CN100467277C - Liquid container and liquid filling method - Google Patents
Liquid container and liquid filling method Download PDFInfo
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- CN100467277C CN100467277C CNB200610067023XA CN200610067023A CN100467277C CN 100467277 C CN100467277 C CN 100467277C CN B200610067023X A CNB200610067023X A CN B200610067023XA CN 200610067023 A CN200610067023 A CN 200610067023A CN 100467277 C CN100467277 C CN 100467277C
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Abstract
A liquid container includes: a container body attachable to a container attachment portion of an apparatus side; a liquid chamber, provided in the container body, for accommodating a liquid therein; a liquid supply hole connectable to a liquid receiving portion of the apparatus side; a liquid leading path for leading the liquid stored in the liquid chamber to the liquid supply hole; an air open hole for introducing outside air into the liquid chamber as the liquid in the liquid chamber is consumed; pressure regulating means, provided in a portion of the liquid leading path, for regulating a pressure of the liquid to be supplied to the liquid receiving portion through the liquid supply hole and hindering a reverse flow of the liquid from the liquid supply hole to the liquid chamber; a first bypass path for causing first and second liquid leading passages of the liquid leading path, provided respectively before and after the pressure regulating means, to communicate with each other; and a first bypass blocking portion capable of blocking the bypass path.
Description
Technical field
The present invention relates to the open liquid container of air and with the liquid filling method of this liquid container filling liquid, this liquid container is suitable for as the print cartridge that for example is attached to ink-jet printer.
Background technology
The example of liquid container is included in the print cartridge that uses in the ink-jet printer.The print cartridge that is used for ink-jet printer has the ink chamber that is arranged on container body, is used to hold the ink that will be fed to printhead.During use, print cartridge can removably assemble and be attached in the box attaching part in the pre-position.The ink that is contained in the ink chamber is supplied to according to the printhead that print data drove that sends from main frame, and is ejected on the target location such as the print media of paper by being arranged on nozzle on the printhead.
The open print cartridge of air as being attached on the ink-jet printer has proposed such structure in different places, and it comprises: container body can be attached to the ink receiving unit of printer side; Be used to hold the ink chamber of ink; The ink receiving unit of the box attaching part of printer side is arranged to be communicated with ink chamber and can be connected in the ink feed hole; The ink path of navigation, the ink that is used for being stored in ink chamber is directed to the ink feed hole; Pressure-regulating device is arranged in the part of ink path of navigation and is used for regulating the pressure that is fed to the ink of ink receiving unit by the ink feed hole; With the air open channel, be used to make ink chamber and external communications, extraneous air is introduced in the ink chamber during ink in consuming ink chamber thus.
For a kind of like this print cartridge, a kind of liquid filling method has been proposed, promptly in container body, form the special jet orifice that is communicated with ink chamber in advance, and by using this jet orifice with ink chamber's filling ink (referring to for example patent documentation 1).
Patent documentation 1:JP-A-2004-216866
Patent documentation 2:JP-A-2005-22257
Because it is following former thereby be provided for the special jet orifice of filling ink.
In aforesaid print cartridge, two holes (being air open bore and ink feed hole) are set so that ink chamber and external communications.But neither one is suitable for injecting ink in these two holes.In other words, the air open bore has very little channel diameter or cross-sectional area usually, and has alternating bending labyrinth repeatedly, thereby even can prevent that also ink from easily leaking when vibrating box etc. in use.For this reason, can't make ink flow through the air open bore fast.And, when the ink that is obstructed becomes dry later on, also have the original function of air open bore owing to stop up the possibility of deterioration.On the other hand, the channel diameter in ink feed hole or cross-sectional area can be set for greater than the air open bore, are communicated with ink chamber but pressure-regulating device is arranged in the ink path of navigation so that ink feed hole.Because having function as check-valves, pressure-regulating device is used to prevent backflow, so be difficult to use the ink feed hole that ink is filled in the ink chamber from ink feed hole side to ink chamber.
But, in the structure that special jet orifice is provided with as mentioned above, after finishing the ink filling step, must comprise the step of the jet orifice of sealed open by pasting diaphragm seal.The step in jet of sealed hole causes the manufacturing step of print cartridge to increase.As a result, increased cost or reduced productivity ratio.
And, when jet orifice is set, might the user diaphragm seal in jet of sealed hole be peeled off by mistake, cause for example disadvantage of ink leakage and so on thus.
In addition, print cartridge can be provided with the ink detection device in the part of the upstream of ink path of navigation and pressure-regulating device.In the case, the ink detection device can be configured to make the piezoelectric oscillator vibration, and detects the state that the ink in the ink path of navigation is replaced by air by the variation of for example oscillating characteristic.Utilize this ink detection device, air enter in the ink chamber that the ink path of navigation is considered to be in print cartridge the ink full consumption and from the air open bore be incorporated into that the ink that occurs when air the ink chamber enters the ink path of navigation is thus used up or ink near using up.Can utilize the detection signal that sends from the ink detection device to show that ink remaining amount and notice change the box time.
But, under the situation that the ink detection device is set, such possibility is arranged, do not arrive ink detection device in this part that is arranged on the ink path of navigation if promptly be filled into ink in the ink chamber by special jet orifice, then when bringing into use the ink detection device can be because air remains in the ink path of navigation from ink chamber to the ink detection device error detection.
Summary of the invention
Therefore, an object of the present invention is to provide and do not need liquid container and the liquid filling method of special liquid hand-hole the liquid chamber filling ink.
Another object of the present invention provide can be reliably with ink filling liquid path of navigation and the not liquid container of residual air and liquid filling method therein.
Another object of the present invention provides the higher liquid container and the liquid filling method of injection pressure that can make liquid.
(1) a kind of liquid container according to explanatory and non-limiting embodiment comprises: container body, and it can be attached to the container attaching part of device side; Liquid chamber, it is arranged in the described container body, is used for receiving fluids therein; The liquid supply orifice, it can be connected to the liquid receiving unit of described device side; The liquid path of navigation is used for the liquid that described liquid chamber is stored is directed to described liquid supply orifice; The air open bore is used for when described liquid chamber liquid-consumed extraneous air being introduced in the described liquid chamber; Pressure-regulating device, it is arranged in the part of described liquid path of navigation, is used to regulate the pressure that is fed to the liquid of described liquid receiving unit by described liquid supply orifice, and hinders the backflow of liquid from described liquid supply orifice to described liquid chamber; First bypass path, the first liquid guiding channel and the second liquid guiding channel that are used for making described liquid path of navigation lay respectively at described pressure-regulating device front and back communicate with each other; Block part with first bypass, it can block described bypass path.
According to liquid container with this structure, because the first and second liquid guiding channels that are positioned at before and after the pressure-regulating device communicate with each other by bypass path, even, also liquid can be injected liquid chamber from the liquid supply orifice reposefully via bypass path so have at pressure-regulating device under the situation of check-valves function.More specifically, can adopt the liquid filling method that injects liquid from the liquid supply orifice, thereby with liquid filling liquid chamber.
So, special liquid hand-hole needn't be set in container body come with liquid filling liquid chamber.And, do not need special liquid hand-hole.Therefore, after filling liquid, need not to seal the specially treated of this liquid hand-hole, thereby can reduce cost and improve productive rate by reducing manufacturing step.In addition, do not need special liquid hand-hole.As a result, can eliminate that user mistake is peeled off diaphragm seal and the possibility that causes liquid to leak from the special liquid hand-hole.
(2) as (1) described liquid container in, preferably this liquid container also comprises air chamber, it is arranged on described liquid chamber is connected in the part of path of described air open bore, is used for capturing therein and storage of liquids.
According to liquid container with this structure, even under the situation that the air in liquid chamber expands owing to variations in temperature etc., also can with reverse flow to the liquid trap of air open bore in air chamber.
(3) as (1) or (2) described liquid container in, preferably: described container body comprises resin-case that can form rectangular shape roughly and the diaphragm seal that is welded to a surface of described resin-case; And described first bypass path comprises the passage recessed portion, and described passage recessed portion is formed in the described surface of described resin-case and has open surfaces by described diaphragm seal sealing.
According to liquid container, can easily form first bypass path with this structure.
(4) according to a kind of liquid filling method of explanatory and non-limiting embodiment, be used for as (1) to (3) each described liquid container, and may further comprise the steps: by described liquid chamber pressure inside being reduced to predetermined pressure from described air open bore suction; By described liquid supply orifice predetermined amount of liquid is filled in the described liquid chamber; And block described first bypass path.
According to liquid filling method, can easily and reliably predetermined amount of liquid be filled in the liquid chamber by the liquid supply orifice with this feature.As a result, needn't form special liquid hand-hole, and save the step that seals this special liquid hand-hole.So,, can reduce cost and improve productive rate by reducing manufacturing step.
In addition, compare with situation about doing, can prevent that liquid from flowing into the aspirator side the coupling part of aspirator with liquid supply orifice wherein.So, can prevent the pollution and the maintenance and management aspirator easily of aspirator.
(5) preferably, also comprise as (1) or (2) described liquid container: liquid-detecting, it is arranged in the part of described liquid path of navigation and in the upstream of described pressure-regulating device, is used for detecting described liquid chamber and whether has liquid.
According to the liquid container with this structure, the liquid that injects from the liquid supply orifice is through first bypass path and via liquid-detecting influent chamber.Therefore, air does not remain in the liquid guiding channel of the liquid path of navigation that lays respectively at the liquid-detecting front and back, and this just can not make the liquid-detecting error detection owing to air when liquid container is brought into use remains in these liquid guiding channels.
(6) as (5) described liquid container in, preferably: described container body comprises resin-case that can form rectangular shape roughly and the diaphragm seal that is welded to a surface of described resin-case; In the described first liquid guiding channel and the second liquid guiding channel each comprises the passage recessed portion, and described passage recessed portion is formed in the described surface of described resin-case and has open surfaces by described diaphragm seal sealing; By described diaphragm seal is stayed as welding portion not at least a portion of the welding region of described resin-case, and between described resin-case and described diaphragm seal, limit described first bypass path; And the described not welding portion that blocks part as described first bypass can be subjected to soldering to block described bypass path.
According to the liquid container with this structure, resin-case does not need to be provided with the passage recessed portion that is used to form first bypass path.In addition, resin-case does not need to be provided with special entity such as open/closed valve and is used as bypass and blocks part.As a result, can simplify the structure of resin-case, and further can improve resin-case formability and can reduce cost.And, can easily block first bypass and block part by soldering.
(7) as (5) or (6) described liquid container in, preferably described liquid-detecting comprises: the chamber, it is the space that is communicated with described liquid path of navigation; Oscillating plate, it forms the inner wall surface in described chamber; And actuator, it makes described vibration plate vibrates.The vibrational waveform that described liquid-detecting can change corresponding to whether liquid in the described chamber exists based on described oscillating plate detects whether there is liquid in the described chamber.
According to liquid container with this structure, enter at air under the situation of liquid-detecting, can be fast variation by vibration characteristics detect gas and enter, and the liquid that can accurately detect in the liquid chamber has not had.When bubble was sneaked in the chamber undesirably, such liquid-detecting detects liquid mistakenly not to have been had.So, use such liquid-detecting in conjunction with the liquid container that can liquid be filled in the liquid path of navigation that is provided with this liquid-detecting reliably, make and can improve accuracy of detection.
(8) preferably, also comprise vent, be used to make described liquid chamber and external communications as each described liquid container in (5) to (7).Described vent can be used for reducing the pressure in the described liquid chamber.
For with liquid filling liquid chamber, liquid chamber is connected to aspirator in advance, and is arranged to the subnormal ambient be scheduled to thus.According to the liquid container with this structure, vent can be as the part that aspirator was connected to.Compare as the situation of the part that aspirator was connected to liquid supply orifice wherein, can prevent that liquid from flowing into the aspirator side.As a result, can eliminate the pollution and the maintenance and management aspirator easily of aspirator.
Compare as the situation of the part that aspirator was connected to air open bore wherein, can set the bore dia or the cross-sectional area of vent by expectation, thereby can more effectively in liquid chamber, aspirate.
(9) according to a kind of liquid filling method of explanatory and non-limiting embodiment, be used for as (5) to (7) each described liquid container, and may further comprise the steps: by described liquid chamber pressure inside being reduced to predetermined pressure from described air open bore suction; By described liquid supply orifice predetermined amount of liquid is filled in the described liquid chamber; And block described first bypass path.
According to liquid filling method with this feature, from the liquid supply orifice inject and through the liquid of first bypass path via liquid-detecting influent chamber.Therefore, air does not remain in the liquid guiding channel of the liquid path of navigation that lays respectively at the liquid-detecting front and back, and this just can not make the liquid-detecting error detection owing to air when bringing into use remains in these liquid guiding channels.
(10) according to a kind of liquid filling method of explanatory and non-limiting embodiment, be used for as (8) described liquid container, and may further comprise the steps: seal described air open bore; By described liquid chamber pressure inside being reduced to predetermined pressure from described vent suction; By described liquid supply orifice predetermined amount of liquid is filled in the described liquid chamber; And block described first bypass path.
According to liquid filling method with this feature, compare as the situation of the part that aspirator was connected to liquid supply orifice wherein, can prevent that liquid from flowing into the aspirator side.As a result, can eliminate the pollution and the maintenance and management aspirator easily of aspirator.
Compare as the situation of the part that aspirator was connected to air open bore wherein, can set the bore dia or the cross-sectional area of vent by expectation, thereby can more effectively in liquid chamber, aspirate.
(11) preferably, also comprise as (5) described liquid container: second bypass path, the 3rd liquid guiding channel and the 4th liquid guiding channel that are used for making described liquid path of navigation lay respectively at described liquid-detecting front and back communicate with each other, or are used to make described the 3rd liquid guiding channel of described liquid path of navigation directly to be communicated with described liquid chamber; Part is blocked in second bypass, and it can block described second bypass path.
In having the liquid container of this structure, a part of liquid can inject liquid chamber under the situation of liquid-detecting inside.Therefore, can when injecting liquid, not apply big pressure to liquid-detecting.In other words, can increase the injection pressure of liquid, inject required cycle time and reduced cost thereby shortened liquid.
In addition, second bypass path can be difficult to inject the position opening of liquid in liquid chamber, thereby liquid can be reliably and easily injected and be filled into this position.
(12) as (11) described liquid container in, preferably: described container body comprises resin-case that can form rectangular shape roughly and the diaphragm seal that is welded to a surface of described resin-case; And described first bypass path and second bypass path comprise the passage recessed portion respectively, and described passage recessed portion is formed in the described surface of described resin-case and has open surfaces by same described diaphragm seal sealing.
According to liquid container, can easily form second bypass path with this structure.
(13) as (12) described liquid container in, preferably being positioned at the described pressure-regulating device described second liquid guiding channel afterwards is the same liquid guiding channel of described liquid path of navigation with being positioned at described liquid-detecting described the 4th liquid guiding channel afterwards, described first bypass path is communicated with the described second liquid guiding channel, and described second bypass path is communicated with described the 4th liquid guiding channel.
According to liquid container with this structure, block the single step that part is subjected to soldering by first and second bypasses that make same liquid guiding channel place, can block first and second bypass paths easily.
(14) as (13) described liquid container in, be positioned at the described first liquid guiding channel before the described pressure-regulating device and be positioned at described the 3rd liquid guiding channel before the described liquid-detecting different liquids guiding channel that is described liquid path of navigation, described first bypass path is communicated with the described first liquid guiding channel, and described second bypass path is communicated with described the 3rd liquid guiding channel.
(15) preferably, also comprise as (11) described liquid container: air chamber, it is arranged on described liquid chamber is connected in the part of path of described air open bore, is used for capturing therein and storage of liquids; And vent, be used to make described liquid chamber and external communications.Described vent can be used for reducing the pressure in the described liquid chamber.
According to the liquid container with this structure, the situation that is set to liquid chamber with vent is wherein compared, and can reduce the possibility in the suction pump etc. that liquid flows into manufacturing equipment.In addition, because can set the bore dia or the cross-sectional area of vent,, can reduce the pressure in the liquid chamber effectively so compare with the situation that air open bore wherein is used to aspirate by expectation.
(16) according to a kind of liquid filling method of explanatory and non-limiting embodiment, be used for as (15) described liquid container, and may further comprise the steps: seal described air open bore; By described liquid chamber pressure inside being reduced to predetermined pressure from described vent suction; By described liquid supply orifice predetermined amount of liquid is filled in the described liquid chamber; And block described first bypass path and described second bypass path.
According to liquid filling method with this feature, compare as the situation of the part that aspirator was connected to liquid supply orifice wherein, can prevent that liquid from flowing into the aspirator side.So, can eliminate the pollution and the maintenance and management aspirator easily of aspirator.
Compare as the situation of the part that aspirator was connected to air open bore wherein, can set the bore dia or the cross-sectional area of vent by expectation, thereby can more effectively in liquid chamber, aspirate.
The disclosure relates to Japanese patent application No.2005-102874 (on March 31st, 2005 submitted) and the contained theme of No.2006-035571 (on February 13rd, 2006 submitted), its each quote by integral body and clearly be contained in this.
Description of drawings
Fig. 1 is the exploded perspective view that the print cartridge of liquid container first embodiment according to the present invention is shown.
Fig. 2 is the key-drawing that the welding region of diaphragm seal when forming first bypass path in print cartridge shown in Figure 1 is shown.
Fig. 3 is used for explaining the block diagram that ink is filled into the ink fill method of print cartridge shown in Figure 1.
Fig. 4 illustrates the flow chart that ink liquid is filled into the ink fill method in the print cartridge shown in Figure 1.
Fig. 5 is the key-drawing that the welding region of diaphragm seal when bypass path is blocked in print cartridge shown in Figure 1 is shown.
Fig. 6 is used for explaining the print cartridge of liquid container second embodiment according to the present invention and the block diagram that ink is filled into the ink fill method of this print cartridge.
Fig. 7 is the key-drawing that the welding region of diaphragm seal when forming first and second bypass paths in the print cartridge of liquid container the 3rd embodiment according to the present invention is shown.
Fig. 8 is used for explaining the block diagram that ink is filled into the ink fill method of print cartridge shown in Figure 7.
Fig. 9 is the key-drawing that the welding region of diaphragm seal when forming first bypass path in the print cartridge of liquid container the 4th embodiment according to the present invention is shown.
Figure 10 is used for explaining the block diagram that ink is filled into the ink fill method of print cartridge shown in Figure 9.
The specific embodiment
Describe in detail below with reference to the accompanying drawings according to the explanation of liquid container of the present invention and liquid filling method and non-limiting embodiment.
Fig. 1 is the exploded perspective view that the print cartridge of liquid container first embodiment according to the present invention is shown.Fig. 2 is the key-drawing that is illustrated in the welding region of the state lower seal film that forms first bypass path in the print cartridge shown in Figure 1.Fig. 3 is used for explaining the block diagram that ink is filled into the ink fill method of print cartridge shown in Figure 1.Fig. 4 illustrates the flow chart that ink is filled into the ink fill method in the print cartridge shown in Figure 1.Fig. 5 is the key-drawing that is illustrated in the welding region of the blocked state lower seal film of bypass path in the print cartridge shown in Figure 1.
The layout of each part shown in these accompanying drawings and structure can be changed rightly.
Print cartridge is the example of liquid container and the box attaching part that is arranged to be attached to carriage, printhead (liquid ejecting portion) has been installed on this carriage and is arranged in the ink-jet printer.
Be used for to printhead supply ink as the print cartridge 1 of first embodiment, and can be attached to the diaphragm seal 5 that container body 3 on the container attaching part (box attaching part) of device (ink-jet printer) is almost the resin-case 4 of cuboid by profile and is welded to the surface of resin-case 4 and form.Resin-case 4 is for example by one-body molded as the synthetic resin of polypropylene (PP) and so on, and diaphragm seal 5 is the resin moldings that are made of the material that can be thermally welded to resin-case 4.In the use of print cartridge 1, the outside of diaphragm seal 5 is covered by the capping that is used to protect.
As shown in figs. 1 and 3, container body 3 is provided with: the ink chamber's (liquid chamber) 11 that is used to hold ink; Ink feed hole (liquid supply orifice) 13, the box attaching ink receiving unit (liquid receiving unit) partly that can be connected to and be arranged in printer; Ink path of navigation (liquid path of navigation) 15 is used for the ink of ink chamber's 11 storages is directed to ink feed hole 13; With air open bore 17, be used for when the consumption of ink of ink chamber 11, extraneous air being incorporated in the ink chamber 11.In other words, print cartridge 1 is that air is open.
Ink path of navigation 15 comprises: the first ink guiding channel 15a that ink chamber 11 and ink detection device 21 are communicated with each other; The second ink guiding channel 15b that ink detection device 21 and pressure-regulating device 19 are communicated with each other; And the 3rd ink guiding channel 15c that pressure-regulating device 19 and ink feed hole 13 are communicated with each other.
In this embodiment, at least the second ink guiding channel 15b and the 3rd ink guiding channel 15c that are arranged in pressure-regulating device 19 front and back are formed with the passage recessed portion 16b and the 16c that are formed at 4 one surfaces of resin-case by diaphragm seal 5, and diaphragm seal 5 is welded to the open surfaces of a described surface of resin-case 4 with closed channel recessed portion 16b and 16c.Among the second ink guiding channel 15b and the 3rd ink guiding channel 15c each all has the square-section.
In this embodiment, the open surfaces of the recessed portion 12 that forms in a described surface of resin-case 4 makes ink chamber 11 have hermetically-sealed construction with diaphragm seal 5 sealings.
In this embodiment, be provided with first bypass path 23 and first bypass and block part 25, the former is used to make the second ink guiding channel 15b and the 3rd ink guiding channel 15c that are arranged in pressure-regulating device 19 front and back to communicate with each other, and the latter is used for first bypass path 23 and ink path of navigation 15 obstructions are come.
As shown in Figure 2, by the subregion A1 in the whole welding region (the shadow region A among Fig. 1 and 5) of 5 pairs of resin-cases 4 of diaphragm seal and A2 (referring to Fig. 2) being stayed, and between resin-case 4 and diaphragm seal 5, form first bypass path 23 as welding portion not.When welding portion A1 and A2 were not subjected to soldering as shown in Figure 5, first bypass path 23 was cut off and blocks with ink guiding channel 15b and 15c.
In other words, welding portion A1 and A2 do not block part 25 as first bypass.
In this embodiment, ink detection device 21 comprises: as the chamber 21a in the space that is communicated with ink path of navigation 15, actuator (piezoelectric unit) 21c that forms the oscillating plate 21b of chamber 21a inner wall surface and be used to make oscillating plate 21b vibration.Ink detection device 21 depends on the vibration characteristics (vibrational waveform) whether chamber 21a ink inside exist based on oscillating plate 21b to be changed, and detect with ink path of navigation 15 that chamber 21a is communicated with in whether ink is arranged.
As shown in Figure 3, when ink injection device 31 is connected to ink feed hole 13, filling ink in the ink chamber 11 of print cartridge 1 just.
Then with reference to figure 4, will the liquid filling method of filling ink in ink chamber 11 be described, this method is carried out after the ink feed hole 13 that ink injection device 31 is connected to print cartridge 1.
In the liquid filling method according to this embodiment, order execution in step S102 to S104 is with filling ink in ink chamber 11 as shown in Figure 4.
Initial step S102 be reduce ink chamber 11 by the vacuum draw that carries out from air open bore 17 internal pressure to have the vacuum draw step of predetermined pressure, this step is carried out by valve 42 of closing the ink supply unit 33 that is connected to ink feed hole 13 and the valve 47 of opening the vacuum suction apparatus 34 that is connected to air open bore 17.
Next procedure S103 is that the ink with scheduled volume is filled into the ink filling step (liquid filling step) in the ink chamber 11, and this step is carried out to ink feed hole 13 supply inks with beginning by valve 47 of closing vacuum suction apparatus 34 after the inside that ink chamber 11 is set has predetermined pressure and the valve 42 of opening ink supply unit 33.In this step, the ink that injects by ink feed hole 13 flows into ink detection device 21 by ink guiding channel 15c, first bypass path 23 and ink guiding channel 15b, makes chamber 21a filling ink.Then, ink flows into ink chamber 11 through the ink guiding channel 15a in ink detection device 21 upstream sides, makes ink chamber's 11 filling inks.
Next procedure S104 blocks step with first bypass path 23 and the bypass that ink path of navigation 15 blocks.First bypass path 23 is cut off and blocks with ink guiding channel 15b and 15c, makes the ink that flows to ink feed hole 13 from ink chamber 11 pass through pressure-regulating device 19 between the operating period reliably at print cartridge.Therefore, ink feed remains unchanged to the pressure in ink feed hole 13.
Execution is blocked step with first bypass path 23 and the bypass that ink guiding channel 15b and 15c block, and with diaphragm seal 29 sealing air open bore 17 (vacuum suction apparatus 34 is separated).
According to above-mentioned print cartridge 1, under the state that the ink guiding channel 15b that is positioned at pressure-regulating device 19 front and back and 15c communicate with each other by first bypass path 23, even have at pressure-regulating device 19 under the situation of check-valves function, ink also can 13 inject ink chamber 11 from the ink feed hole via first bypass path 23.
So, can adopt the liquid filling methods of 13 injection inks that ink is filled into ink chamber 11 from the ink feed hole.
So, special ink hand-hole needn't be set in container body 3 ink is filled in the ink chamber 11.Do not need special ink hand-hole.Therefore, can save the processing that after filling ink, seals this special inks hand-hole.As a result, manufacturing step can be reduced, also productive rate can be improved thereby can reduce cost.
Because do not need this special inks hand-hole, cause the possibility of ink leakage so can eliminate user mistake that the diaphragm seal of special inks hand-hole is peeled off.
By 13 injecting inks and carry out under the situation of the liquid filling method that ink is filled into ink chamber 11 from the ink feed hole, the ink by first bypass path 23 flows into ink chamber 11 via the ink detection device 21 that is arranged in first bypass path, 23 upstreams.Therefore, air does not remain in ink guiding channel 15a and the 15b that is arranged in ink detection device 21 front and back, and this just can not make ink detection device 21 error detection owing to air when print cartridge is brought into use remains among ink guiding channel 15a and the 15b.
In the print cartridge 1 according to this embodiment, the ink path of navigation 15 ink guiding channel 15b and the 15c that are positioned at pressure-regulating device 19 front and back formed by following at least: be formed on resin-case 4 lip-deep passage recessed portion 16b and 16c; And the diaphragm seal 5 that is welded to the open surfaces of this surface of resin-case 4 and closed channel recessed portion 16b and 16c.In addition, stay as not welding portion A1 and A2, and between resin-case 4 and diaphragm seal 5, form first bypass path 23 by part welding region with 5 pairs of resin-cases 4 of diaphragm seal.In addition, welding portion A1 and A2 are not subjected to soldering, and the bypass path 23 of winning can easily be blocked.
Utilize such structure, (a plurality of) that can be by only arranging diaphragm seal 5 are welding portion and be not exclusively used in the passage recess that forms first bypass path 23 in resin-case 4 and assign to be provided with first bypass path 23 not.And, needn't provide the special entity such as open/closed valve to come to block part 25 as bypass.Therefore, can simplify the structure of resin-case 4, and improve the formability of resin-case 4 and reduce cost.
And in the print cartridge 1 according to this embodiment, if the ink that exists among the chamber 21a of ink detection device 21 is replaced by air, then ink detection device 21 detects in the ink chamber 11 has not had ink.When having filled ink in the ink chamber 11, ink 13 injects ink chamber 11 by first bypass path 23 and ink detection device 21 from the ink feed hole.As a result, ink is filled in ink detection device 21 and the passage on every side reliably, and does not produce the bubble that may cause ink detection device 21 wrong detection.Therefore, improved the accuracy of detection of ink detection device 21.
Fig. 6 is the block diagram that is used to explain the ink fill method of the print cartridge 51 of liquid container second embodiment according to the present invention and this print cartridge 51.
In print cartridge shown in Figure 6 51, vent 53 is added to the structure according to the print cartridge 1 of first embodiment shown in Figure 3.
Carrying out following steps by order comes with ink filling ink cartridges 51.
Be arranged on sealed in advance the device 35 hermetic closed and temporarily sealings of air open bore 17 in the print cartridge 51.
At first, by carrying out the vacuum draw step like this: the valve 42 of closing the ink supply unit 33 that is connected to ink feed hole 13; Open the valve 47 of the vacuum suction apparatus 34 that is connected to vent 53; And reduce the internal pressure of ink chamber 11 to have predetermined pressure by carry out vacuum draw from vent 53.
Then, by carrying out ink filling step (liquid filling step) like this: the valve 47 of after the inner setting with ink chamber 11 becomes to have predetermined pressure, closing vacuum suction apparatus 34; Open the valve 42 of ink supply unit 33 and supply inks to ink feed hole 13 with beginning; And the ink of scheduled volume is filled in the ink chamber 11.
Subsequently, carry out step is blocked in first bypass path 23 and the bypass that ink path of navigation 15 blocks, and further will seal with the vent 53 usefulness diaphragm seals that vacuum suction apparatus 34 disconnects.And, with air open bore 17 usefulness diaphragm seals 29 sealings of sealed device 35 temporarily sealings.
In a kind of like this liquid filling method, the situation of Fig. 3 of the part that is connected to as vacuum suction apparatus 34 with air open bore wherein 17 is compared, and vent 53 can have than air open bore 17 simpler structures and can be configured to have desired bore dia or the cross-sectional area bigger than air open bore 17.As a result, can more effectively carry out vacuum draw in the ink chamber 11.
Fig. 7 is the view that the print cartridge 61 of liquid container the 3rd embodiment according to the present invention is shown, and its specific explanations diaphragm seal forms the welding region of first and second bypass paths.Fig. 8 is used for explaining the block diagram that ink is filled into the ink fill method of print cartridge 61 shown in Figure 7.
11 first 11a of ink chamber of ink chamber and the 3rd ink guiding channel 15c that second bypass path 24 among this embodiment will lay respectively at ink detection device 21 upstream sides and downstream (laying respectively at ink detection device 21 front and back) are connected to each other.Second bypass is blocked part 26 and is arranged to second bypass path 24 is blocked with the 3rd ink guiding channel 15c and first 11a of ink chamber.
Be similar to above-mentioned first bypass path 23, by the subregion B1 in the whole welding region of 5 pairs of resin-cases 4 of diaphragm seal and B2 being stayed, and between resin-case 4 and diaphragm seal 5, form second bypass path 24 as welding portion not.When welding portion B1 and B2 were not subjected to soldering, second bypass path 24 was cut off and blocks with the 3rd ink guiding channel 15c and first 11a of ink chamber.In other words, welding portion B1 and B2 do not block part 26 as second bypass.
Can use the ink injection device 31 that is connected to ink feed hole 13 as shown in Figure 8 to carry out following steps by order carries out ink is filled into method in the ink chamber 11 of print cartridge 61.
Be arranged on sealed in advance the device 35 hermetic closed and temporarily sealings of air open bore 17 in the print cartridge 61.
At first, by carrying out the vacuum draw step like this: the valve 42 of closing the ink supply unit 33 that is connected to ink feed hole 13; Open the valve 47 of the vacuum suction apparatus 34 that is connected to vent 28; And reduce the internal pressure of ink chamber 11 to have predetermined pressure by carry out vacuum draw from vent 28.
Then, by carrying out ink filling step (liquid filling step) like this: the valve 47 of after the inner setting with ink chamber 11 becomes to have predetermined pressure, closing vacuum suction apparatus 34; Open the valve 42 of ink supply unit 33 and supply inks to ink feed hole 13 with beginning; And the ink of scheduled volume is filled in the ink chamber 11.
Subsequently, carry out first bypass path 23 and second bypass path 24 are blocked step with the bypass that ink path of navigation 15 and ink chamber 11 block, and further will seal with the vent 28 usefulness diaphragm seals that vacuum suction apparatus 34 disconnects.And, with air open bore 17 usefulness diaphragm seals 29 sealings of sealed device 35 temporarily sealings.
According to above-mentioned print cartridge 61, a part of ink can just inject ink chamber 11 without the inside of ink detection device 21.Therefore, can prevent to act on the ink detection device 21 at ink big pressure of injection period.In other words, can correspondingly increase the ink injection pressure to shorten the cycle time that ink injects.As a result, can reduce cost.
Inject at the paint ink that may precipitate downwards under the situation of ink chamber 11, must be by ink chamber 11 be adopted labyrinth, for example ink chamber 11 is divided into a plurality of ink chamber (for example first 11a of ink chamber and second 11b of ink chamber), prevents a kind of so downward precipitation.In the print cartridge 61 of this embodiment, because first 11a of ink chamber that second bypass path, 24 openings are difficult to inject to ink, so ink can be easily and injected first 11a of ink chamber reliably.
In the print cartridge 61 of this embodiment, first bypass path 23 and second bypass path 24 are formed by passage recessed portion 16d and 16a and diaphragm seal 5, wherein passage recessed portion 16d and 16a form the open surfaces that diaphragm seal 5 is welded to this surface of resin-case 4 and seals these passage recessed portion 16d and 16a in the surface of the resin-case 4 of rectangular shape roughly.In addition, same diaphragm seal 5 also is used for open surfaces of closed channel recessed portion 16d and 16a or the like.So second bypass path 24 can easily form.
In this embodiment, first bypass path 23 and second bypass path 24 are arranged and constitute common flow channel (i.e. the 3rd ink guiding channel 15c), and it is communicated with the second ink guiding channel 15b that lays respectively at pressure-regulating device 19 upstream sides and ink detection device 21 upstream sides and first ink chamber's 11a fluid.
Can just easily block first bypass path 23 and second bypass path 24 through single treatment step according to print cartridge 61, the first bypasses obstruction part 25 with this spline structure and second bypass obstruction part 26.
Fig. 9 is the view that the print cartridge 71 of liquid container the 4th embodiment according to the present invention is shown, and its specific explanations diaphragm seal forms the welding region of first bypass path.Figure 10 is used for explaining the block diagram that ink is filled into the ink fill method of print cartridge 71 shown in Figure 9.
As shown in Figures 9 and 10, the container body 3 of print cartridge 71 is provided with: the ink chamber 11 that is used to hold ink; Ink feed hole 13; Be used for the ink of ink chamber's 11 storages is directed to the ink path of navigation 15 in ink feed hole 13; Be used for when the ink of consumption ink chamber 11, extraneous air being passed through the air open bore 17 that air chamber 27 is introduced in the ink chamber 11; And be arranged on pressure-regulating device 19 in the part of ink path of navigation 15, be used to regulate the pressure of ink that is fed to the ink receiving unit of printer by ink feed hole 13.
Ink path of navigation 15 comprises: the second ink guiding channel 15b that ink chamber 11 and pressure-regulating device 19 are communicated with each other; And the 3rd ink guiding channel 15c that pressure-regulating device 19 and ink feed hole 13 are communicated with each other.
As shown in Figure 9, by diaphragm seal 5 (referring to Fig. 1) is stayed as welding portion not the subregion A1 in the whole welding region of resin-case 4 and A2, and between resin-case 4 and diaphragm seal 5, form first bypass path 23 among this embodiment.When welding portion A1 and A2 were not subjected to soldering, first bypass path 23 was cut off and blocks with ink guiding channel 15b and 15c.In other words, welding portion A1 and A2 do not block part 25 as first bypass.
As shown in figure 10, when ink injection device 31 is connected to ink feed hole 13, just can be in the ink chamber 11 of print cartridge 71 filling ink.
Initial step be reduce ink chamber 11 by the vacuum draw that carries out from air open bore 17 internal pressure to have the vacuum draw step of predetermined pressure, this step is carried out by valve 42 of closing the ink supply unit 33 that is connected to ink feed hole 13 and the valve 47 of opening the vacuum suction apparatus 34 that is connected to air open bore 17.
Next procedure is that the ink with scheduled volume is filled into the ink filling step (liquid filling step) in the ink chamber 11, and this step is carried out to ink feed hole 13 supply inks with beginning by valve 47 of closing vacuum suction apparatus 34 after the inside that ink chamber 11 is set has predetermined pressure and the valve 42 of opening ink supply unit 33.In this step, the ink that injects by ink feed hole 13 flows into ink chamber 11 by ink guiding channel 15c, first bypass path 23 and ink guiding channel 15b, makes ink chamber's 11 filling inks.
At next procedure is that bypass is blocked in the step, and first bypass path 23 is cut off and blocks with ink guiding channel 15b and 15c, makes the ink that flows to ink feed hole 13 from ink chamber 11 pass through pressure-regulating device 19 between the operating period reliably at print cartridge.Therefore, ink feed remains unchanged to the pressure in ink feed hole 13.
Execution is blocked step with first bypass path 23 and the bypass that ink guiding channel 15b and 15c block, and with diaphragm seal 29 sealing air open bore 17 (vacuum suction apparatus 34 is separated).
According to above-mentioned print cartridge 71, under the state that the ink guiding channel 15b that is positioned at pressure-regulating device 19 front and back and 15c communicate with each other by first bypass path 23, even have at pressure-regulating device 19 under the situation of check-valves function, ink also can 13 inject ink chamber 11 from the ink feed hole via first bypass path 23.
So, can adopt the liquid filling methods of 13 injection inks that ink is filled into ink chamber 11 from the ink feed hole.
So, special ink hand-hole needn't be set in container body 3 ink is filled in the ink chamber 11.Do not need special ink hand-hole.Therefore, can save the processing that after filling ink, seals this special inks hand-hole.As a result, manufacturing step can be reduced, also productive rate can be improved thereby can reduce cost.
Because do not need this special inks hand-hole, cause the possibility of ink leakage so can eliminate user mistake that the diaphragm seal of special inks hand-hole is peeled off.
In the print cartridge 71 according to this embodiment, the ink path of navigation 15 ink guiding channel 15b and the 15c that are positioned at pressure-regulating device 19 front and back formed by following at least: be formed on resin-case 4 lip-deep passage recessed portion 16b and 16c; And be welded to the diaphragm seal 5 of this surface of resin-case 4 with the open surfaces of closed channel recessed portion 16b and 16c.In addition, stay as not welding portion A1 and A2, and between resin-case 4 and diaphragm seal 5, form first bypass path 23 by part welding region with 5 pairs of resin-cases 4 of diaphragm seal.In addition, welding portion A1 and A2 are not subjected to soldering, and the bypass path 23 of winning can easily be blocked.
Utilize such structure, (a plurality of) that can be by only arranging diaphragm seal 5 are welding portion and be not exclusively used in the passage recess that forms first bypass path 23 in resin-case 4 and assign to be provided with first bypass path 23 not.And, needn't provide the special entity such as open/closed valve to come to block part 25 as bypass.Therefore, can simplify the structure of resin-case 4, and improve the formability of resin-case 4 and reduce cost.
Use according to liquid container of the present invention is not limited to the print cartridge shown in the embodiment.For example, can be applied to such liquid injection device suitably according to liquid container of the present invention, this equipment has the container attaching part that liquid container can removably be attached to, and has fluid jetting head (liquid is fed to it from liquid container).The example of the fluid jetting head of liquid injection device comprise inkjet recording device fluid jetting head (printhead), be used to make the colour filtering manufacturing installation of LCD colour filtering the pigment shower nozzle, be used to form the electrode of OLED display or FED (Field Emission Display) electrode material (conducting resinl) shower nozzle, be used to make biochip biochip making equipment biological organic material shower nozzle and as the accurate sampling shower nozzle of pipette.
Claims (15)
1. liquid container comprises:
Container body, it can be attached to the container attaching part of device side;
Liquid chamber, it is arranged in the described container body, is used for receiving fluids therein;
The liquid supply orifice, it can be connected to the liquid receiving unit of described device side;
The liquid path of navigation is used for the liquid that described liquid chamber is stored is directed to described liquid supply orifice;
The air open bore is used for when described liquid chamber liquid-consumed extraneous air being introduced in the described liquid chamber;
Pressure-regulating device, it is arranged in the part of described liquid path of navigation, is used to regulate the pressure that is fed to the liquid of described liquid receiving unit by described liquid supply orifice, and hinders the backflow of liquid from described liquid supply orifice to described liquid chamber;
First bypass path, the first liquid guiding channel and the second liquid guiding channel that are used for making described liquid path of navigation lay respectively at described pressure-regulating device front and back communicate with each other; With
Part is blocked in first bypass, and it can block described first bypass path.
2. liquid container as claimed in claim 1 also comprises:
Air chamber, it is arranged on described liquid chamber is connected in the part of path of described air open bore, is used for capturing therein and storage of liquids.
3. liquid container as claimed in claim 1, wherein:
Described container body comprises resin-case and is welded to the diaphragm seal on a surface of described resin-case; And
Described first bypass path comprises the passage recessed portion, and described passage recessed portion is formed in the described surface of described resin-case and has open surfaces by described diaphragm seal sealing.
4. liquid container as claimed in claim 1 or 2 also comprises:
Liquid-detecting, it is arranged in the part of described liquid path of navigation and in the upstream of described pressure-regulating device, is used for detecting described liquid chamber and whether has liquid.
5. liquid container as claimed in claim 4, wherein:
Described container body comprises resin-case and is welded to the diaphragm seal on a surface of described resin-case;
In the described first liquid guiding channel and the second liquid guiding channel each comprises the passage recessed portion, and described passage recessed portion is formed in the described surface of described resin-case and has open surfaces by described diaphragm seal sealing;
By described diaphragm seal is stayed as welding portion not at least a portion of the welding region of described resin-case, and between described resin-case and described diaphragm seal, limit described first bypass path; And
The described not welding portion that blocks part as described first bypass can be subjected to soldering to block described first bypass path.
6. liquid container as claimed in claim 4, wherein said liquid-detecting comprises:
The chamber, it is the space that is communicated with described liquid path of navigation;
Oscillating plate, it forms the inner wall surface in described chamber; With
Actuator, it makes described vibration plate vibrates, and
Described liquid-detecting detects whether there is liquid in the described chamber based on the vibrational waveform that described oscillating plate changes corresponding to whether liquid in the described chamber exists.
7. liquid container as claimed in claim 4 also comprises:
Vent is used to make described liquid chamber and external communications, and described vent can be used for reducing the pressure in the described liquid chamber.
8. liquid container as claimed in claim 4 also comprises:
Second bypass path, the 3rd liquid guiding channel and the 4th liquid guiding channel that are used for making described liquid path of navigation lay respectively at described liquid-detecting front and back communicate with each other;
Part is blocked in second bypass, and it can block described second bypass path.
9. liquid container as claimed in claim 8, wherein:
Described container body comprises resin-case and is welded to the diaphragm seal on a surface of described resin-case; And
Described first bypass path and second bypass path comprise the passage recessed portion respectively, and described passage recessed portion is formed in the described surface of described resin-case and has open surfaces by same described diaphragm seal sealing.
10. liquid container as claimed in claim 9, wherein being positioned at the described pressure-regulating device described second liquid guiding channel afterwards is the same liquid guiding channel of described liquid path of navigation with being positioned at described liquid-detecting described the 4th liquid guiding channel afterwards, described first bypass path is communicated with the described second liquid guiding channel, and described second bypass path is communicated with described the 4th liquid guiding channel.
11. liquid container as claimed in claim 10, wherein be positioned at the described first liquid guiding channel before the described pressure-regulating device and be positioned at described the 3rd liquid guiding channel before the described liquid-detecting different liquids guiding channel that is described liquid path of navigation, described first bypass path is communicated with the described first liquid guiding channel, and described second bypass path is communicated with described the 3rd liquid guiding channel.
12. liquid container as claimed in claim 8 also comprises:
Air chamber, it is arranged on described liquid chamber is connected in the part of path of described air open bore, is used for capturing therein and storage of liquids;
Vent is used to make described liquid chamber and external communications, and described vent can be used for reducing the pressure in the described liquid chamber.
13. a liquid filling method is used for said method comprising the steps of as each described liquid container of claim 1 to 6:
By described liquid chamber pressure inside being reduced to predetermined pressure from described air open bore suction;
By described liquid supply orifice predetermined amount of liquid is filled in the described liquid chamber; And
Block described first bypass path.
14. a liquid filling method is used for liquid container as claimed in claim 7, said method comprising the steps of:
Seal described air open bore;
By described liquid chamber pressure inside being reduced to predetermined pressure from described vent suction;
By described liquid supply orifice predetermined amount of liquid is filled in the described liquid chamber; And
Block described first bypass path.
15. a liquid filling method is used for liquid container as claimed in claim 12, said method comprising the steps of:
Seal described air open bore;
By described liquid chamber pressure inside being reduced to predetermined pressure from described vent suction;
By described liquid supply orifice predetermined amount of liquid is filled in the described liquid chamber; And
Block described first bypass path and described second bypass path.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005102874 | 2005-03-31 | ||
| JP2005102874 | 2005-03-31 | ||
| JP2006035571 | 2006-02-13 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100056345A Division CN101474915A (en) | 2005-03-31 | 2006-03-31 | Liquid container and liquid filling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1840350A CN1840350A (en) | 2006-10-04 |
| CN100467277C true CN100467277C (en) | 2009-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610067023XA Active CN100467277C (en) | 2005-03-31 | 2006-03-31 | Liquid container and liquid filling method |
| CNA2009100056345A Pending CN101474915A (en) | 2005-03-31 | 2006-03-31 | Liquid container and liquid filling method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100056345A Pending CN101474915A (en) | 2005-03-31 | 2006-03-31 | Liquid container and liquid filling method |
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| Country | Link |
|---|---|
| CN (2) | CN100467277C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615986A (en) * | 2011-01-26 | 2012-08-01 | 精工爱普生株式会社 | Liquid storage container mounted on liquid ejecting apparatus |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2033792A3 (en) * | 2007-09-10 | 2010-10-13 | Seiko Epson Corporation | Method of manufacturing liquid container and liquid container manufactured using the same |
| JP5938891B2 (en) * | 2011-12-20 | 2016-06-22 | セイコーエプソン株式会社 | Printing apparatus and liquid transfer method |
| JP6102150B2 (en) * | 2012-08-31 | 2017-03-29 | セイコーエプソン株式会社 | Method for manufacturing liquid container, liquid container |
| JP6221566B2 (en) * | 2013-09-26 | 2017-11-01 | セイコーエプソン株式会社 | Method for regenerating liquid container and liquid container |
| JP2015077731A (en) * | 2013-10-17 | 2015-04-23 | キヤノン株式会社 | Ink filling device and ink filling method |
| CN110039906B (en) * | 2019-06-17 | 2019-09-13 | 蒙娜丽莎集团股份有限公司 | A kind of ceramic ink jet machine adds black detection device and its application method |
-
2006
- 2006-03-31 CN CNB200610067023XA patent/CN100467277C/en active Active
- 2006-03-31 CN CNA2009100056345A patent/CN101474915A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615986A (en) * | 2011-01-26 | 2012-08-01 | 精工爱普生株式会社 | Liquid storage container mounted on liquid ejecting apparatus |
| CN102615986B (en) * | 2011-01-26 | 2015-05-27 | 精工爱普生株式会社 | Liquid storage container mounted on liquid ejecting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101474915A (en) | 2009-07-08 |
| CN1840350A (en) | 2006-10-04 |
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