CN1142064C - Ink cartridge and ink filling method and device thereof - Google Patents
Ink cartridge and ink filling method and device thereof Download PDFInfo
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- CN1142064C CN1142064C CNB011088915A CN01108891A CN1142064C CN 1142064 C CN1142064 C CN 1142064C CN B011088915 A CNB011088915 A CN B011088915A CN 01108891 A CN01108891 A CN 01108891A CN 1142064 C CN1142064 C CN 1142064C
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Abstract
The present invention relates to an ink box as well as a filling process and a device thereof. A valve body is arranged in an ink storage cavity of the ink box and comprises a supporting leg part. A supporting wall part slantways projects from the inner side of the supporting leg part. A supporting shoulder part is formed by bending from the supporting wall part to the inner side. A supporting head part projects from the supporting shoulder part and a central through hole is drilled on the supporting head part. A valve body sealing device blocks the central through hole. Thus, the valve body of the present invention can keep the ink liquid and effectively improve the printing quality. A sealing element arranged on the ink outlet comprises the integrated supporting part tightly matched with the ink outlet. A sealing ring section projects from the supporting part. During non-use state, the present invention has good sealing action.
Description
The present invention relates to a kind of Ink box device of inkjet printing machine equipment, specifically relate to a kind of Ink box device that utilizes check valve body control print cartridge to go out China ink and seal ink outlet port by a sealing ring portion and the integrated seal of a block.
The invention still further relates to a kind of to this check valve body of utilizing as the method and the filling apparatus that keep and control the Ink box device can China ink liquid of black liquid, specifically relate to and a kind ofly irritate black method and apparatus by positive and negative pressure differential respectively.
Usually all there are an Ink box device and printhead to connect in a kind of inkjet printing machine equipment.Printer is when carrying out print job, and requirement the most basic is that its Ink box device can be continuously and evenly go out China ink.At present, in the Ink box device of prior art, the method that its control of generally adopting goes out China ink is to utilize a kind of capillary attraction of porous body to store black liquid, for example sponge.Chinese patent CN1185379A (application number; 97121762.9) in such Ink box device is disclosed, as shown in Figure 1.The Ink box device 10 that discloses in the document, box body are separated into two chambers that are interconnected 12 and 15, are respectively applied for to store black liquid and place this porous body 14.Placing porous body 14 in box body 10, this structurally realizes easily, has occupied the useful space of print cartridge but its shortcoming is the existence of this porous body 14.In fact, the total amount of the stored black liquid of this prior art Ink box device generally is no more than 60%～65% of print cartridge total measurement (volume).In addition, adopt porous body 14 to control out the structure of China ink, always residual to the end the time have a certain amount of black liquid, can not be utilized well; Simultaneously, the cost of porous body 14 is also higher.
Among the american documentation literature US4677447, a kind of Ink box device 20 that utilizes check valve 22 structures to control out China ink is disclosed, as shown in Figure 2.Because one-way control valve 22 is arranged on outside the ink storage chamber 24, can make black liquid be full of whole chambers basically, has improved the total amount of black liquid effectively.Referring to Fig. 2, it is valve body 22 through hole 25 that back-off firmly is communicated with ink storage chamber 24 from ink guiding cavity 26 that utilizes a umbrella shape, so in assembling and using, can utilize this valve body 22 to keep the inking liquid earlier.When starting the printhead ink-jet, produce negative pressure in the ink guiding cavity 26.At this moment, valve body offsets downward because of the pressure differential at two ends, thereby allows black liquid to flow into from through hole 25 in the ink guiding cavity 26, has realized that so just valve body 22 provides black liquid to printhead continuously.But, the structure of this check valve 22 has been brought new problem technically again, i.e. starting stage of printing, because black liquid need arrive the printhead (not shown) through ink guiding cavity 26, make and be doped with a spot of air in the black liquid, and these a spot of air can Yin Wendu etc. environmental factor and changing, thereby can influence print quality.
In addition, the Ink box device for ink-jet printer is equipped with also need be provided with sealing ring at the ink outlet port of box body usually.The sealing ring of this prior art has only guaranteed to play good sealing function when the ink supply spicule inserts, and during in transportation or at non-working condition, the ink outlet port place also must be provided with a diaphragm seal.
For example, a kind of infundibulate sealing ring 100 is disclosed among the Chinese patent application CN1133784A, as shown in Figure 3, sealing circle 10 has a through hole 102, the hole, bottom of through hole 102 is little and topped hole is big, the big I of this through hole 102 is inserted the ink supply spicule 104 of ink-jet-type recording device, and flexibly is pressed on the outer circumference surface of this ink supply spicule 104.When ink supply spicule 104 inserted ink supply port, what sealing ring 100 stoped was that black hydrorrhea goes out box body, rather than stops black liquid to flow through ink supply spicule 104.The nearly ink outlet port of a termination that through hole 102 holes are little it is evident that this sealing ring 10 can play good sealing function, plays good sealing function when inserting but this sealing ring 100 also can only guarantee the ink supply spicule.Therefore, the sealing ring 100 of this prior art also must be provided with a diaphragm seal 106, and to prevent that black hydrorrhea goes out box body when transporting, it has increased manufacturing cost without doubt again.
U.S. Pat 5,790, in the 158 disclosed Ink box devices, the center of also having used has the sealing ring of through hole, " O " shape sealing ring 120 shown in Fig. 3 B.These sealing rings 120 all can play the better seal effect, but at transportation and non-working condition, it need be provided with a diaphragm seal 124 equally in the outside of chamber 122.
United States Patent (USP) 5,949,458 also disclose a kind of seal 130, and shown in Fig. 3 C, sealing part 130 has the film 132 that can be pierced.But seal 130 and thin-film body 132 are elastic component in this scheme, because film 132 has stronger toughness, thus when using, when this film 132 is pierced, effort relatively, even the phenomenon that can not be pierced appears.
For the producer, can large batch of production print cartridge and also be the factor of raising labour productivity and must consider with the can that canning means is easily finished black liquid.And in the Ink box device of prior art, the method that the common control of adopting goes out China ink is to utilize a kind of capillary attraction maintenance of porous material and control black liquid, as: cavernous body.U.S. Pat 5,280 discloses a kind of like this porous body Ink box device and ink filling method thereof in 299, as shown in Figure 4.Cavernous body 11 is placed in the print cartridge 10, and an end of print cartridge 10 is connected with printhead 13, and ink keeps and is contained in the porous body 11.The cavernous body that keeps ink by this way normally cuts into predetermined size to cavernous body; Afterwards, be hot pressed into predetermined compressive state; Again, put it into print cartridge.The cavernous body that provides like this needs to clean, in case influence print quality in the ink owing to impurity enters when it compresses; And after its drying, put into print cartridge again.
Fig. 5 is the flow chart of expression porous body print cartridge ink filling process.Step 1 (P1) provides cartridge case; Step 2 (P2) is put into print cartridge to porous body; Step 3 (P3) is sealed the admittance mouth of the cavernous body of print cartridge; Step 4 (P4) checks whether print cartridge leaks; Step 5 (P5), the pressure of minimizing print cartridge; Step 6 (P6), ink filling; Step 7 (P7) is removed unnecessary free ink in the container; Step 8 (P8), the sealing ink is dosed mouth.
The method of ink filling by this way, operation comparatively bothers; Simultaneously, in some cases, exist cavernous body and closely contact part and the space part is arranged with the print cartridge inwall.Obviously, also can there be ink among these gaps, be commonly called " free ink ".This free ink may spill from print cartridge.Therefore, after ink is dosed, the operation of removing free ink that need be shown in step 8.But free ink can always not appear at the fixed position in the print cartridge, and different print cartridges, and its position also can be different.Especially, always there is not the ink supply port place near ink filling in it, and may appear on the position away from ink supply port, in this case, obtain difficulty of free ink to be removed on the one hand, simultaneously, the ink that is kept in the cavernous body also may be removed a part, thus the variation that causes total amount of filling of ink and cavernous body ink inside to distribute.
The more important thing is that the operation of removing free ink is carried out at the printhead connecting portion of print cartridge often, in this case, the ink of being dosed in the porous body near the print cartridge connecting portion of printing head may be drawn out of with free ink.Like this, will when print cartridge is worked, disconnected black phenomenon occur, promptly can not cause the printer cisco unity malfunction to the printhead ink supply.
The porous body print cartridge as previously mentioned, comparatively bothers on the black operation of filling, and the operation of removing free ink simultaneously is comparatively complicated, wayward; Simultaneously, the porous body print cartridge has occupied a certain amount of space of print cartridge because of porous body self, and after having printed, the residual a certain amount of black liquid of federation in the porous body is so the effective black liquid supply of print cartridge itself is restricted, and the cost of porous body is also higher.
One object of the present invention is to propose a kind of Ink box device, can control the flow of black liquid easily by a check valve body, and can perhaps design ink guiding cavity enough little by in ink guiding cavity, reserving black liquid, effectively prevent the generation of bubble, guarantee to print continuously evenly.
Another purpose of the present invention is to propose a kind of check valve, by valve body is designed to stairstepping, makes the valve body of being made by elastomeric material be easy to produce deformation from shoulder.
Another object of the present invention is to provide a kind of Ink box device that seals ink outlet port by suitable sealing ring portion and block, it can directly play good sealing function when transportation, can under the print state that has the printing spicule to pass, play good sealing function again, thereby made things convenient for assembly process, more effectively reduced cost.
A further object of the present invention is to provide a kind of and irritates the method for China ink to the Ink box device that utilizes check valve body to keep and to control black liquid, and this method utilizes negative pressure with the gas sucking-off in the closed enclosure body cavity, and then can realize irritating China ink to print cartridge.
A further object of the present invention is to propose a kind of filling device for ink, and the utilization of this device is bled pin can be with the gas sucking-off in the box body, after reaching predetermined negative pressure value, can pour into the black liquid of scheduled volume in print cartridge.
A further object of the present invention is to propose a kind ofly to irritate the method for China ink to the Ink box device that utilizes check valve body to keep and to control black liquid, and this method is to utilize directly can China ink liquid in print cartridge of positive pressure source at normal temperatures.
The present invention is achieved by the following technical solution.
The Ink box device that a kind of printer apparatus is equipped with comprises
One box body, inside are provided with at least one cavity, are used to store black liquid, and wherein this box body comprises
At least one passage is used to make this cavity to be communicated with atmosphere;
At least one ink outlet port is arranged in the wall portion, is used for being communicated with the print needle of printer apparatus; With
At least one seal, this ink outlet port of shutoff is used to keep black liquid; And
At least one check valve body is used to control the flow of black liquid, and wherein, this at least one check valve body is arranged on the inside of this at least one cavity, and has been wholely set
One supports foot, contacts with the chamber wall sealing of this at least one ink outlet port;
One supporting walls portion supports the medial eminence of foot from this;
One supports shoulder, constitutes from this supporting walls portion is crooked to the inside;
One supporting head part supports the shoulder protuberance from this, and is penetrated with a central through hole; And
Described Ink box device also comprises a valve seal device, is used for the central through hole of this supporting head part of shutoff.
Ink box device of the present invention, wherein said supporting walls portion is from the described support foot protuberance that is inclined upwardly.
Ink box device of the present invention, wherein from the crooked to the inside described support shoulder of this inclined wall portion to lower recess, form a concave surface portion.
Ink box device of the present invention, wherein said supporting head part tilts to swell from described support shoulder.
Ink box device of the present invention, wherein said supporting head part central through hole is a conical through-hole.
Ink box device of the present invention, the inclination angle of wherein said supporting head part is greater than the inclination angle of described supporting walls portion.
Ink box device of the present invention, the thickness of wherein said support foot is greater than the wall thickness of described supporting head part; The wall thickness of this supporting head part is greater than the wall thickness of described support shoulder.
Ink box device of the present invention, wherein the wall portion that is communicated with described at least one ink outlet port is provided with at least one depressed part and is used to place described valve body.
Ink box device of the present invention, the diapire of wherein said recess walls portion is provided with a filter, is used for the impurity of filtering China ink liquid.
Ink box device of the present invention, wherein said valve seal device is pushed the described supporting head part of described check valve body downwards, is used to make described valve body to be in compressive state.
Ink box device of the present invention, wherein said passage place is provided with one and prevents black liquid leakage device.
Ink box device of the present invention wherein saidly prevents that black liquid leakage device from being that described ventilation hole wall is to the setting of described ink storage chamber projection.
Ink box device of the present invention is characterized in that, describedly prevents that black liquid leakage device from being the pipe fitting of passage inwardly protruding socket one bending, and the one end is connected with described passage, and the other end exposes liquid level.
Ink box device of the present invention wherein saidly prevents that black liquid leakage device from being one bag of shape spare, is arranged in the described ink storage chamber, comprises
One openend is used for being communicated with described passage; With
One micropore is arranged on described bag of shape spare wall portion.
Ink box device of the present invention, wherein said bag shape spare is a hollow ball.
Ink box device of the present invention, wherein said passage have a projection in described ink storage chamber body, and comprise a locking cap, are arranged to bowl-shapely, are used for fixing the described openend of described bag shape spare, have
One cavity is used for suitable with described protruding outer rim mutually;
One through hole is arranged on the bottom and aims at described passage setting; And
One shoulder is used for socket-connecting with the openend of described bag shape spare.
Ink box device of the present invention, the diapire of wherein said ink storage chamber is obliquely installed to described ink outlet port.
Ink box device of the present invention is provided with an ink guide tank at least on the described diapire of wherein said ink storage chamber, be used to guarantee ink supply.
Ink box device of the present invention, the described diapire of wherein said ink storage chamber is provided with jut, props up described bag shape spare.
Ink box device of the present invention, the described openend of wherein said bag shape spare be one with the suitable opening of box wall portion at described passage place, fix with the wall portion of described ink storage chamber.
Ink box device of the present invention, wherein said bag shape spare has some laminations.
Ink box device of the present invention, wherein said passage is identical with ambient atmos by the irregular gas port that is arranged in the described box wall portion.
Ink box device of the present invention, the part of wherein said gas port is arranged on box surface.
Ink box device of the present invention, the wherein said gas port that is arranged on box surface is coated with the air guide film.
Ink box device of the present invention also is provided with a through hole that is used for refilling in the wall portion of wherein said box body, be communicated with described ink storage chamber, and utilize the gambling of gag envelope.
Ink box device of the present invention, wherein said seal is arranged on the inside of described ink outlet port, and has been wholely set
One inside has the support portion of cavity, closely cooperates with the wall portion of described ink outlet port;
One sealing ring portion is swelled to the inside from described support portion;
One block, the sealing ring portion that forms with described protuberance matches; And
A junction is looped around between described sealing ring portion and the described block, is used to guarantee rupture when described block is subjected to a predetermined pressure.
Ink box device of the present invention, the end face of wherein said sealing ring portion from described support portion to centroclinal setting.
Ink box device of the present invention, the wall portion that cooperates with described seal of wherein said box body is provided with a circular groove, is used to be provided with the described support portion of described seal, and the inboard cell wall of this groove is used to strengthen rigidity against the end face of described sealing ring portion.
Ink box device of the present invention, wherein said connecting portion has different thickness.
Ink box device of the present invention, the thickness of wherein said connecting portion increases progressively to opposite side from a part of ring portion wherein.
Ink box device of the present invention is penetrated with an aspirating hole in the described wall portion of wherein said ink outlet port, is communicated with the upper chamber of described seal, and utilizes the plug sealing.
A kind of check valve body is used to control the flow of black liquid, and wherein this valve body comprises
One supports foot;
One supporting walls portion supports the medial eminence of foot from this;
One supports shoulder, constitutes from this supporting walls portion is crooked to the inside; And
One supporting head part supports the shoulder protuberance from this, and is penetrated with a central through hole.
Valve body of the present invention, wherein from the crooked to the inside described support shoulder of this supporting walls portion to lower recess, form a concave surface portion.
Valve body of the present invention, wherein said supporting head part tilts to swell from described support shoulder.
Valve body of the present invention, the thickness of wherein said support foot is greater than the wall thickness of described supporting head part; The wall thickness of this supporting head part is greater than the wall thickness of described support shoulder.
The packaging process of Ink box device of the present invention, wherein it comprises the following steps:
A) seal described Ink box device;
B) the described ink filling port at described print cartridge inserts an ink-filling needle;
C) utilize the described ink guiding cavity of the described print cartridge of a pressure source sucking-off and the gas in the box body cavity, make to form negative pressure in this cavity;
D) inject the ink of scheduled volume in the described print cartridge chamber.
Method of the present invention, wherein said step c) comprises following processing:
E) on the sidewall of described check valve body and the formed ink guiding cavity of described seal, run through an aspirating hole;
F) in this aspirating hole, insert the pin of bleeding.
Method of the present invention wherein also comprises following processing:
When g) gas in described box body reached scheduled volume, the pin of will bleeding pulled away from aspirating hole.
Device to Ink box device can China ink liquid of the present invention, wherein
Described Ink box device comprises
One passage is used to be communicated with box body cavity and ambient atmos;
One ink filling port utilizes the gag sealing;
One seal is arranged on ink outlet port, is used to keep black liquid;
One check valve body utilizes valve seal device envelope to gamble the through hole of its supporting head part, is arranged on this cavity diapire, and forms ink guiding cavity with described seal, is used for keeping and controlling black liquid; And
Described filling device for ink comprises
One ink tank;
One ink-filling needle inserts the described ink filling port of described Ink box device, is communicated with described ink tank by a pipeline;
One pneumatic supply; With
One pin of bleeding utilizes tracheae to be connected with described pneumatic supply, and wherein said filling device for ink also comprises
One hold down gag is used to seal the cap of described box body;
One volume control device comprises
One breather pipe is with described pipeline connection;
One ink barrel is with described pipeline connection; And
Two valve bodies are separately positioned between described volume control device and the described container and on the described pipeline between described volume control device and the described ink-filling needle.
The packaging process of Ink box device of the present invention wherein comprises in this Ink box device
One prevents black liquid leakage device, is arranged on the position of the described passage of described box body, and this method comprises the following steps:
A) the described ink filling port at described print cartridge inserts an ink-filling needle that is communicated with ink tank;
B) utilize positive pressure source to pass through the directly black liquid of perfusion scheduled volume in described print cartridge.
Packaging process of the present invention wherein also comprises following processing
C) on the sidewall of described check valve body and the formed ink guiding cavity of described seal, run through an aspirating hole;
D) pin of bleeding that is communicated with negative pressure source is inserted this aspirating hole;
E) utilize gas in the described ink guiding cavity of the described print cartridge of a negative pressure sucking-off, make described check valve body separate with described valve seal device, be used for drawing China ink to this ink guiding cavity because of pressure differential.
Method of the present invention, wherein it also comprises:
F) seal described ink filling port.
According to an aspect of the present invention, because the present invention forms an ink guiding cavity at the depressed part of valve body and diapire, and reserves black liquid in ink guiding cavity, thereby avoided the generation of bubble.
According to a further aspect of the invention, because it is little that the present invention simultaneously can design valve body and ink guiding cavity enough again, cleaning action when working by printer can be avoided the generation of bubble equally, thereby can be more widely applicable for the needs of different occasions.
According to a further aspect in the invention, check valve body of the present invention makes that the black liquid in the ink storage chamber can be full of ink guiding cavity at once, to the printhead continuous ink feeding owing to be subjected to can producing distortion once less pressure.Therefore valve body of the present invention can be applied in the pressure limit of a broad, so stronger to the adaptability of environment.The more important thing is, adopt valve body of the present invention, on the one hand the black liquid that is added can fully be utilized, improved the utilization rate of black liquid effectively; On the other hand, it has reduced the manufacturing cost of print cartridge simultaneously, and simplified and irritated black operation, and the controllability that has strengthened its operation.
In accordance with a further aspect of the present invention,, prevented that effectively black liquid from leaking, made things convenient for fill operations, helped utilization again Ink box device of the present invention to print cartridge because the present invention also is provided with a device for preventing leakage in passage.
According to a further aspect of the invention, because the present invention is suitable with the sealing ring portion by the block with adequate thickness, prevented that effectively what the sealing part was possible breaks in transportation or assembling process.
According to a further aspect of the invention, because the present invention is provided with the connecting portion that a thickness and width all are far smaller than block, both guaranteed that seal of the present invention can bear certain pressure, and guaranteed again when stressed, can rupture effectively simultaneously, and made the ink supply spicule waltz through.
In accordance with a further aspect of the present invention,, made things convenient for assembly work widely, reduced cost simultaneously again effectively because seal various piece of the present invention is the one design as support portion, sealing ring portion, block and connecting portion etc.
To make technique scheme of the present invention and characteristics and other advantage apparent below in conjunction with accompanying drawing by description to preferred embodiment of the present invention.Wherein:
Fig. 1 is a kind of cutaway view of Ink box device of prior art, shows the porous structure that is used to control out China ink that is provided with in ink storage chamber;
Fig. 2 is the cutaway view of the Ink box device of another prior art, shows the structure of utilizing a check valve body to keep black liquid;
Shown in Fig. 3 A is a kind of prior art Ink box device, shows a sealing ring that has a funnel type through hole, and a diaphragm seal covers the ink outlet port place;
Shown in Fig. 3 B is another kind of prior art Ink box device, and wherein seal is a round section joint ring, and the ink outlet port place is coated with a diaphragm seal;
Shown in Fig. 3 C is the Ink box device of another prior art, and wherein seal is to seal black liquid by the barrier film that the centre forms;
Shown in Figure 4 is keeps and controls the Ink box device of black liquid with porous body, has shown at residual surplus China ink between porous body and the ink storage chamber after the black liquid can;
Shown in Figure 5 is the can schematic flow sheet of Ink box device shown in Figure 4;
Fig. 6 is the longitudinal sectional view according to check valve body of the present invention, and what show a kind of stairstepping can be from the compressed valve body of shoulder;
Fig. 7 A is the Ink box device cutaway view of a preferred embodiment of the present invention, wherein is arranged on the interior check valve body of ink storage chamber by a valve seal device shutoff that is fixed on the wall of chamber;
Fig. 7 B is the working state schematic representation of the Ink box device shown in Fig. 7 A, and wherein check valve body pressurized rear center through hole separates with sealing device;
Fig. 8 is the Ink box device cutaway view of the another preferred embodiment of the present invention, and wherein a spring is used to accelerate valve body and resets upwards against check valve body;
Fig. 9 is the Ink box device cutaway view of the another preferred embodiment of the present invention, shows the valve seal device that a cylinder and has through hole valve body is fixed;
Figure 10 is the Ink box device cutaway view of the another preferred embodiment of the present invention, shows on the ink storage chamber roof an integrally formed cylindrical protrusion valve seal device and valve body are fixed, and the passage place is provided with a cavernous body and prevents that black liquid from leaking;
Figure 11 is the Ink box device cutaway view of the another preferred embodiment of the present invention, shows the passage place and is provided with a cylinder valve body device and prevents that black liquid from leaking;
Figure 12 A is the cutaway view that cylinder valve body device shown in Figure 11 amplifies;
Figure 12 B is the profile of cylinder shape valve in the cylinder valve body device shown in Figure 11;
Figure 13 is the Ink box device cutaway view of the another preferred embodiment of the present invention, shows the passage place and is provided with a spherical valve body device and prevents that black liquid from leaking;
Figure 14 is the cutaway view that spherical valve body device shown in Figure 13 amplifies;
Figure 15 is the Ink box device cutaway view of the another preferred embodiment of the present invention, shows the print cartridge diapire and is obliquely installed to guarantee the ink supply abundance to ink outlet port;
Figure 16 A is the Ink box device cutaway view of the another preferred embodiment of the present invention, shows the ink guide tank that is provided with on the print cartridge diapire that adopts spherical leak-proof device;
Figure 16 B is the structure cutaway view of the spheroid locking cap of leak-proof device shown in Figure 16 A, and this locking cap becomes hemispherical;
Figure 16 C is the structural representation of leak-proof device shown in Figure 16 A;
Figure 16 D is the schematical top view of leak-proof device shown in Figure 16 C;
Figure 16 E is the cutaway view that print cartridge of the present invention has adopted the preferred embodiment of leak-proof device shown in Figure 16 C, and diapire is provided with projection and is used for fixing this leak-proof device and roof and is provided with irregular labyrinth and is communicated with passage;
Figure 16 F is the top view of print cartridge shown in Figure 16 E, and wherein the air guide film is stamped in this top lining.
Figure 17 is the view that the another preferred embodiment of Ink box device of the present invention is cutd open, and wherein leak-proof device is a flexible bag shape spare;
Figure 18 A is the cutaway view of the another preferred embodiment of Ink box device of the present invention, and wherein leak-proof device is non-flexible bag shape spare;
Figure 18 B is the user mode schematic diagram of Figure 18 A illustrated embodiment, and wherein foldable layer is fully opened;
Figure 18 C is the top view of the shape spare of bag shown in Figure 18 A, has shown the slit that is arranged on this bag shape spare bottom;
Figure 19 A-E is other preferential embodiment of Figure 15 ink outlet port seal configuration;
Shown in Figure 20 A is first embodiment that is applied in the seal in the Ink box device of the present invention, shows from the support portion suitable until the sealing ring portion and a spherical block of protuberance;
Shown in Figure 20 B is the view of the seal shown in Figure 20 A when being passed by the ink supply pin;
Shown in Figure 21 A is another embodiment of block of the present invention, shows from the support portion suitable until the sealing ring portion and a cylindrical block of protuberance;
Shown in Figure 21 B is the view of the seal shown in Figure 21 A when being passed by the ink supply pin;
Shown in Figure 22 is another preferred embodiment of sealing ring portion of the present invention, and the end face that wherein seals ring portion to centroclinal, is used to make things convenient for block to break away from from connecting portion from the support portion;
Shown in Figure 23 A is a preferred embodiment that is wholely set connecting portion on seal of the present invention, and wherein this connecting portion has homogeneous thickness;
Shown in Figure 23 B is the another preferred embodiment of connecting portion of the present invention, and this connecting portion is used for guaranteeing when the ink supply spicule passes that block of the present invention is connected with the sealing ring portion by the part connecting portion from wherein the thinnest part progressive additive;
Shown in Figure 24 is the another preferred embodiment of seal of the present invention, and wherein the sealing ring portion is provided with the vertical wall suitable with the ink supply pin;
Shown in Figure 25 A～25B is the perspective view of Ink box device of the present invention, shows a packaging film that seals passage and ink outlet port simultaneously;
Shown in Figure 26 is to utilize the principle schematic of malleation method to an embodiment of Ink box device filling China ink of the present invention, and wherein the ink filling port of Ink box device is provided with up;
Shown in Figure 27 is utilizes the malleation method to irritate the principle schematic of the another embodiment of China ink to Ink box device of the present invention, and wherein the ink filling port of Ink box device is provided with after sealed down;
Shown in Figure 28 is to utilize the malleation method to irritate the black principle schematic of an embodiment again to Ink box device of the present invention, when the ink guiding cavity of Ink box device can save the negative pressure ventilation operation in enough hour;
Shown in Figure 29 is to utilize negative pressure to irritate the principle schematic of an embodiment of China ink to Ink box device of the present invention.
Hereinafter will describe the present invention in detail.
Please refer to the longitudinal sectional drawing shown in Fig. 7 A, is a preferred embodiment of Ink box device 40 of the present invention, shows the check valve body 30 that is arranged on ink storage chamber 402 inside of the present invention, is used for ink outlet port 404 and ink storage chamber 402 are isolated.
For the preferred embodiment of Ink box device of the present invention is described better, at first, referring to the longitudinal sectional drawing of of the present invention a kind of check valve body 30 shown in Figure 6.Check valve body 30 of the present invention adopts elastomeric material to make, and hardness is Shao Shi 30～40 degree, and its exterior contour roughly circularizes stepped.This valve body 30 comprises the support foot 310 of an annular, contacts with the sealing of chamber diapire; The annular support wall portion 322 of a protuberance, protuberance tilts from the inboard of supporting foot 310; One supports shoulder 324, constitutes from supporting walls portion 322 is crooked to the inside again; And a supporting head part 330, swell from supporting shoulder 324, and central part has through hole 332.
Simultaneously, even should consider that also valve body 30 is subjected to bigger negative pressure the time, the deformation quantity of this supporting head part 330 reduces as much as possible, and this is for the consideration to black flow quantity control on the one hand, is to consider that this supporting head part 330 should reset fast on the other hand.Therefore, more particularly, valve body 30 of the present invention be provided with support foot 3 10 thickness greater than the wall thickness that supports shoulder 324, and greater than the wall thickness of supporting head part 330.Be understood that easily, for making supporting head part 330 can respond a less negative pressure, the thickness of this support shoulder 324 should be arranged to the wall thickness less than supporting head part 330, and especially the thickness of bend 325 should be arranged to minimum, and is comparatively suitable between 0.15～0.5 millimeter usually.For the pressure reduction that valve body 30 of the present invention is subjected to changes and can disperse gradually, the present invention is obliquely installed supporting head part 330 again, and makes its inclination angle [theta]
1Inclination angle [theta] greater than supporting walls portion 322
2, in addition, it is the conical through-hole of bottom slightly larger in diameter that these through hole 332 preferred design become, as shown in Figure 6.
Certainly, various distortion can be arranged,, it can also be fixed on separately in the wall portion 410 as it being designed to the wall portion 410 integrated projections shown in Fig. 7 A for valve seal device 340 of the present invention.According to various needs, in the time of can proposing higher the requirement as stability to valve body 30, can also be at depressed part 408 arranged outside one hollow circuit cylinder bodily form valve seal device fixture 416, valve seal device 340 is cylinders that a periphery with cover has notch 418, as shown in Figure 9, make that valve body 30 of the present invention and sealing device 340 thereof are suitable fixing.Make ink guiding cavity 412 and ink storage chamber 402 when print cartridge is worked, keep black liquid supply unimpeded by notch 418.Simultaneously, valve body fixture of the present invention also can be the column rod 416 of print cartridge roof 410 place's one projections shown in Figure 10.
Referring to Fig. 7 A, the present invention is caved at valve body 30 and print cartridge diapire 406 and is formed an ink guiding cavity 412 between the depressed part 408 that is provided with, and diameter is slightly less than the diameter that supports foot 310.The present invention reserves black liquid in this chamber 412, make printing the incipient stage, and printhead can access sufficient black liquid.The ink supply pin 50 of printhead passes one and is arranged on the tubaeform seal 52 that ink outlet port 404 belows have film 58, and 404 of chamber 412 and ink outlet ports are full of black liquid.When print cartridge is worked, produce pressure differential in the ink guiding cavity 412, when this pressure reached the 120mm water column, the supporting head part 330 of valve body 30 moved down; Valve hole 332 separates with sealing device 340.Thereby black liquid can the direction shown in arrow among Fig. 7 B be full of whole ink guiding cavity 412, and continuously offers printhead 50.According to valve body 30 of the present invention, the pressure of its unlatching can be at-200～0mm water column, and preferred opening pressure is-150～-the 30mm water column.
When ink supply pin 50 stopped blotting, valve body 30 can lean on the elastic reset of itself, closes the ink supply channel.Come to this, valve body 30 of the present invention is being controlled the outflow that is stored in cavity 402 China and Mexico's liquid.
Without doubt, when using Ink box device, must on box body, offer passage, with the air pressure inside and outside the balance box body; Therefore, when print cartridge took off, residual surplus China ink can overflow by this passage in the box body.The present invention is provided with a through hole 414 on chamber wall 410, atmospheric pressure is applied on the liquid level, to finish the course of work to the printhead ink supply.Simultaneously in order to prevent that effectively print cartridge from taking off the issuable ink leak phenomenon of passage when being inverted, and in the present embodiment, directly prevents black liquid leakage with a flexible pipe 420 that extends to ink storage chamber 1/3 place.The present invention is provided with this passage 414 and also has the another one advantage to be, when black liquid is used up, can directly inject new black liquid in box body 40, and will it not take off from printing equipment and change.So Ink box device 40 of the present invention is very easy to the user, and has made full use of black liquid again owing to used valve body 30 of the present invention.
Simultaneously, in order to prevent that foreign matters such as possible bubble or impurity from entering print needle and influencing print quality, putting towards an end of box body inboard at ink outlet port has a metal filter screen 56.
Sensitive more for valve body 30 pressure are regulated, the present invention can also add a spring 54 in ink guiding cavity 412, be resisted against the support shoulder 324 of valve body 30, is used to guarantee that this valve body 30 in time resets, as shown in Figure 8.In the present embodiment, the present invention still considers that processing needs, and prevents that with a flexible pipe 420 that extends to ink storage chamber 1/3 place black liquid from leaking.
Simultaneously, the present invention also can directly be provided with passage 414 to the ink storage chamber inner process, approximately extend 1/3 place in the ink storage chamber, as shown in Figure 9.
Being preferably, in order to prevent that China ink liquid leaks when taking off print cartridge, according to a preferred embodiment of the present invention, is at passage 414 places one cavernous body 436 to be set, to receive black liquid, referring to Figure 10.
Be more preferably,,, realize, see also Figure 11 by one check valve 428 being set at passage 414 places according to another preferred embodiment of the present invention in order to prevent that China ink liquid leaks when taking off print cartridge.One block 424 that has opening 426 is welded to connect with valve body chamber 422, and a cylinder valve piece 428 that has skewed slot 430 is placed in the valve body chamber 422, and skewed slot 430 is held to the B end by the A of valve piece 428 and broadened gradually, shown in Figure 12 A-B.The A end size of valve piece 428 is greater than the diameter at passage 414 places, the B end size of valve piece 428 is less than the diameter of the opening 426 in valve body chamber 422, so both can keep ink storage chamber and outside air unimpeded, can guarantee again when print cartridge takes off inversion from printhead, but valve piece 428 shutoff passages 414 leak to prevent black liquid.Be appreciated that the present invention also need offer one especially at box wall 410 places and irritate black fabrication hole 440 so if being provided with check valve body 428 on passage 414 of the present invention leaks to prevent black liquid, and utilize stopper 438 to fill in wherein, as shown in figure 11.When utilizing Ink box device 40 of the present invention if desired again, can be by laying down stopper 438, and carry out fill operations easily.
What Figure 13 showed that the present invention is arranged on passage 414 places is used to prevent the check valve body 428 another preferred embodiments of leaking, and the schematic diagram of its amplification sees also Figure 14.Check valve piece 428 is arranged to a globe valve piece in this preferred embodiment, supports that by a shell fragment 434 that is fixed in the valve body chamber 422 this shell fragment 434 offers a through hole 432, can make passage 414 and ink storage chamber 402 air unimpeded.
Figure 15 is another preferred embodiment of the present invention.Print cartridge diapire 406 is provided with an inclination angle, tilt to ink outlet port 404 places, so that black liquid is guided to the ink outlet port place, valve body 30 and valve seal device 340 are placed in the depression 408, be formed with a step 442 on the sidewall of depression 408, valve seal device 340 tops are provided with through hole 418 and flange 344, and flange 344 is suitable fixing with step 442." U " shape pipe 422 is a stainless steel material, and an end is connected with passage 414, and the other end exposes liquid level after stretching into black liquid bending, is resisted against cover 410 to inboard outstanding holddown groove 446 inwalls that form of black sap cavity.The diapire of depression 408 is formed with a circular groove 444 near the ink outlet port place, and metal screen 56 is connected on the diapire of circular groove 444 by supersonic welding, prevents that bubble or other impurity from entering ink outlet port 404.The one-body molded seal 52 that has block 528 is sealed in ink outlet port 404 places.
In order to obtain stable black liquid supply, the pressure that puts on printhead is-200～0mm water column, be preferably in-30～-the 150mm water column.Valve body elastomeric material hardness is Shao Shi 25～65 degree, is preferably 30～55 degree.Optional elastomeric material comprises silicon rubber, butadiene-styrene rubber, butyl rubber, neoprene, polyurethane rubber, ethylene rubber etc.
In order to understand the present invention fully, the invention will be further described below in conjunction with accompanying drawing.
Referring to Figure 16 B, spheroid locking cap 490 is the bowl-type that has cavity 494, and the shoulder 492 of an annular is arranged, and the middle part is formed with a through hole 496.
Referring to Figure 16 A, Figure 16 C, Figure 16 D, passage 414 is arranged on the middle part of the top cover 410 of print cartridge 400, spheroid locking cap 490 is enclosed within the outer wall of passage 414 by its cavity 494, hollow ball 450 is socketed in shoulder 492 places of spheroid locking cap 490 by its opening 452, the through hole 496 and the passage 414 of spheroid locking cap 490 join, form the extension of passage 414, the sidewall diameter of spheroid 450 is that the pinprick of 0.12mm has a micropore 454, spheroid opening 452 diameters are 6 millimeters, the spheroid volume is 1.8 milliliters, the spheroid wall thickness is 0.1 millimeter, check valve body 330 is arranged on the contiguous ink outlet port of black sap cavity 404 places, valve seal covers the opening of 340 leakproof one-way valve bodies 330, valve seal lid 340 is provided with three notches 418, ink supply liquid flows into the valve body chamber of valve body 330 lower ends from black sap cavity, be in the ink guiding cavity 412, filtration through filter screen 56, thereby feed to ink outlet port 404, the diapire 406 of print cartridge 400 is provided with twice ink guide tank 470, be used to guarantee to provide sufficient black liquid to the ink outlet port place, especially when spheroid fully expands, when the spheroid diapire touches print cartridge bottom and may hinder black liquid supply, ink guide tank 470 can play the good China ink effect of leading, and guarantees that the ink outlet port place obtains sufficient black liquid supply.For the ease of in black sap cavity, irritating China ink, be provided with a pouring ink hole 440 on the right side of top cover 410, has irritated China ink after, stopper 438 seals these pouring ink holes 440.Be provided with a sealing ring 52 at ink outlet port 404 away from cover piece 410 places, the middle part of sealing ring 52 has been wholely set a block 528, and during printing, the print needle (not shown) backs down block 528, and black liquid is by the smooth and easy supply PRN device of print needle.
When print cartridge was in running order, with the continuous discharge of inking liquid, spheroid expanded gradually, and when spheroid expand into certain volume, the micropore of spheroid sidewall was opened, and gas make-up in print cartridge, is kept the pressure balance in the print cartridge, guaranteed to print smoothly; When printing stops, open micropore is airtight according to the elastic recovery of spheroid self, can prevent effectively that black liquid from flowing in the spheroid chamber, micropore has played the effect of a check valve to a certain extent, makes passage open or close according to printing needs selectively; Simultaneously when variation of ambient temperature, gas meeting Yin Wendu in the China ink sap cavity raises and expands, keep the pressure balance in the black sap cavity because the scalability of spheroid, the gas of these expansions can be extruded the gas in the spheroid that expands, thereby do not have the generation of ink leak phenomenon; Especially, when printing print cartridge to finish, the user abandons print cartridge, perhaps owing to other reason remains more black liquid when abandoning, being inverted may appear in print cartridge, at this moment, when environment temperature raises, be 14 milliliters of calculating with the volume of black sap cavity, even black sap cavity all is an air, according to glass horse law, temperature raises 30 when spending, and gas dilation volume is 1/10 of a raw-gas volume, so when environment temperature raises, gas is expanded to 1.4 milliliters at most, the expanding volume of spheroid is 1.8 milliliters, so during variations in temperature, the gas that holds in the spheroid chamber is enough to offset that Yin Wendu raises and the gas expanding volume that causes, when being the temperature rising, expanding gas is extruded the endoceliac gas of ball, thereby keeps the pressure balance in the black sap cavity, prevents the generation of ink leak phenomenon.
Shown in Figure 16 E is the preferred embodiments of the present invention, and in order to guarantee the supply of black liquid, present embodiment still is obliquely installed diapire 406 to ink outlet port 404.Because of spheroid 456 rises when big, may block the hole portion 418 on the seal cover 340, cause ink supply not smooth, so be preferably,, prevent its swing in order to maintain hollow ball 456, the present invention's diapire 406 is provided with projection 409, this spheroid 456.
Particularly, the present invention is provided with in described box wall portion 410 the irregular gas port 484,485 that resembles maze-like and 486 etc. is communicated with passage 414 and ambient atmos respectively.During work, the direction of replenish air is: air flows to hole 484 by gas port 486, flows in the spheroid 456 by air slot 485 again.This gas port 484-486 part is arranged on box surface, so the upper and lower surface of this irregular gas port 484,485 and 486 etc. is convenient to transportation, shown in Figure 16 F respectively by air guide film 491 and 495 sealings.Before the work, tear air guide film 495 off, it will be torn with the film 82 that covers the ink outlet port place.
Be more preferably, the wall portion that cooperates with described seal 52 of described box body 400 is provided with a circular groove 405, is used to be provided with the described support portion 520 of described seal, and the inboard cell wall 407 of this groove 405 is against the end face 524 of described sealing ring portion, be used to strengthen rigidity, so that pierce through.
Present embodiment has also been considered the fill operations operation simultaneously, is penetrated with an aspirating hole 470 in the described wall portion of described ink outlet port, is communicated with the upper chamber of described seal, and utilizes plug 472 sealings.
Figure 17 is another preferred embodiment of leak-proof device of the present invention, and this leak-proof device is a film pocket 480, is made up of elastomeric material, is connected in top cover 410 places of print cartridge 400 by its sack 481.The bottom of film pocket 480 has a micropore 484.The operation principle of present embodiment print cartridge and the operation principle that prevents ink leak are with the embodiment shown in Figure 16 A.
Figure 18 A, Figure 18 B are another embodiment of the present invention.With identical label represent with Figure 16 A in the identical parts of marking.Polybag 460 is made by non-elastic material, is the organ shape, and polybag 460 is fixedly connected on print cartridge top cover 410 places by its opening 462.Irritate black hole 440 and be located on the sidewall of box body 400, stopper 438 is used to irritate the sealing of China ink back, and this irritates black hole 440.During print cartridge work, black liquid is discharged from ink outlet port 404, and air constantly enters polybag 460 from passage 414, and it is stretched gradually, all opens until folding part 464.Organ shape polybag 460 has multilayer folding portion 464, and folding part 464 is used to increase the elasticity of bag 460.The opening 462 of organ shape polybag 460 is rectangle, and length is 47 millimeters, and wide is 14 millimeters, referring to Figure 18 C.If folding open fully after, black liquid has not been beaten yet, continues to print, and needs make-up gas to keep pressure balance in the black sap cavity, can offer an otch 468 on the diapire of bag 460.The operation principle of present embodiment print cartridge and prevent that the ink leak principle is with the embodiment shown in Figure 16 A.
Figure 19 A～E is other preferential embodiment of ink outlet port place seal.Among Figure 19 A, after a plastic foil 64 and a plastic ring 66 are welded and connected, be placed between two round section joint rings 62, to guarantee that plastic foil 64 firmly is connected with sealing ring 62.Among Figure 19 B, plastic foil 68 is sealed in the outside of ink outlet port in abutting connection with print needle.Among Figure 19 C, a wedge shape elastic sealing element 70 that has barrier film 72 is placed in ink outlet port 60 places.Among Figure 19 D, seal 74 is and covers shape.Among Figure 19 E, be equipped with steel ring 78 in the lid shape seal 76,, be convenient to print needle and penetrate to increase the rigidity of seal.
But be more preferably, the present invention has also designed and the close-fitting seal 52 of the ink outlet port (not shown) of Ink box device especially, shown in Figure 20 A, is used for the shutoff ink outlet port, keeps black liquid.Sealing part 52 at first is to be made by elastomeric material, and material hardness is about 30 °～50 ° of Shao Shi, and it comprises the following part of one-body molded design respectively: an inside has the support portion 520 of the annular of cavity 522, and the ink outlet port of its outer wall and print cartridge closely cooperates; One sealing ring portion 524, the 520 cavity protuberances to the inside from the support portion; One is arranged on the block 526 in centre, matches with the sealing ring portion 524 that protuberance forms basically; And a junction 528, be looped around between sealing ring portion 524 and the block 526.Should be appreciated that the thickness of this connecting portion 528 and thickness and the width that width all should be far smaller than block 526, to guarantee that this block 526 when having ink supply pin (not shown) to insert, can in time rupture.This shows that seal of the present invention 52 needs to guarantee that blocks 526 can bear certain pressure on the one hand, for example, on the other hand, make connecting portion 528 be easy to rupture again from the pressure or the pressure that causes of accident etc. of black liquid of keep.Therefore, the optimum value of the width of connecting portion 528 of the present invention should be 0～0.3mm; And the optimum value of its thickness should be 0.15～0.4mm.
In this preferred embodiment of the present invention, the sealing ring portion 524 be from the support portion 520 vertically the protuberance, promptly end face 525 is equal in bottom surface 525 '.It is evident that, when the ink supply pin 50 of printer inserts from cavity 522, can make connecting portion 528 at first rupture, thereby with block 526 jack-up, shown in Figure 20 B.Because under user mode, sealing part 52 needs to keep black liquid, the inwall and the ink supply pin 20 that therefore seal ring portion 524 should closely cooperate.Therefore the width of this block 526 should be consistent with the width of print needle 50 basically, is preferably the width that is slightly less than this print needle 50.In first preferred embodiment of the present invention, block 526 is one spherical, and its bottom is set to a plane or concave surface, guarantees that print needle 50 stably contact with block 526, thus be convenient to print needle 50 with block 526 from sealing ring portion 528 separation.
Certainly, block 526 of the present invention can have various deformation, and shown in Figure 21 A, the present invention can be arranged to block 526 to have the cylinder of adequate thickness and width.And when having print needle 50 to insert, this columniform block 526 is easy to separate with sealing ring portion 524 equally, shown in Figure 21 B.Also this block can be designed to have certain thickness lid shape spare, as shown in figure 24.
Specifically, can in time break away from order to make block 526, the end face 525 that the present invention also will seal ring portion 524 further is arranged to 520 tilt to central part from the support portion with predetermined angle, as shown in Figure 6; Simultaneously, the end face 525 of this inclination should not stop the upset of block 526, and the angle of itself and horizontal plane is preferably between 30～45 °.
Further, of the present invention have the block 526 of adequate thickness owing to will break away from sealing ring portion 524, and can not stop print needle 50 and seal cooperating between the ring portion 528.Therefore, this connecting portion 528 all should be connected the top of sealing ring portion 524, shown in Figure 20～19.
Because it is the thickness of connecting portion 528 of the present invention is far smaller than the thickness of block 526, generally preferable in the middle of 0.15～0.4mm.Therefore, when one designs this connecting portion 526, it can be designed to have homogeneous thickness, shown in Figure 23 A.Like this, in actual use, as come from the thrust of print needle 50 when big slightly, the fracture fully of this connecting portion 528, thus block fully breaks away from sealing ring portion 524.
Yet the another preferred embodiment of connecting portion of the present invention is that sealing ring portion 528 is designed to have different thickness, shown in Figure 23 B.In this embodiment, connecting portion 528 thickness of the present invention are from wherein a part of ring portion, and the thinnest as shown in FIG. part 529 evenly increases progressively to its opposite side 529 '.So just, guaranteed connecting portion 528 of the present invention from 529 fractures of the thinnest portion, and still can keep connecting at the thickest 529 '.Certainly, be preferably, the thickness of this thinnest portion 529 is between 0.15～0.25mm; And the thickest 529 ' thickness is between 0.3～0.4mm.
In fact, printer for the different model of different factories, its parameter can have nothing in common with each other, therefore for adapting to this demand, the present invention has designed sealing ring portion 524 again especially, promptly the end in described sealing ring portion 524 upwards is wholely set a wall portion 524 ' again, and as shown in figure 24, and this wall portion 524 ' is consistent with the height of support portion basically and gets final product.
Hence one can see that, seal of the present invention is owing to design the various piece one, considered the seal request under various states simultaneously, as the non-working condition of assembling or transportation etc. with the user mode when printing, therefore, it has saved existing Ink box device and has sealed up these parts of diaphragm seal at ink outlet port, has overcome the defective that membrane seal in the prior art is difficult for being printed needle penetration simultaneously.And the present invention covers ink outlet port 404 along the box body outside simultaneously in order further to prevent from the generation of accidental situation, allow to be used to cover the packing strip of paper used for sealing 96 of print cartridge passage 414, the sealing insurance measure during as another Xiang Zaifei print state.For example, when passage 414 and ink outlet port 404 were in the diagonal angle of box body respectively, this packing strip of paper used for sealing 96 can cover ink outlet port 404 along arbitrary side, shown in Figure 25 A; And when passage 414 and ink outlet port 404 are in the homonymy of box body respectively, this packing strip of paper used for sealing 96 can be along the front or the back side cover ink outlet port 404, shown in Figure 25 B.
Adopt embodiments of the invention, can realize irritating the China ink operation easily.Shown in Figure 26 is the schematic diagram that adopts the malleation can, please refer to the Ink box device of the present invention 400 shown in Figure 16 E simultaneously.At first ink is stored in a container 618, container 618 is connected with a liquid pump 614 by an ink guide tube 616, the other end of liquid pump 614 is connected by a refilling pipe 610 with the filling China ink hole of print cartridge 400, at refilling pipe 610 middle parts one flowmeter 612 is set, and is used to measure the filling China ink amount of ink.When black sap cavity is poured into pre-set capacity, stop to irritate China ink.Insert aspirating hole 470 with a pin 604 then, the other end of pin 604 is connected by flexible pipe 606 with an aspiration pump 602, coupling part at flexible pipe 606 and pin 604 is provided with a liquid-gas separation device 608, air in the ink guiding cavity 412 is extracted out, at this moment, valve body 30 forms pressure reduction up and down, valve body 30 separates with valve seal lid 340, black liquid in the China ink sap cavity 402 is drawn out of, by valve seal lid 340, via the supporting head part through hole 332 of valve body 30, be full of ink guiding cavity 412, black liquid in the ink guiding cavity 412 clogs the black hole 440 of filling by block 528 sealings that the sealing ring 52 that is arranged on ink outlet port 404 places is integrally formed therewith with sealing-plug 438, finishes and irritates China ink.
In the present embodiment, can also adopt print cartridge 400 is inverted the filling China ink.Referring to Figure 27, expression be one be inverted to irritate the embodiment of China ink.Ink is tightly connected by a conduit 616 mutually with print cartridge 400, and conduit 616 middle parts are provided with a flowmeter 612, irritates the China ink amount with control.At aspirating hole 470 places of print cartridge 400,, thereby conduit is connected with the ink guiding cavity 412 of print cartridge 400 with the pin insertion plug 472 of a carrying pipe 606.The other end of conduit is connected with a gas pump 602, and a gas-liquid separation device 608 is set in conduit 606 simultaneously.When gas pump is started working, gas in the ink guiding cavity 412 in the print cartridge 400 is sucked out, the pressure reduction of generation up and down of valve body 30 changes, valve body 30 is opened, also corresponding being sucked out of gas in the black sap cavity 402 in the print cartridge, thereby, ink also is drawn onto in the black sap cavity 402 by corresponding, because print cartridge 400 is inverted, the black liquid in the black sap cavity 402 is introduced into ink guiding cavity very soon, makes ink guiding cavity be full of black liquid.When ink capacity reaches the capacity of expectation, stop to irritate China ink.In the present embodiment, also can be with the print cartridge side, it is the same to irritate black step.
During printing, the print needle (not shown) backs down the block 528 of sealing ring 52, print cartridge is in running order, with the continuous discharge of inking liquid, air constantly enters in the spheroid chamber 456, when spheroid expand into certain volume, the micropore 454 of spheroid sidewall is opened, gas make-up in print cartridge, is kept the pressure balance in the print cartridge, guarantee to print smoothly; When printing stops, open micropore is airtight according to the elastic recovery of spheroid self, can prevent effectively that black liquid from flowing in the spheroid chamber, micropore has played the effect of a check valve to a certain extent, makes passage open or close according to printing needs selectively; Especially, after using up, puts into by print cartridge dustbin, or inadvertently be placed on when handling official business table top, phenomena of inversion may appear, in this case, if when environment temperature raises, gas meeting Yin Wendu in the China ink sap cavity raises and expands, keep the pressure balance in the black sap cavity because the scalability of spheroid, the gas of these expansions can be extruded the gas in the spheroid that expands, thereby do not have the generation of ink leak phenomenon.
If at the embodiment shown in Fig. 7 A of the present invention, in the time of can working as diameter that valve body supports foot 310 less than 11mm, the volume of valve body 30 and 52 formed ink guiding cavities 412 of sealing ring is less than 0.4 cubic millimeter, at this moment in ink guiding cavity 412, do not need to reserve black liquid, this part air in the ink guiding cavity 412 was got rid of in the time of being printed equipment and cleaning, and did not produce and do not have bubble when guaranteeing to print.In the present embodiment, valve body supports foot's 310 maximum gauges and is designed to 9 millimeters, correspondingly need not reserve black liquid in the ink guiding cavity, does not need in the wall portion of ink outlet port ink guiding hole to be set, and only needs to be provided with filling and get final product for black mouthful 440 on top cover 410.Correspondingly, when irritating China ink, just do not need pump step, referring to Figure 28 yet.Container 618 is connected with a liquid pump 614 by an ink guide tube 616, and the other end of liquid pump 614 is connected by a refilling pipe 610 with the filling China ink hole of print cartridge 400, at refilling pipe 610 middle parts one flowmeter 612 is set, and is used to measure the filling China ink amount of ink.Directly black liquid is poured in black sap cavity 402 from irritating China ink mouth 440 when irritating China ink, by malleation, destroy black liquid and irritating the planum semilunatum that China ink mouthful 440 places form, black sap cavity 402 interior gases are discharged by passage 414.In order to prevent that black liquid from leaking from passage, be connected with a flexible pipe 420 at passage 414 places.When black sap cavity is poured into pre-set capacity, stop to irritate China ink, will irritate China ink mouthful 440 sealings with plug 438.In print cartridge when work,, via valve body supporting head part 330, the filter screen 56 of flowing through enters the print needle 50 of ink jet recording device by ink guiding cavity 412 to black liquid, prints by black sap cavity 402.
Moreover, adopt the method for all right application of negative pressure can of Ink box device of the present invention, still in conjunction with the embodiment shown in Figure 16 E, and with reference to can schematic diagram shown in Figure 29.When irritating China ink, at first the print cartridge 400 that assembles is just being put or side, the ink filling port 440 on the print cartridge cover is inserted with an ink-filling needle 506 hermetically, and the other end of ink-filling needle 506 connects an ink guide tube 508, and ink guide tube 508 is connected with ink tank 502.The liquid level of ink tank 502 can be higher than print cartridge 400, also can be lower than the horizontal plane of print cartridge 400.Offer aspirating hole 470 on the sidewall of ink outlet port 404, sealing-plug 472 is filled in hermetically in aspirating hole 470.The end of pin 534 of bleeding inserts in the sealing-plug 472, and the other end is connected with gas-liquid separation device 580 by magnetic valve 540, and the other end of gas-liquid separation device 580 is connected with vavuum pump 590 by vacuum meter 570.When irritating the China ink beginning, hold down gag 510 presses down the cap sealing with print cartridge 400, simultaneously, open vavuum pump 590 switches, vavuum pump 590 is started working, magnetic valve 540 conductings, magnetic valve 520 cuts out, at this moment, the gas of print cartridge valve body 30 bottoms is drawn out of, and because of the variation of valve body pressure reduction about in the of 30, valve body 30 is opened, air in the print cartridge chamber on valve body 30 tops also is drawn out of, and at this moment, because the spheroid wall portion of spheroid 450 pricks micropore is arranged, so the gas in the spheroid 456 also is sucked out, when vacuum meter 570 reached negative 700～750mpa, magnetic valve 540 cut out, magnetic valve 520 conductings.Owing to have negative pressure in the print cartridge, so ink is drawn onto in the black sap cavity of print cartridge 400 from inking chamber 502, along with the ink in the print cartridge constantly increases, the pressure differential of valve body about in the of 30 can change again, still negative 700～750mpa air pressure in the valve body 30 bottom ink guiding cavities, and with the increase of black liquid in the inking sap cavity, the pressure of valve body 30 tops China ink sap cavity also can increase, when reaching certain numerical value, valve body 30 is opened, ink flows in the ink guiding cavity of valve body 30 lower ends, because the volume in the valve body 30 lower end ink guiding cavities is very little, is filled with ink rapidly, almost in the identical time that valve body 30 is opened, valve body 30 is closed by the elasticity of itself, and the ink on valve body 30 tops is also filled with immediately, finishes and irritates black operation.
Certainly according to the present invention, vacuum meter 570 1 ends are connected with vavuum pump 590, and the other end directly is connected with magnetic valve 540, when the vacuum meter metering reached 700～750mpa, magnetic valve 540 cut out, and the sealing-plug 472 of pin 534 from aspirating hole 470 pulls away with bleeding, afterwards, magnetic valve 520 conductings.
During printing, the print needle (not shown) pushes up the block 528 of sealing ring 52 to a side, print cartridge is in running order, with the continuous discharge of inking liquid, air constantly enters in spheroid 456 chambeies, when spheroid expand into certain volume, the micropore 454 of spheroid sidewall is opened, gas make-up in print cartridge, is kept the pressure balance in the print cartridge, guarantee to print smoothly; When printing stopped, open micropore 454 was airtight according to the elastic recovery of spheroid 456 self, can prevent effectively that black liquid from flowing in spheroid 456 chambeies.
Described by as above preferred embodiment though should be understood that the present invention,, various deformation can also be arranged according to technical scheme of the present invention; And change that technical staff well known in the art makes under the prerequisite that does not break away from the present invention's spirit essence and distortion all should belong to the protection domain of appended claim of the present invention.
Ink box device of the present invention mainly keeps with check valve body and controls black liquid, has improved the utilization of black liquid.Because used this valve body, reduce cost more simultaneously, made things convenient for the can operation of black liquid simultaneously, improved production efficiency widely.
Claims (42)
1, a kind of Ink box device of printer apparatus outfit comprises
One box body, inside are provided with at least one cavity, are used to store black liquid, and wherein this box body comprises
At least one passage is used to make this cavity to be communicated with atmosphere;
At least one ink outlet port is arranged in the wall portion, is used for being communicated with the print needle of printer apparatus; With
At least one seal, this ink outlet port of shutoff is used to keep black liquid; And
At least one check valve body is used to control the flow of black liquid, it is characterized in that this at least one check valve body is arranged on the inside of this at least one cavity, and has been wholely set
One supports foot, contacts with the chamber wall sealing of this at least one ink outlet port;
One supporting walls portion supports the medial eminence of foot from this;
One supports shoulder, constitutes from this supporting walls portion is crooked to the inside;
One supporting head part supports the shoulder protuberance from this, and is penetrated with a central through hole; And
Described Ink box device also comprises a valve seal device, is used for the central through hole of this supporting head part of shutoff.
2, Ink box device according to claim 1 is characterized in that, described supporting walls portion is from the described support foot protuberance that is inclined upwardly.
3, Ink box device according to claim 1 is characterized in that, to lower recess, forms a concave surface portion from the crooked to the inside described support shoulder of this inclined wall portion.
4, Ink box device according to claim 1 is characterized in that, described supporting head part tilts to swell from described support shoulder.
5, Ink box device according to claim 4 is characterized in that, described supporting head part central through hole is a conical through-hole.
6, Ink box device according to claim 5 is characterized in that, the inclination angle of described supporting head part is greater than the inclination angle of described supporting walls portion.
7, Ink box device according to claim 1 is characterized in that, the described wall thickness that supports the thickness of foot greater than described supporting head part; The wall thickness of this supporting head part is greater than the wall thickness of described support shoulder.
8, Ink box device according to claim 7 is characterized in that, the wall portion that is communicated with described at least one ink outlet port is provided with at least one depressed part and is used to place described valve body.
9, Ink box device according to claim 8 is characterized in that, the diapire of described recess walls portion is provided with a filter, is used for the impurity of filtering China ink liquid.
10, Ink box device according to claim 1 is characterized in that, described valve seal device is pushed the described supporting head part of described check valve body downwards, is used to make described valve body to be in compressive state.
11, Ink box device according to claim 1 is characterized in that, described passage place is provided with one and prevents black liquid leakage device.
12, Ink box device according to claim 11 is characterized in that, describedly prevents that black liquid leakage device from being that described ventilation hole wall is to the setting of described ink storage chamber projection.
13, Ink box device according to claim 11 is characterized in that, describedly prevents that black liquid leakage device from being the pipe fitting of passage inwardly protruding socket one bending, and the one end is connected with described passage, and the other end exposes liquid level.
14, Ink box device according to claim 11 is characterized in that, describedly prevents that black liquid leakage device from being one bag of shape spare, is arranged in the described ink storage chamber, comprises
One openend is used for being communicated with described passage; With
One micropore is arranged on described bag of shape spare wall portion.
15, Ink box device according to claim 14 is characterized in that, described bag shape spare is a hollow ball.
16, Ink box device according to claim 15 is characterized in that, described passage has a projection in described ink storage chamber body, and comprises a locking cap, is arranged to bowl-shapely, is used for fixing the described openend of described bag shape spare, has
One cavity is used for suitable with described protruding outer rim mutually;
One through hole is arranged on the bottom and aims at described passage setting; And
One shoulder is used for socket-connecting with the openend of described bag shape spare.
17, Ink box device according to claim 16 is characterized in that, the described diapire of described ink storage chamber is obliquely installed to described ink outlet port.
18, Ink box device according to claim 17 is characterized in that, is provided with an ink guide tank on the described diapire of described ink storage chamber at least, is used to guarantee ink supply.
19, Ink box device according to claim 18 is characterized in that, the diapire of described ink storage chamber is provided with jut, props up described bag shape spare.
20, Ink box device according to claim 19 is characterized in that, the described openend of described bag shape spare be one with the suitable opening of box wall portion at described passage place, fix with the wall portion of described ink storage chamber.
21, Ink box device according to claim 20 is characterized in that, described bag shape spare has some laminations.
22, Ink box device according to claim 14 is characterized in that, described passage is identical with ambient atmos by the irregular gas port that is arranged in the described box wall portion.
23, Ink box device according to claim 22 is characterized in that, the part of described gas port is arranged on box surface.
24, Ink box device according to claim 23 is characterized in that, the described gas port that is arranged on box surface is coated with the air guide film.
25, Ink box device according to claim 11 is characterized in that, also is provided with a through hole that is used for refilling in the wall portion of described box body, is communicated with described ink storage chamber, and utilizes the gambling of gag envelope.
26, Ink box device according to claim 1 is characterized in that, described seal is arranged on the inside of described ink outlet port, and has been wholely set
One inside has the support portion of cavity, closely cooperates with the wall portion of described ink outlet port;
One sealing ring portion is swelled to the inside from described support portion;
One block, the sealing ring portion that forms with described protuberance matches; And
A junction is looped around between described sealing ring portion and the described block, is used to guarantee rupture when described block is subjected to a predetermined pressure.
27, Ink box device according to claim 26 is characterized in that, the end face of described sealing ring portion from described support portion to centroclinal setting.
28, Ink box device according to claim 26, it is characterized in that the wall portion that cooperates with described seal of described box body is provided with a circular groove, is used to be provided with the described support portion of described seal, the inboard cell wall of this groove is used to strengthen rigidity against the end face of described sealing ring portion.
29, Ink box device according to claim 26 is characterized in that, described connecting portion has different thickness.
30, Ink box device according to claim 29 is characterized in that, the thickness of described connecting portion increases progressively to opposite side from a part of ring portion wherein.
31, Ink box device according to claim 1 is characterized in that, is penetrated with an aspirating hole in the described wall portion of described ink outlet port, is communicated with the upper chamber of described seal, and utilizes the plug sealing.
32, a kind of check valve body is used to control the flow of black liquid, it is characterized in that this valve body comprises
One supports foot;
One supporting walls portion supports the medial eminence of foot from this;
One supports shoulder, constitutes from this supporting walls portion is crooked to the inside; And
One supporting head part supports the shoulder protuberance from this, and is penetrated with a central through hole.
33, valve body according to claim 32 is characterized in that, to lower recess, forms a concave surface portion from the crooked to the inside described support shoulder of this supporting walls portion.
34, valve body according to claim 32 is characterized in that, described supporting head part tilts to swell from described support shoulder.
35, valve body according to claim 32 is characterized in that, the described wall thickness that supports the thickness of foot greater than described supporting head part; The wall thickness of this supporting head part is greater than the wall thickness of described support shoulder.
36, a kind of packaging process of Ink box device according to claim 1 that is used for is characterized in that it comprises the following steps:
A) seal described Ink box device;
B) the described ink filling port at described print cartridge inserts an ink-filling needle;
C) utilize the described ink guiding cavity of the described print cartridge of a pressure source sucking-off and the gas in the box body cavity, make to form negative pressure in this cavity;
D) inject the ink of scheduled volume in the described print cartridge chamber.
37, method according to claim 36 is characterized in that, described step c) comprises following processing:
E) on the sidewall of described check valve body and the formed ink guiding cavity of described seal, run through an aspirating hole;
F) in this aspirating hole, insert the pin of bleeding.
38, according to the described method of claim 37, it is characterized in that, also comprise following processing:
When g) gas in described box body reached scheduled volume, the pin of will bleeding pulled away from aspirating hole.
39, a kind of device to Ink box device can China ink liquid as claimed in claim 1, wherein
Described Ink box device comprises
One passage is used to be communicated with box body cavity and ambient atmos;
One ink filling port utilizes the gag sealing;
One seal is arranged on ink outlet port, is used to keep black liquid;
One check valve body utilizes valve seal device envelope to gamble the through hole of its supporting head part, is arranged on this cavity diapire, and forms ink guiding cavity with described seal, is used for keeping and controlling black liquid; And
Described filling device for ink comprises
One ink tank;
One ink-filling needle inserts the described ink filling port of described Ink box device, is communicated with described ink tank by a pipeline;
One pneumatic supply; With
One pin of bleeding utilizes tracheae to be connected with described pneumatic supply, it is characterized in that described filling device for ink also comprises
One hold down gag is used to seal the cap of described box body;
One volume control device comprises
One breather pipe is with described pipeline connection;
One ink barrel is with described pipeline connection; And
Two valve bodies are separately positioned between described volume control device and the described container and on the described pipeline between described volume control device and the described ink-filling needle.
40, a kind of packaging process that is used for as Ink box device as described in the claim 11 wherein comprises in this Ink box device
One prevents black liquid leakage device, is arranged on the position of the described passage of described box body, the method is characterized in that it comprises the following steps:
A) the described ink filling port at described print cartridge inserts an ink-filling needle that is communicated with ink tank;
B) utilize positive pressure source to pass through the directly black liquid of perfusion scheduled volume in described print cartridge.
41, according to the described packaging process of claim 40, it is characterized in that, also comprise following processing
C) on the sidewall of described check valve body and the formed ink guiding cavity of described seal, run through an aspirating hole;
D) pin of bleeding that is communicated with negative pressure source is inserted this aspirating hole;
E) utilize gas in the described ink guiding cavity of the described print cartridge of a negative pressure sucking-off, make described check valve body separate with described valve seal device, be used for drawing China ink to this ink guiding cavity because of pressure differential.
42, according to the described method of claim 41, it is characterized in that it also comprises:
F) seal described ink filling port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011088915A CN1142064C (en) | 2001-02-28 | 2001-02-28 | Ink cartridge and ink filling method and device thereof |
| TW90106391A TW592987B (en) | 2001-02-28 | 2001-03-19 | Ink cartridge and ink filling method and the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011088915A CN1142064C (en) | 2001-02-28 | 2001-02-28 | Ink cartridge and ink filling method and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1371810A CN1371810A (en) | 2002-10-02 |
| CN1142064C true CN1142064C (en) | 2004-03-17 |
Family
ID=4657627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011088915A Expired - Fee Related CN1142064C (en) | 2001-02-28 | 2001-02-28 | Ink cartridge and ink filling method and device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1142064C (en) |
| TW (1) | TW592987B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4261983B2 (en) * | 2003-05-22 | 2009-05-13 | キヤノン株式会社 | Ink tank |
| TWI409196B (en) * | 2008-04-18 | 2013-09-21 | Univ Nat Sun Yat Sen | A device for dealing with erosive fluids |
| CN102167169B (en) * | 2011-03-24 | 2013-01-30 | 刘佳瑾 | Full-automatic ink box ink-filling and opening-sealing machine and filling method thereof |
| TWI571390B (en) * | 2015-07-24 | 2017-02-21 | 研能科技股份有限公司 | Ink cartridge and cover assembly for using in continuous liquid-supplying system |
| WO2017108094A1 (en) | 2015-12-22 | 2017-06-29 | Hewlett-Packard Development Company, L.P. | Printing fluid cartridge for a pumped printing fluid system |
| CN109205071A (en) * | 2018-10-31 | 2019-01-15 | 绍兴麦杰新材料股份有限公司 | A kind of pre- envelope formula solution lid and portable hydrophilic catheter |
-
2001
- 2001-02-28 CN CNB011088915A patent/CN1142064C/en not_active Expired - Fee Related
- 2001-03-19 TW TW90106391A patent/TW592987B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TW592987B (en) | 2004-06-21 |
| CN1371810A (en) | 2002-10-02 |
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Address after: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee after: Tianwei Feima Consumptive Material of Printer Co., Ltd., Zhuhai City Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: Feima Consumable Materials Co., Ltd., Zhuhai |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuhai Tax-free Area Natural Baojie Digital Technology Material Co., Ltd. Assignor: Tianwei Feima Consumptive Material of Printer Co., Ltd., Zhuhai City Contract fulfillment period: 2006.4.10 to 2011.12.31 Contract record no.: 2008440000415 Denomination of invention: Ink cartridge and ink filling method and device thereof Granted publication date: 20040317 License type: Exclusive license Record date: 2008.12.1 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.4.10 TO 2011.12.31; CHANGE OF CONTRACT Name of requester: ZHUHAI BONDED AREA NATRUAL BAOJIE DIGITAL SCIENCE Effective date: 20081201 |
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