure 14.
Assistant print cartridges of the present invention, and the ink feeding system adopting assistant print cartridges of the present invention to form may be used for adopting arbitrarily in the ink-jet printer of negative pressure ink supply, realize continous-stable to shower nozzle ink supply.
It is to be noted and any distortion done according to the specific embodiment of the present invention all do not depart from the scope of spirit of the present invention and claim record.
Claims (10)
1. an assistant print cartridges, comprise ink box cover and cartridge body, described ink box cover is arranged a liquid level sensor installing hole, the center of described cartridge body arranges the ink container of an accommodation ink, the upper end one of described cartridge body is for the seal groove of accommodating sealing ring, the sidewall of described cartridge body is arranged an ink entrance, described cartridge body is connected with the screw of described ink box cover by corner, described sealing ring is arranged between described cartridge body and described ink box cover for sealing described cartridge body and described ink box cover, it is characterized in that, described ink box cover is arranged the boss portion for installing the first valve and the second valve, the inside of described boss portion arranges the first passage switched for realizing positive/negative-pressure, second channel and third channel, described boss portion is also provided with first passage hole, second channel hole and third channel hole, four-way hole, the air inlet of described first passage hole, corresponding described first valve of second channel hole difference and gas outlet, the air inlet of described third channel hole, corresponding described second valve of four-way hole difference and gas outlet, described first passage communicates with described first passage hole, described second channel communicates with described four-way hole, and described third channel connects described first passage hole and described third channel hole.
2. assistant print cartridges as claimed in claim 1, is characterized in that, described first passage is connected with negative pressure pump by the first joint and tracheae, and described second channel is connected with positive pressure pump by the second joint and tracheae, and the outlet of described third channel is by the 3rd joint sealing.
3. assistant print cartridges as claimed in claim 1, it is characterized in that, the lower end of described cartridge body is provided with four-way, Five-channel and Hexamermis spp, described four-way is connected with described Five-channel by the 3rd valve, described Five-channel communicates with described Hexamermis spp, and the outlet of described Hexamermis spp connects the 6th joint.
4. assistant print cartridges as claimed in claim 3, it is characterized in that, described first valve, the second valve and the 3rd valve are magnetic valve.
5. assistant print cartridges as claimed in claim 2, it is characterized in that, described ink box cover is also provided with an air admission hole, described air admission hole installs one the 4th joint, described 4th joint is connected by the arrival end of tracheae with a check valve, and the port of export of described check valve is connected with described first joint by tracheae.
6. one kind comprises the ink feeding system of assistant print cartridges, it is characterized in that, described assistant print cartridges comprises ink box cover and cartridge body, described ink box cover is arranged the boss portion for installing the first valve and the second valve, the inside of described boss portion arranges the first passage, second channel and the third channel that switch for realizing positive/negative-pressure; Described boss portion is also provided with first passage hole, second channel hole and third channel hole, four-way hole; The air inlet of described first passage hole, corresponding described first valve of second channel hole difference and gas outlet, the air inlet of described third channel hole, corresponding described second valve of four-way hole difference and gas outlet, described first passage communicates with described first passage hole, described second channel communicates with described four-way hole, and described third channel connects described first passage hole and described third channel hole.
7. ink feeding system as claimed in claim 6, it is characterized in that, the lower end of described cartridge body arranges four-way, Five-channel and Hexamermis spp, described four-way is connected with described Five-channel by the 3rd valve, described Five-channel communicates with described Hexamermis spp, and the outlet of described Hexamermis spp connects the 6th joint.
8. ink feeding system as claimed in claim 6, it is characterized in that, described ink box cover is also provided with an air admission hole, described air admission hole installs one the 4th joint, described 4th joint is connected by the arrival end of tracheae with a check valve, and the port of export of described check valve is connected with the first joint by tracheae.
9. one kind comprises the inkjet-printing device of assistant print cartridges, comprise printing dolly, described printing dolly arranges ink feeding system, it is characterized in that, described assistant print cartridges comprises ink box cover and cartridge body, described ink box cover is arranged the boss portion for installing the first valve and the second valve, the inside of described boss portion arranges the first passage, second channel and the third channel that switch for realizing positive/negative-pressure; Described boss portion is also provided with first passage hole, second channel hole and third channel hole, four-way hole; The air inlet of described first passage hole, corresponding described first valve of second channel hole difference and gas outlet, the air inlet of described third channel hole, corresponding described second valve of four-way hole difference and gas outlet, described first passage communicates with described first passage hole, described second channel communicates with described four-way hole, and described third channel connects described first passage hole and described third channel hole.
10. inkjet-printing device as claimed in claim 9, it is characterized in that, the lower end of described cartridge body arranges four-way, Five-channel and Hexamermis spp, described four-way is connected with described Five-channel by the 3rd valve, described Five-channel communicates with described Hexamermis spp, and the outlet of described Hexamermis spp connects the 6th joint.
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| CN109177496B (en) * | 2018-09-27 | 2024-02-20 | 珠海赛纳三维科技有限公司 | Negative pressure control device, negative pressure control method and printing equipment |
| CN114211883A (en) * | 2021-11-29 | 2022-03-22 | 安徽微通流体控制系统有限公司 | Negative pressure adjusting type two-stage ink box |
| CN116278400B (en) * | 2023-05-16 | 2023-09-01 | 苏州优备精密智能装备股份有限公司 | Multifunctional ink supply device for ink-jet printing and printing method thereof |
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| CN203805498U (en) * | 2014-03-20 | 2014-09-03 | 北京美科艺数码科技发展有限公司 | Auxiliary ink cartridge, ink supply system and ink-jet printing device |
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