CN2900167Y - Ink jet printer ink box and its composite valve - Google Patents
Ink jet printer ink box and its composite valve Download PDFInfo
- Publication number
- CN2900167Y CN2900167Y CN 200520136728 CN200520136728U CN2900167Y CN 2900167 Y CN2900167 Y CN 2900167Y CN 200520136728 CN200520136728 CN 200520136728 CN 200520136728 U CN200520136728 U CN 200520136728U CN 2900167 Y CN2900167 Y CN 2900167Y
- Authority
- CN
- China
- Prior art keywords
- ink
- valve
- jet printer
- printer cartridge
- storage chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an ink box and its combination valve for ink-jet printer. Wherein, the combination valve is composed of a valve holder and a valve core. As the ink pressure in ink storage chamber of the ink box exceeds pressure at the ink box outlet, the valve core controls ink to flow into the ink box outlet to replenish tattooing needles of the printer. As the pressure at the ink box outlet exceeds the pressure in ink storage chamber, the valve enables the ink at the ink box outlet to flow into the ink storage chamber. An ink control mechanism for the ink-jet printer has the same or similar structure with the combination valve. The ink box can effectively eliminate ink leakage at the ink outlet during dismantlement and installation and avoid impact of the ink on the printing head.
Description
Technical field
The utility model relates to ink-jet printer cartridge and composite valve thereof, particularly adopts the ink-jet printer cartridge of the ink on off operating mode of valve control ink-jet printer cartridge ink outlet port, and the composite valve that is applied to this ink-jet printer cartridge.
Background technology
With the matching used print cartridge of ink-jet printer, its primary structure comprises the ink storage chamber that is used to store ink, keeps the pore of air pressure balance with external environment condition, to the ink outlet port of the printhead ink supply of printer.In print procedure, in order to keep the sealed storage requirement of normal black liquid supply and ink, adopt the technical measures of dual mode usually, in ink storage chamber, insert porous class material first, for example cavernous body keeps the ink sealing by capillary effect; Second utilize self frame for movement of print cartridge, be aided with suitable seal part or check valve.
Take into account the sponge-free ink box of sealing property and ink splendid attire efficient, further be subjected to user's welcome.For example, utility model patent 02227387.5 discloses a kind of " ink-cases of printers ", can realize that the whole inner chamber of print cartridge is in negative pressure state, and guarantees that the print cartridge ink outlet port that moves apart printer is in sealing state to prevent the ink outflow.It comprises ink storage chamber, pressure adjustmenting mechanism, sealing ring and spring.Pressure adjustmenting mechanism is placed in the ink storage chamber, it comprises forward and backward valve body, valve film, cover and spring, between the driving fit forward and backward valve body together a valve film is arranged, one spring is arranged between valve film and the front valve shell, have an air groove on the rear valve body, the middle part of groove bottom is provided with the shrinkage pool of a projection, has the small sircle hole of a band chimb on the valve film, and this circular hole is withstood in the shrinkage pool of rear valve body by spring.Pressure adjustmenting mechanism is installed on the cover of ink storage chamber, and a passage is arranged on the cover, and the air groove of rear valve body has a pore to communicate with passage on the cover, and passage communicates with atmosphere.This technical scheme is utilized the sealing function of the pressure adjustmenting mechanism of valve film and spring formation to passage and ink outlet port, regulate and print the inking chamber negative pressure that produces behind the syringe needle blotting, realized that ink storage chamber is in negative pressure state under the duty, utilized the active force fitted seal ball of spring to realize breaking away from the sealing of print cartridge ink outlet port behind the printer.Yet, in this type of print cartridge process of replacing, because the printer ink-providing pin self has certain volume, the moment of its turnover ink outlet port can cause the ink outlet port internal pressure to change, therefore often be attended by the ink outlet port ink leak, pollute the phenomenon of printer or print media, serious even printhead occurs and damage.
Summary of the invention
The utility model purpose provides that a kind of ink outlet port does not have the composite valve that is applied to ink-jet printer cartridge of ink leak when changing ink-jet printer cartridge, and this composite valve can avoid printhead because of the excessive damage that is subjected to of the ink pressure that bears effectively.
Another purpose of the utility model is on the ink-jet printer cartridge basis of existing use check valve control ink on off operating mode, ink outlet port did not have the ink-jet printer cartridge of ink leak when a kind of the replacing was provided, and this print cartridge can avoid printhead because of the excessive damage that is subjected to of the ink pressure that bears effectively.
According to above-mentioned purpose one, a kind of composite valve structure is finished in design.Use the ink-jet printer cartridge of this composite valve to comprise the ink flow path of this ink storage chamber of ink storage chamber, ink outlet port and connection and ink outlet port.This composite valve is connected with above-mentioned ink flow path.It comprises valve seat and spool.When the pressure in the ink storage chamber of ink-jet printer cartridge during greater than the pressure in the ink-jet printer cartridge ink outlet port, the ink in the above-mentioned spool control ink-jet printer cartridge ink storage chamber flows in the ink-jet printer cartridge ink outlet port.When the pressure in the ink-jet printer cartridge ink outlet port during greater than the pressure in the ink-jet printer cartridge ink storage chamber, the ink in the above-mentioned spool control ink-jet printer cartridge ink outlet port flows in the ink-jet printer cartridge ink storage chamber.
Preferably, the valve seat of composite valve is provided with ink feeder 9031, relief hole 9035 and the ink supply aperture 9034 that is interconnected.Wherein ink supply aperture 9034 is communicated with the ink outlet port of ink-jet printer cartridge.Ink feeder 9031 and relief hole 9035 all are communicated with the ink storage chamber of ink-jet printer cartridge.The spool of composite valve is arranged in the valve base cavity of composite valve, and its quantity is two 9032,9036.The spool 9032 of composite valve by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port,, is in ink feeder 9031 and opens or closed condition towards ink supply aperture 9,034 one sides at ink feeder 9031.The spool 9036 of composite valve by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port, in ink storage chamber one side of relief hole 9035 towards ink-jet printer cartridge, is in relief hole 9035 and opens or closed condition.
Here " spool 9032 of composite valve; by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port; at ink feeder 9031 towards ink supply aperture 9,034 one sides; ink feeder 9031 is in opens or closed condition " be meant, under the ink feeder 9031 of composite valve valve seat and state that the ink storage chamber of ink-jet printer cartridge is communicated with, along the ink flow circuits of composite valve valve seat ink feeder 9031 to composite valve valve seat ink supply aperture 9034, the spool 9032 of composite valve is pressed against the sidewall of ink feeder 9031 in the face of ink supply aperture 9034 by elastic force, and perhaps the spool 9032 of composite valve is led from the sidewall of ink feeder 9031 in the face of ink supply aperture 9034 by the pressure reduction between ink-jet printer cartridge ink storage chamber and ink outlet port." spool 9036 of composite valve; by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port; in ink storage chamber one side of relief hole 9035 towards ink-jet printer cartridge; relief hole 9035 is in opens or closed condition " is meant, under the relief hole 9035 of composite valve valve seat and state that the ink storage chamber of ink-jet printer cartridge is communicated with, ink flow circuits along composite valve valve seat relief hole 9035 to the ink-jet printer cartridge ink storage chamber, the spool 9036 of composite valve is pressed against the sidewall of relief hole 9035 in the face of the ink-jet printer cartridge ink storage chamber by elastic force, and perhaps the spool 9036 of composite valve is led from the sidewall of relief hole 9035 in the face of the ink-jet printer cartridge ink storage chamber by the pressure reduction between ink-jet printer cartridge ink storage chamber and ink outlet port.
In the above-mentioned preferred version, the elastic force that puts on the spool 9032 of composite valve is provided by corresponding spring 9033,9037 respectively with the elastic force that puts on the spool 9036 of composite valve.
Further, the valve seat of composite valve is provided with ink feeder 10155 and the ink supply aperture 10152 that is interconnected.The spool of composite valve is arranged in the valve base cavity of composite valve, and ink feeder 10155 and ink supply aperture 10152 are cut off.The spool of composite valve is by elastic material, and it is provided with ink supply port 10151 and pressure relief opening 10154.Under the differential pressure action between ink-jet printer cartridge ink storage chamber and the ink outlet port, the spool of composite valve is in ink supply port 10151 to be communicated with the state of ink-jet printer cartridge ink storage chamber and ink outlet port or is in and overlayed on the inner boss 10153 that is provided with of the valve seat of composite valve and the state that is blocked; State correspondence therewith, the spool of composite valve is then corresponding to be in pressure relief opening 10154 to be overlayed on the inner boss 10150 that is provided with of the valve seat of composite valve and the state that is blocked or be in the state that is communicated with ink-jet printer cartridge ink storage chamber and ink outlet port.
Here, the spool of composite valve is at the action and the state at ink supply port 10151 and pressure relief opening 10154 places, be that ink supply port 10151 is in and opens or close, and pressure relief opening 10154 is in the state of closing or opening accordingly, it is elastomeric material by preparation composite valve spool, the elasticity that possesses of rubber itself for example cooperates that differential pressure action between ink-jet printer cartridge ink storage chamber and the ink outlet port is common to be realized.
Further preferred, the valve seat of composite valve is provided with ink feeder 1107, relief hole 1108, ink supply aperture 1101 and the fluid passage 1104 that is interconnected.Ink supply aperture 1101 is communicated with the ink outlet port of ink-jet printer cartridge.Ink feeder 1107 and relief hole 1108 all are communicated with the ink storage chamber of ink-jet printer cartridge.Relief hole 1108 at the valve seat of composite valve on the sidewall between ink feeder 1107 and the ink supply aperture 1101.The spool of composite valve is mounted slidably in the valve base cavity of composite valve.The spool of composite valve is subjected to the immixture of pressure reduction between the ink storage chamber of elastic force and ink-jet printer cartridge and the ink outlet port, in perpendicular to relief hole 1108, slide on the direction of ink flow circuits, make relief hole 1108 be in the state that is communicated with or blocks ink-jet printer cartridge ink storage chamber and ink outlet port; State correspondence therewith, the spool of the composite valve that slides on this direction is corresponding to be made fluid passage 1104 be in blocking-up or is communicated with the state of ink feeder 1107 and ink-jet printer cartridge ink outlet port.
Another preferred version can also be provided, and the valve seat of composite valve is provided with the separate two-way China ink road 1204,1201 that ink flow path and ink-jet printer cartridge ink storage chamber and ink outlet port by ink-jet printer cartridge all are communicated with.The spool of composite valve is the elastic valve plate 1206 that is positioned at the port setting of black road 1204 sensing ink-jet printer cartridge ink storage chambers at the valve seat of composite valve, and is positioned at the elastic valve plate 1203 that black road 1201 points to the port setting of described ink-jet printer cartridge ink outlet port at the valve seat of composite valve.In the ink-jet printer cartridge ink storage chamber and under the ink pressure difference effect in the ink outlet port, elastic valve plate 1206 is in black road 1204 and opens or closed condition, state correspondence therewith, and 1203 of elastic valve plates are in black road 1201 and close or opening.
Adapt with the utility model purpose two, propose a kind of ink-jet printer cartridge technical scheme, its technology inscape comprises the ink flow path of aforementioned ink storage chamber of ink storage chamber, ink outlet port, valve and connection and ink outlet port.The valve that this ink-jet printer cartridge uses is a composite valve.This composite valve is connected with ink flow path.Wherein composite valve comprises valve seat and spool.When the pressure in the ink-jet printer cartridge ink storage chamber during greater than the pressure in the ink-jet printer cartridge ink outlet port, the ink in the spool control ink storage chamber flows in the ink outlet port.When the pressure in the ink-jet printer cartridge ink outlet port during greater than the pressure in the ink-jet printer cartridge ink storage chamber, the ink in the spool control ink outlet port flows in the ink storage chamber.
As the prioritization scheme of ink-jet printer cartridge, the valve seat of its composite valve is provided with ink feeder 9031, relief hole 9035 and the ink supply aperture 9034 that is interconnected.Ink supply aperture 9034 is communicated with the ink outlet port of ink-jet printer cartridge.Ink feeder 9031 and relief hole 9035 all are communicated with the ink storage chamber of ink-jet printer cartridge.The spool of composite valve is arranged in the valve base cavity of composite valve, and its quantity is two 9032,9036.The spool 9032 of composite valve by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port, is in ink feeder 9031 at ink feeder 9031 towards ink supply aperture 9,034 one sides and opens or closed condition.The spool 9036 of composite valve by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port, is in relief hole 9035 at relief hole 9035 towards ink storage chamber one side of ink-jet printer cartridge and opens or closed condition.
Here " spool 9032 of composite valve; by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port; at ink feeder 9031 towards ink supply aperture 9,034 one sides; ink feeder 9031 is in opens or closed condition " be meant, under the ink feeder 9031 of composite valve valve seat and state that the ink storage chamber of ink-jet printer cartridge is communicated with, along the ink flow circuits of composite valve valve seat ink feeder 9031 to composite valve valve seat ink supply aperture 9034, the spool 9032 of composite valve is pressed against the sidewall of ink feeder 9031 in the face of ink supply aperture 9034 by elastic force, and perhaps the spool 9032 of composite valve is led from the sidewall of ink feeder 9031 in the face of ink supply aperture 9034 by the pressure reduction between ink-jet printer cartridge ink storage chamber and ink outlet port." spool 9036 of composite valve; by the immixture of pressure reduction between elastic force and ink-jet printer cartridge ink storage chamber and ink outlet port; in ink storage chamber one side of relief hole 9035 towards ink-jet printer cartridge; relief hole 9035 is in opens or closed condition " is meant, under the relief hole 9035 of composite valve valve seat and state that the ink storage chamber of ink-jet printer cartridge is communicated with, ink flow circuits along composite valve valve seat relief hole 9035 to the ink-jet printer cartridge ink storage chamber, the spool 9036 of composite valve is pressed against the sidewall of relief hole 9035 in the face of the ink-jet printer cartridge ink storage chamber by elastic force, and perhaps the spool 9036 of composite valve is led from the sidewall of relief hole 9035 in the face of the ink-jet printer cartridge ink storage chamber by the pressure reduction between ink-jet printer cartridge ink storage chamber and ink outlet port.
In the above-mentioned ink-jet printer cartridge prioritization scheme, the elastic force that puts on the spool 9032 of composite valve is provided by corresponding spring 9033,9037 respectively with the elastic force that puts on the spool 9036 of composite valve.
As another prioritization scheme of ink-jet printer cartridge, the valve seat of its composite valve is provided with ink feeder 10155 and the ink supply aperture 10152 that is interconnected.The spool of composite valve is arranged in the valve base cavity of composite valve, and ink feeder 10155 and ink supply aperture 10152 are cut off.The spool of composite valve is by elastic material, and it is provided with ink supply port 10151 and pressure relief opening 10154.Under the differential pressure action between ink-jet printer cartridge ink storage chamber and the ink outlet port, the spool of composite valve is in ink supply port 10151 to be communicated with the state of ink-jet printer cartridge ink storage chamber and ink outlet port, perhaps is in to be overlayed on the inner boss 10153 that is provided with of the valve seat of composite valve and the state that is blocked.State is corresponding therewith, and the spool of composite valve is corresponding to be in pressure relief opening 10154 to be overlayed on the inner boss 10150 that is provided with of the valve seat of composite valve and the state that is blocked perhaps is in the state that is communicated with ink-jet printer cartridge ink storage chamber and ink outlet port.
Here, the spool of composite valve is at the action and the state at ink supply port 10151 and pressure relief opening 10154 places, be that ink supply port 10151 is in and opens or close, and pressure relief opening 10154 is in the state of closing or opening accordingly, it is elastomeric material by preparation composite valve spool, the elasticity that possesses of rubber itself for example cooperates that differential pressure action between ink-jet printer cartridge ink storage chamber and the ink outlet port is common to be realized.
As another prioritization scheme of ink-jet printer cartridge, the valve seat of its composite valve is provided with ink feeder 1107, relief hole 1108, ink supply aperture 1101 and the fluid passage 1104 that is interconnected.Ink supply aperture 1101 is communicated with the ink outlet port of ink-jet printer cartridge.Ink feeder 1107 and relief hole 1108 all are communicated with the ink storage chamber of ink-jet printer cartridge.Relief hole 1108 at the valve seat of composite valve on the sidewall between ink feeder 1107 and the ink supply aperture 1101.The spool of composite valve is mounted slidably in the valve base cavity of composite valve.The spool of composite valve is subjected to the immixture of pressure reduction between the ink storage chamber of elastic force and ink-jet printer cartridge and the ink outlet port, slide on the direction that ink flows in perpendicular to relief hole 1108, make relief hole 1108 be in the state that is communicated with or blocks ink-jet printer cartridge ink storage chamber and ink outlet port.State correspondence therewith, the spool of composite valve is corresponding to be made fluid passage 1104 be in blocking-up or is communicated with the state of ink feeder 1107 and ink-jet printer cartridge ink outlet port.
As another prioritization scheme of ink-jet printer cartridge, the valve seat of its composite valve is provided with the separate two-way China ink road 1204,1201 that ink flow path and ink-jet printer cartridge ink storage chamber and ink outlet port by ink-jet printer cartridge all are communicated with.The spool of composite valve, be the elastic valve plate 1206 that is positioned at the port setting of black road 1204 sensing ink-jet printer cartridge ink storage chambers at the valve seat of composite valve, and be positioned at the elastic valve plate 1203 that black road 1201 points to the port setting of ink-jet printer cartridge ink outlet ports at the valve seat of composite valve.In the ink-jet printer cartridge ink storage chamber and under the ink pressure difference effect in the ink outlet port, elastic valve plate 1206 is in black road 1204 and opens or closed condition, therewith state synchronized accordingly, elastic valve plate 1203 is in black road 1201 and closes or opening.
Can also continue to provide another prioritization scheme of ink-jet printer cartridge, its ink-jet printer cartridge ink storage chamber is communicated with outside atmosphere by air flue.The valve seat of composite valve is provided with the separate two-way China ink road that ink flow path and ink-jet printer cartridge ink storage chamber and ink outlet port by ink-jet printer cartridge all are communicated with.The spool of composite valve is a check valve that is arranged among each Lu Modao.The opening direction of the check valve in this two-way China ink road is opposite.
The prioritization scheme of ink-jet printer cartridge further is provided, in the check valve in its two-way China ink road one, when the pressure differential between ink-jet printer cartridge ink storage chamber and ink outlet port is first predetermined value, be in the state that is communicated with ink-jet printer cartridge ink storage chamber and ink outlet port, another is in closed condition.When the pressure differential between ink-jet printer cartridge ink storage chamber and ink outlet port is second predetermined value, pressure differential in the two-way China ink road between ink-jet printer cartridge ink storage chamber and ink outlet port is in the state that is communicated with ink-jet printer cartridge ink storage chamber and ink outlet port when being first predetermined value check valve is in closed condition, and another is in the state that is communicated with ink storage chamber and ink outlet port.
The prioritization scheme of an ink-jet printer cartridge is provided at last, and the black road that is in the check valve place of opening when promptly the pressure in the ink-jet printer cartridge ink outlet port is greater than ink-jet printer cartridge ink storage chamber internal pressure is communicated with air flue.
Existing sponge-free ink box is on being mounted to printer the time, and ink supply pin moment pierces through the ink outlet port diaphragm seal and enters in the ink outlet port.Because the volume in the ink outlet port is less relatively, the ink supply pin that inserts in it will cause the compression shock of big numerical value in short-term to the ink in the ink outlet port.The pressurized ink will follow that associated pipe discharges its increased pressure in the slit at ink outlet port position or the ink outlet port, promptly along the liquid road between ink storage chamber and ink outlet port, ink outlet port to the sealing off gap of box body outside and the ink flow duct of printhead inside transmit.In the excessive situation of pressure, liquid road between ink storage chamber and ink outlet port and the ink outlet port sealing to the sealing off gap of box body outside will be destroyed, the lighter forms black liquid and reveals, and pollutes work top or printer, and the unidirectional unlatching performance that weight person damages check valve causes print cartridge to scrap; Perhaps cause the ink flow duct of printhead inside excessive and impaired because of pressure.The utility model is promptly at this problem, composite valve with pressure relief function is provided, simultaneously this composite valve is applied in the ink-jet printer cartridge, perhaps in composite valve, be provided for the ink flow path that check valve can be adjusted black road on off operating mode automatically that passes through of pressure release, make the interior black liquid of ink outlet port when ink supply pin insertion causing pressure increases, can discharge pipeline along the pressure of composite valve, perhaps composite valve is released into the pressure augmenting portion in the ink storage chamber by the pressure release passage of check valve adjusting, and keeps balance with outside atmosphere.Thereby ink outlet port produces the phenomenon of ink leak when having avoided effectively changing ink-jet printer cartridge, has also avoided printhead because of bearing the generation of the excessive phenomenon that is damaged of ink pressure effectively.
The drawing explanation
Fig. 1 the utility model ink-jet printer cartridge embodiment one STRUCTURE DECOMPOSITION schematic diagram.
Fig. 2 the utility model ink-jet printer cartridge embodiment one box body structure schematic diagram.
Fig. 3 the utility model ink-jet printer cartridge embodiment one box body perspective view.
Fig. 4 the utility model ink-jet printer cartridge embodiment one box body structure schematic diagram.
Fig. 5 the utility model ink-jet printer cartridge embodiment one box body back-projected chart.
Fig. 6 the utility model ink-jet printer cartridge embodiment two box body structure schematic diagrames.
Fig. 7 the utility model ink-jet printer cartridge composite valve embodiment one structural representation.
Fig. 8 the utility model ink-jet printer cartridge embodiment two pressure are adjusted schematic diagram.
Fig. 9 the utility model ink-jet printer cartridge composite valve embodiment two structural representations.
Figure 10 the utility model ink-jet printer cartridge embodiment three box body structure schematic diagrames.
Figure 11 the utility model ink-jet printer cartridge embodiment three pressure are adjusted schematic diagram.
Figure 12 the utility model ink-jet printer cartridge composite valve embodiment three structural representations.
Figure 13 the utility model ink-jet printer cartridge is adjusted schematic diagram one with composite valve embodiment three pressure.
Figure 14 the utility model ink-jet printer cartridge is adjusted schematic diagram two with composite valve embodiment three pressure
Figure 15 the utility model ink-jet printer cartridge illustrates one of its pressure adjustment process simultaneously with composite valve embodiment four structural representations.
Figure 16 the utility model ink-jet printer cartridge illustrates two of its pressure adjustment process simultaneously with composite valve embodiment four structural representations.
The specific embodiment
Referring to Fig. 1,2,3,4,5, the utility model ink-jet printer cartridge embodiment one, structurally it comprises box body 1 and lid 3.Direction among this embodiment is positioned at the state of the vertical bottommost of print cartridge as reference system with ink outlet port 114.Box body 1 comprises diapire 120 and the frame that is made of the sidewall perpendicular to diapire 120, its inner ink storage chamber 105 that forms.Constitute a complete print cartridge after box body 1 and lid 3 driving fits.Usually adopt the existing slit of hot melt film 2 its contact interfaces of sealing between box body 1 and the lid 3.Because the needs of processing technology, there are some fabrication holes usually in diapire 120 outer surfaces of box body 1, general diaphragm seal 5 these fabrication holes of sealing that adopt in the practical application.Be used for providing the ink outlet port 114 of ink just to be arranged at the sidewall of box body 1 to the printer ink-providing pin.Sealing ring 6 and seal film 7 and can satisfy seal request between ink outlet port 114 and the box body 1, and under the accumulating state ink outlet port 114 close requirement.On the sidewall of the box body 1 relative with ink outlet port 114, perhaps its position is higher than on the sidewall outer surface of ink storage chamber 105 ink inside liquid levels under user mode, offers snakelike groove 106.After these snakelike grooves 106 adopt diaphragm seal 4 welded closure, constitute the part of the air flue that is communicated with ink storage chamber 105 and outside atmosphere.
In this specific embodiment, box body 1 comprises the innner and outer frame 102,103 that the two-layer sidewall that has certain interval therebetween of being parallel to each other constitutes.Ink storage chamber 105 is promptly surrounded by the inside frame 102, diapire 120 and some dividing plates.Offer the cavity 101 that is used to install black liquid capacity check chip on outer rim 103 outer surfaces.On the sidewall of the box body 1 relative, offer the ink filling port 104 that is used for irritating China ink that runs through innner and outer frame 102,103 to ink storage chamber 105 with ink outlet port 114.Snakelike groove 106 1 ends communicate with atmosphere near ink filling port 104, and the other end communicates with the pore 107 that runs through innner and outer frame 102,103.Pore 107 is through through hole 108, and the air flue Z (shown in the dotted arrow, wherein dotted line is represented the gas flow circuit among Fig. 3, and arrow is represented the gas flow direction) along being surrounded by dividing plate is connected with cushion chamber 116.Cushion chamber 116 is surrounded by dividing plate, approaches ink outlet port 114 in its position of plummet direction.Can store black liquid or air in it, its plummet is communicated with ink storage chamber 105 by black road 115 to the bottom.Cushion chamber 116 can be the pressure of the ink in the print cartridge to ink-jet printer ink supply pin, substantially maintaining cushion chamber 116 is communicated with position to ink-jet printer ink supply pin and accepts in the pressure limit that ink column produced between the ink position with ink storage chamber 105, therefore, it has the stable function of the ink storage chamber 105 internal pressure state trends of adjusting.
In the inside frame 102 inside, surround two valve pockets 110,112 that are used to put check valve 81,82 by dividing plate.Valve pocket 110 bottoms are by its chamber wall breach 111, and the pipeline X (shown in the dotted arrow, wherein dotted line is represented ink pressure release circuit among Fig. 3,5, and arrow is represented the ink flow direction) through being surrounded by dividing plate is connected with ink outlet port 114 via through hole 113.Valve pocket 110 tops are communicated with air flue Z by the through hole 109 on its chamber wall.Check valve 81 is placed in the valve pocket 110 in the mode that its opening direction points to through hole 109.After the contact interface between box body 1 and the lid 3 is by hot melt film 2 sealings, obtains the connected state of ink outlet port 114 and ink storage chamber 105 or make it be in state of isolation by check valve 81 between through hole 109 and the breach 111.Valve pocket 112 is by the chamber wall breach 118 of one side, and the pipeline Y (shown in the dotted arrow, wherein dotted line is represented the ink travel line among Fig. 3, and arrow is represented the ink flow direction) through being surrounded by dividing plate is connected with ink storage chamber 105 via black road 115.Valve pocket 112 is by its opposite side, promptly be positioned at the chamber wall breach 119 on box body 1 diapire 120 outer surfaces, (shown in the dotted arrow, wherein dotted line is represented the ink travel line to the pipeline Y` that process is surrounded by dividing plate among Fig. 5, arrow is represented the ink flow direction), be connected with ink outlet port 114 via through hole 117.Check valve 82 is placed in the valve pocket 112 in the mode that its opening direction points to ink outlet port 114.After the sealed film 5 hot melts sealing of box body 1 sidewall, obtain the connected state of ink outlet port 114 and ink storage chamber 105 or make it be in state of isolation by check valve 82 between through hole 117 and the breach 118.
Referring to 1,2,3,4,5, during the assembling print cartridge, earlier check valve 81,82 is pressed into respectively in the valve pocket 110,112, sealing ring 6 is pressed in the ink outlet port 114.Afterwards with welding manner with molten respectively frame 103 frames that are welded in of diaphragm seal 2,4,5,7 along the surface at snakelike groove 106 places on, the frame 103, diapire 120 outer surfaces and ink outlet port 114 openings of box body 1.Add upper box cover 3 subsequently.Pour into ink at last in ink storage chamber 105, sealing ink filling port 104 is promptly finished the print cartridge assembling.
When print cartridge is installed, the ink supply pin inserts in the ink outlet port 114, insert the pressure augmenting portion in the ink outlet port 114 cause by the ink supply pin, carrying by ink and to pass through through hole 113, breach 111, flow through check valve 81, cross through hole 109, import among the air flue Z along pressure release circuit X, pleasant road Z finally flows into cushion chamber 116, incorporates in the ink storage chamber 105.On the other hand, because the blocking effect of check valve 82, the ink that ink outlet port 114 internal pressures increase can not be along the lower semisection Y` of ink feed pipeline, and promptly check valve 82 to the part of ink outlet port 114 is passed through in the check valve 82 reverse inflow ink storage chambers 105.
During work, because the ink supply pin inserts the pressure oscillation synchronization gain release that moment causes, therefore, check valve 81 is closed immediately voluntarily, and pressure release circuit X is blocked, and ink can not flow along this circuit.Consumption along with ink, ink outlet port 114 internal pressures progressively reduce, it is poor to form positive pressure between ink storage chamber 105 and ink outlet port 114 inner chambers, force check valve 82 to be opened, ink feed circuit Y+Y` between ink storage chamber 105 and ink outlet port 114 inner chambers is unimpeded immediately, the ink of ink storage chamber 105 enters ink outlet port 114 inner chambers, finishes ink feed.After reaching new pressure balance between ink storage chamber 105 and ink outlet port 114 inner chambers, check valve 82 relies on self elasticity to close voluntarily.So, finish the basic procedure of an ink feed.Print procedure subsequently will repeat above-mentioned ink feed behavior, the ink in exhausting ink storage chamber 105 between ink storage chamber 105 and ink outlet port 114 inner chambers.
Referring to Fig. 6,8, the utility model ink-jet printer cartridge embodiment two is simultaneously with reference to the used composite valve embodiment one (Fig. 7) of this embodiment.Direction among this embodiment is positioned at the state of box body 9 vertical bottommosts of print cartridge as reference system with ink outlet port 905.Print cartridge box body 9 has the ink storage chamber that is used for splendid attire ink 9,020 902 that is surrounded by box wall 906.Sealing ring 905 is placed in and is used in the ink outlet port 905 of ink-jet printer ink supply pin ink supply.On print cartridge box body 9 sidewalls relative with ink outlet port 905, perhaps its position exceeds on print cartridge box body 9 sidewalls of ink 9020 liquid levels in the ink storage chamber 902, is provided with the passage 901 that is used to keep ink storage chamber 902 and outside atmosphere balance.
The valve seat of composite valve 903 is provided with the ink supply aperture 9034 that is connected with the ink outlet port 905 of ink-jet printer cartridge, the ink feeder 9031 and the relief hole 9035 that are connected with the ink storage chamber 902 of ink-jet printer cartridge.Composite valve 903 is provided with two spools 9032,9036 that place the valve base cavity of composite valve 903.Ink flow circuits d1 (seeing Fig. 7,8) along the ink feeder 9031 of composite valve 903 to the ink supply aperture 9034 of composite valve 903, the spool 9032 of composite valve 903 is pressed against ink feeder 9031 in the face of on the sidewall of ink supply aperture 9034, to close ink supply aperture 9034 by spring 9033.Perhaps the spool 9032 of composite valve 903 is by the pressure differential of 905 of ink-jet printer cartridge ink storage chamber 902 and ink outlet ports, is pulled to break away from the sidewall that ink feeder 9031 is faced ink supply aperture 9034, to open ink supply aperture 9034.Ink flow circuits d2 along the relief hole 9035 of composite valve 903 to ink-jet printer cartridge ink storage chamber 902 is (referring to Fig. 7,8), the spool 9036 of composite valve 903 is pressed against relief hole 9035 in the face of on the sidewall of ink-jet printer cartridge ink storage chamber 902 by spring 9037, to close relief hole 9035, perhaps the pressure reduction of the spool 9036 of composite valve by 905 of ink-jet printer cartridge ink storage chamber 902 and ink outlet ports is pulled and breaks away from the sidewall of relief hole 9035 in the face of the ink-jet printer cartridge ink storage chamber, to open relief hole 9035, make the ink pressures that increase in the ink outlet port 905 by relief hole 9035 and the outer hole 9038 that is communicated with ink storage chamber 902 to ink storage chamber 902 releases.
Referring to Figure 10,11, the utility model ink-jet printer cartridge embodiment three is simultaneously with reference to the used composite valve embodiment two (Fig. 9) of this embodiment.The reference system of this embodiment and ink-jet printer cartridge embodiment two and primary structure are all basic identical, for example, direction among this embodiment still is positioned at the state of box body 10 vertical bottommosts of print cartridge as reference system with ink-jet printer cartridge ink outlet port 1013, ink-jet printer cartridge box body 10 is provided with the passage 1011 that makes ink storage chamber 1014 and atmosphere keep balance, ink-jet printer cartridge box body 10 has the ink storage chamber that is used for the splendid attire ink 1014 that is surrounded by the box wall, and sealing ring 1012 is placed in and is used in the ink outlet port 1013 of ink-jet printer ink supply pin ink supply.Its difference only is that the respective members of composite valve 1015 structures and ink-jet printer cartridge embodiment two there are differences.
The valve seat of composite valve 1015 is provided with ink feeder 10155 and the ink supply aperture 10152 that is interconnected.The spool 10156 of composite valve 1015 is arranged in the valve base cavity 10157 of composite valve 1015, and ink feeder 10155 and ink supply aperture 10152 are cut off.The spool 10156 of composite valve 1015 is by the elastic material of rubber and so on, and it is provided with ink supply port 10151 and pressure relief opening 10154.Under the pressure differential effect between ink-jet printer cartridge ink storage chamber 1014 and the ink outlet port 1013, the spool 10156 of composite valve 1015 is in ink supply port 10151 to be communicated with the state of ink-jet printer cartridge ink storage chamber 1014 and ink outlet port 1013, perhaps is in to be overlayed on the inner boss 10153 that is provided with of the valve seat of composite valve and the state that is blocked.State is corresponding therewith, the spool 10156 of composite valve is corresponding to be in pressure relief opening 10154 to be overlayed on the inner boss 10150 that is provided with of the valve seat of composite valve and the state that is blocked perhaps is in the state that is communicated with ink-jet printer cartridge ink storage chamber 1014 and ink outlet port 1013.In both processes of alternately opening or closing of ink supply port 10151 on spool 10156 and pressure relief opening 10154, ink flows into ink storage chamber 1014 and ink outlet port 1013 along circuit shown in Figure 11 dotted arrow o2, the o1 respectively.Structurally, in view of the technological feasibility requirement, composite valve 1015 comprises two valve seats up and down.The periphery of spool 10156 is fixed after being fastened clamping mutually by the edge of the close valve base cavity 10157 of two valve seats.
The structure of the utility model composite valve embodiment one, two sees also the description of relative section among the ink-jet printer cartridge embodiment two, three.
Referring to Figure 12,13,14, the utility model composite valve embodiment three, the valve seat 1106 of composite valve 11 are provided with ink feeder 1107, relief hole 1108, ink supply aperture 1101 and the fluid passage 1104 that is interconnected.Ink supply aperture 1101 is communicated with the ink outlet port of ink-jet printer cartridge.Ink feeder 1107 and relief hole 1108 all are communicated with the ink storage chamber of ink-jet printer cartridge.Relief hole 1108 at the valve seat 1106 of composite valve 11 on the sidewall between ink feeder 1107 and the ink supply aperture 1101.The spool 1103 of composite valve 11 is mounted slidably in valve seat 1106 inner chambers of composite valve.On the direction that ink flows in perpendicular to relief hole 1108, spring 1102,1105 is distributed on the same straight line of valve seat 1106 inner chambers of composite valve 11 in turn.The end in contact that spool 1103 two ends of composite valve 11 are relative with this two springs 1102,1105 respectively, be subjected to the immixture of pressure reduction between the ink storage chamber of its elastic force and ink-jet printer cartridge and the ink outlet port, on above-mentioned direction, slide, make relief hole 1108 be in the state that is communicated with or blocks ink-jet printer cartridge ink storage chamber and ink outlet port.State correspondence therewith, the spool 1103 of composite valve 11 is corresponding to make fluid passages 1104 be in the states of blocking-up ink feeder 1107 and ink-jet printer cartridge ink outlet port, or is communicated with the state of ink feeders 1107 and ink-jet printer cartridge ink outlet port by ink supply aperture 1101.In the process that both alternately open or close at ink feeder 1107 and relief hole 1108, ink flows along circuit shown in Figure 12,13 dotted arrow a1, the a2, enter the ink storage chamber of ink-jet printer cartridge by relief hole 1108, perhaps enter the ink outlet port of ink-jet printer cartridge by ink feeder 1107.
Referring to Figure 15,16, the utility model composite valve embodiment four, the valve seat 1205 of composite valve 12 are provided with the separate two-way China ink road 1204,1201 that ink flow path and ink-jet printer cartridge ink storage chamber and ink outlet port by ink-jet printer cartridge all are communicated with.The spool of composite valve, be the elastic valve plate 1206 that is positioned at the port setting of black road 1204 sensing ink-jet printer cartridge ink storage chambers at the valve seat 1205 of composite valve, and be positioned at the elastic valve plate 1203 that black road 1201 points to the port setting of ink-jet printer cartridge ink outlet ports at the valve seat of composite valve.Wherein, black road 1201 is communicated with the ink-jet printer cartridge ink storage chamber by the through hole of offering on the elastic valve plate 1,206 1207.In the ink-jet printer cartridge ink storage chamber and under the ink pressure difference effect in the ink outlet port, elastic valve plate 1206 is in black road 1204 and opens or closed condition, therewith state synchronized accordingly, elastic valve plate 1203 is in black road 1201 and closes or opening.In the process that both alternately open or close in black road 1204,1201, ink flows into ink-jet printer cartridge ink storage chamber or ink-jet printer cartridge ink outlet port along circuit shown in Figure 15,16 dotted arrow w1, the w2 respectively.
Claims (11)
1. ink-jet printer cartridge composite valve, described ink-jet printer cartridge comprises ink storage chamber, the ink flow path of ink outlet port and described ink storage chamber of connection and described ink outlet port, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat that it is characterized in that described composite valve is provided with the ink feeder (9031) that is interconnected, relief hole (9035) and ink supply aperture (9034), described ink supply aperture (9034) is communicated with the ink outlet port of described ink-jet printer cartridge, described ink feeder (9031) and relief hole (9035) all are communicated with the ink storage chamber of described ink-jet printer cartridge, the spool of described composite valve is arranged in the valve base cavity of described composite valve, its quantity is two (9032,9036), the spool of described composite valve (9032) is overlayed in the side of described ink feeder (9031) towards described ink supply aperture (9034) by spring (9033), and the spool of described composite valve (9036) overlays a side in described relief hole (9035) towards described ink-jet printer cartridge ink storage chamber by spring (9037).
2. ink-jet printer cartridge composite valve, described ink-jet printer cartridge comprises ink storage chamber, the ink flow path of ink outlet port and described ink storage chamber of connection and described ink outlet port, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat that it is characterized in that described composite valve is provided with ink feeder (10155) and the ink supply aperture (10152) that is interconnected, the spool of described composite valve is arranged in the valve base cavity of described composite valve, and with described ink feeder (10155) and described ink supply aperture (10152) partition, it is by elastic material, the spool of described composite valve is provided with ink supply port (10151) and pressure relief opening (10154), be provided with boss (10153) with the corresponding described valve base cavity in described ink supply port (10151) position, be provided with boss (10150) with the corresponding described valve base cavity in described pressure relief opening (10154) position.
3. ink-jet printer cartridge composite valve, described ink-jet printer cartridge comprises ink storage chamber, the ink flow path of ink outlet port and described ink storage chamber of connection and described ink outlet port, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat that it is characterized in that described composite valve is provided with the ink feeder (1107) that is interconnected, relief hole (1108), ink supply aperture (1101) and fluid passage (1104), described ink supply aperture (1101) is communicated with the ink outlet port of described ink-jet printer cartridge, described ink feeder (1107) and relief hole (1108) all are communicated with the ink storage chamber of described ink-jet printer cartridge, described relief hole (1108) is positioned at the valve seat of described composite valve on the sidewall between described ink feeder (1107) and the ink supply aperture (1101), the spool of described composite valve is mounted slidably in the valve base cavity of described composite valve, and described fluid passage (1104) is to be positioned at described composite valve valve base cavity with respect to the surface of described relief hole (1108) and the groove that extends along described composite valve spool glide direction.
4. ink-jet printer cartridge composite valve, described ink-jet printer cartridge comprises ink storage chamber, the ink flow path of ink outlet port and described ink storage chamber of connection and described ink outlet port, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat that it is characterized in that described composite valve is provided with the separate two-way China ink road (1204 that ink flow path and described ink-jet printer cartridge ink storage chamber and ink outlet port by described ink-jet printer cartridge all are communicated with, 1201), the spool of described composite valve is the elastic valve plate (1206) that is positioned at the port setting of the described ink-jet printer cartridge ink storage chamber of described black road (1204) sensing at the valve seat of described composite valve, and is positioned at the elastic valve plate (1203) that described black road (1201) points to the port setting of described ink-jet printer cartridge ink outlet port at the valve seat of described composite valve.
5. ink-jet printer cartridge, comprise ink storage chamber, ink outlet port, the ink flow path of valve and described ink storage chamber of connection and described ink outlet port, it is characterized in that described valve is a composite valve, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat of described composite valve is provided with the ink feeder (9031) that is interconnected, relief hole (9035) and ink supply aperture (9034), described ink supply aperture (9034) is communicated with the ink outlet port of described ink-jet printer cartridge, described ink feeder (9031) and relief hole (9035) all are communicated with the ink storage chamber of described ink-jet printer cartridge, the spool of described composite valve is arranged in the valve base cavity of described composite valve, its quantity is two (9032,9036), the spool of described composite valve (9032) is overlayed in the side of described ink feeder (9031) towards described ink supply aperture (9034) by spring (9033), and the spool of described composite valve (9036) overlays a side in described relief hole (9035) towards described ink-jet printer cartridge ink storage chamber by spring (9037).
6. ink-jet printer cartridge, comprise ink storage chamber, ink outlet port, the ink flow path of valve and described ink storage chamber of connection and described ink outlet port, it is characterized in that described valve is a composite valve, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat of described composite valve is provided with ink feeder (10155) and the ink supply aperture (10152) that is interconnected, the spool of described composite valve is arranged in the valve base cavity of described composite valve, and with described ink feeder (10155) and described ink supply aperture (10152) partition, it is by elastic material, the spool of described composite valve is provided with ink supply port (10151) and pressure relief opening (10154), be provided with boss (10153) with the corresponding described valve base cavity in described ink supply port (10151) position, be provided with boss (10150) with the corresponding described valve base cavity in described pressure relief opening (10154) position.
7. ink-jet printer cartridge, comprise ink storage chamber, ink outlet port, the ink flow path of valve and described ink storage chamber of connection and described ink outlet port, it is characterized in that described valve is a composite valve, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat of described composite valve is provided with the ink feeder (1107) that is interconnected, relief hole (1108), ink supply aperture (1101) and fluid passage (1104), described ink supply aperture (1101) is communicated with the ink outlet port of described ink-jet printer cartridge, described ink feeder (1107) and relief hole (1108) all are communicated with the ink storage chamber of described ink-jet printer cartridge, described relief hole (1108) is positioned at the valve seat of described composite valve on the sidewall between described ink feeder (1107) and the ink supply aperture (1101), the spool of described composite valve is mounted slidably in the valve base cavity of described composite valve, and described fluid passage (1104) is to be positioned at described composite valve valve base cavity with respect to the surface of described relief hole (1108) and the groove that extends along described composite valve spool glide direction.
8. ink-jet printer cartridge, comprise ink storage chamber, ink outlet port, the ink flow path of valve and described ink storage chamber of connection and described ink outlet port, it is characterized in that described valve is a composite valve, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, the valve seat of described composite valve is provided with the separate two-way China ink road (1204 that ink flow path and described ink-jet printer cartridge ink storage chamber and ink outlet port by described ink-jet printer cartridge all are communicated with, 1201), the spool of described composite valve is the elastic valve plate (1206) that is positioned at the port setting of the described ink-jet printer cartridge ink storage chamber of described black road (1204) sensing at the valve seat of described composite valve, and is positioned at the elastic valve plate (1203) that described black road (1201) points to the port setting of described ink-jet printer cartridge ink outlet port at the valve seat of described composite valve.
9. ink-jet printer cartridge, comprise ink storage chamber, ink outlet port, the ink flow path of valve and described ink storage chamber of connection and described ink outlet port, it is characterized in that described valve is a composite valve, described composite valve is connected with described ink flow path, described composite valve comprises valve seat and spool, described ink-jet printer cartridge ink storage chamber is communicated with outside atmosphere by air flue, the valve seat of described composite valve is provided with the separate two-way China ink road that ink flow path and described ink-jet printer cartridge ink storage chamber and ink outlet port by described ink-jet printer cartridge all are communicated with, the spool of described composite valve is a check valve that is arranged in the described black road, each road, and the opening direction of the check valve in the described two-way China ink road is opposite.
10. ink-jet printer cartridge according to claim 9, it is characterized in that being in when a pressure differential between described ink-jet printer cartridge ink storage chamber and ink outlet port in the check valve in the described two-way China ink road is first predetermined value state that is communicated with described ink-jet printer cartridge ink storage chamber and ink outlet port, another is in closed condition, the check valve that is in the state that is communicated with described ink-jet printer cartridge ink storage chamber and ink outlet port when the pressure differential between described ink-jet printer cartridge ink storage chamber and ink outlet port was first predetermined value in the described two-way China ink road when pressure differential between described ink-jet printer cartridge ink storage chamber and ink outlet port was second predetermined value is in closed condition, and described another is in the state that is communicated with described ink storage chamber and described ink outlet port.
11. ink-jet printer cartridge according to claim 10 is characterized in that the black road that is in the check valve place of opening when pressure in described ink-jet printer cartridge ink outlet port is greater than described ink-jet printer cartridge ink storage chamber internal pressure is communicated with described air flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136728 CN2900167Y (en) | 2005-11-24 | 2005-11-24 | Ink jet printer ink box and its composite valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136728 CN2900167Y (en) | 2005-11-24 | 2005-11-24 | Ink jet printer ink box and its composite valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2900167Y true CN2900167Y (en) | 2007-05-16 |
Family
ID=38084333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520136728 Expired - Fee Related CN2900167Y (en) | 2005-11-24 | 2005-11-24 | Ink jet printer ink box and its composite valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2900167Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274899A (en) * | 2018-03-23 | 2018-07-13 | 郑州华美彩印纸品有限公司 | A kind of anti-blocking print cartridge of vacuum |
| CN110077119A (en) * | 2019-05-20 | 2019-08-02 | 黄春燕 | A kind of environment-friendly type ink-feeding device |
| CN111002718A (en) * | 2019-12-10 | 2020-04-14 | 晋传华 | Ink box pressure regulating device |
| CN111546780A (en) * | 2020-05-15 | 2020-08-18 | 扬州兆森电子科技有限公司 | Backflow-preventing printing ink head for printer |
-
2005
- 2005-11-24 CN CN 200520136728 patent/CN2900167Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274899A (en) * | 2018-03-23 | 2018-07-13 | 郑州华美彩印纸品有限公司 | A kind of anti-blocking print cartridge of vacuum |
| CN110077119A (en) * | 2019-05-20 | 2019-08-02 | 黄春燕 | A kind of environment-friendly type ink-feeding device |
| CN111002718A (en) * | 2019-12-10 | 2020-04-14 | 晋传华 | Ink box pressure regulating device |
| CN111546780A (en) * | 2020-05-15 | 2020-08-18 | 扬州兆森电子科技有限公司 | Backflow-preventing printing ink head for printer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7219986B2 (en) | Ink cartridge for ink-jet printer | |
| CN1733489B (en) | Ink cartridge and method of regulating fluid flow | |
| CN201049541Y (en) | Ink-jet printer cartridge | |
| CA2469450A1 (en) | Ink cartridge for ink jet recording device | |
| CN2900167Y (en) | Ink jet printer ink box and its composite valve | |
| TWI296577B (en) | Ink cartridge and method of regulating fluid flow | |
| CN2905439Y (en) | Ink cartridge for ink jet printer and its pressure balance valve | |
| EP1837186B1 (en) | Ink cartridge for inkjet printer | |
| JP2008195081A (en) | Ink cartridge for inkjet recording device | |
| EP2136997B1 (en) | Fluid cartridge for a fluid supply system | |
| CN2875810Y (en) | Ink box for ink jet printing machine | |
| EP1757454A1 (en) | Ink cartridge for printer | |
| EP1785277A2 (en) | Ink cartridge for ink-jet printer | |
| CN2759782Y (en) | Ink cartridge for ink-jet printer | |
| CN217993896U (en) | Ink box | |
| CN2905441Y (en) | Ink cartridge for ink-jet printer | |
| CN201530175U (en) | Back pressure ink box | |
| WO2003037634A1 (en) | An ink cartridge for a printer | |
| CN2900171Y (en) | Ink box of ink jet printer | |
| CN2931115Y (en) | Ink-jet printer cartridge | |
| JP5706119B2 (en) | Ink car ridge | |
| CN2910574Y (en) | Ink cartridge of ink-jet printer and check valve thereof | |
| CN2900168Y (en) | Ink box for ink jet printer | |
| CN100537245C (en) | Guide ink structure for continuous ink supply system | |
| US20070091128A1 (en) | Ink cartridge for printer |
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 |