CN100584621C - Liquid cartridge - Google Patents

Liquid cartridge Download PDF

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Publication number
CN100584621C
CN100584621C CN200710145331A CN200710145331A CN100584621C CN 100584621 C CN100584621 C CN 100584621C CN 200710145331 A CN200710145331 A CN 200710145331A CN 200710145331 A CN200710145331 A CN 200710145331A CN 100584621 C CN100584621 C CN 100584621C
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CN
China
Prior art keywords
valve
atmos
intercommunicating pore
liquid
fluid cartridge
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Expired - Fee Related
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CN200710145331A
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Chinese (zh)
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CN101125490A (en
Inventor
坂井康人
品田聪
石泽卓
市桥晃
关祐一
北泽显彦
伊藤贤治
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Seiko Epson Corp
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Seiko Epson Corp
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Publication of CN101125490A publication Critical patent/CN101125490A/en
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Publication of CN100584621C publication Critical patent/CN100584621C/en
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Abstract

A liquid cartridge (100) is provided for supplying liquid to a liquid ejecting apparatus when mounted thereon, comprising: a liquid accommodating chamber; a supply portion for supplying liquid accommodated in said liquid accommodating chamber to the liquid ejecting apparatus; an atmospheric valve (254) selectively opening and sealing a communication hole (239) through which said liquid accommodating chamber communicates with ambient air; and a biasing member (255) for biasing said atmospheric valve (254) toward said communication hole (239) for sealing the communication hole (239), wherein biasing force of said biasing member (255) is determined so that said atmospheric valve (254) opens the communication hole (239) when the liquid cartridge with the liquid accommodating chamber, which is packed and sealed in a vacuum package under a negative pressure lower than atmospheric pressure, is exposed to atmosphere by opening the package.

Description

Fluid cartridge
The application is based on the denomination of invention submitted on December 8th, 2003 dividing an application for the application for a patent for invention No.200310118233.3 of " fluid cartridge ".
Technical field
The present invention relates to fluid cartridge.More specifically, the present invention relates to be used for supplying to liquid injection apparatus the fluid cartridge of liquid, described fluid cartridge is installed on the described liquid injection apparatus.
Background technology
The present invention requires the priority of following Japanese patent application: the 2003-204774 that the No.2002-374645 that on December 25th, 2002 proposed and on July 31st, 2003 propose, at this by reference, its content is in this application involved.
In inkjet recording device, the print cartridge that accommodates ink is given record head with ink feed on being installed to inkjet recording device the time.Herein, ink, inkjet recording device and print cartridge are respectively the examples of liquid, liquid injection apparatus and fluid cartridge.
For example, provide a kind of print cartridge, this print cartridge has: ink holds the district, wherein holds ink; Ink feed part, the ink feed that is used for ink is held the district are inserted the ink feed part from the outstanding ink feed pin of carriage to record head; Valve member is used to allow that ink holds district and ink feed part and holds the pressure differential between district's side and the record head side based on ink and communicate with each other; And atmos-valve, be used to allow that ink container cavity and atmosphere communicate with each other, for example the early stage publication No.2002-103643 of Japan is disclosed like that.Atmos-valve is set to and can moves perpendicular to the direction that print cartridge is installed on the carriage.For example, if by pushing downwards print cartridge is installed on the carriage, then atmos-valve is set to and can moves by along continuous straight runs.When being installed in print cartridge on the carriage, contact with atmos-valve as the contact member of a carriage part, atmos-valve is moved by along continuous straight runs then, and ink holds the district and just is communicated with atmosphere.Under this state, when record head consumed ink, the ink feed control device held the district with ink from ink and is supplied to record head.
But, in above-mentioned print cartridge, because the contact member of carriage is along the direction mobile atmospheric valve perpendicular to the print cartridge installation direction, atmos-valve may be when being installed to print cartridge on the carriage loosening or contact member loosening of atmos-valve contact member is not contacted with atmos-valve and can not open.In addition, in above-mentioned print cartridge, being contained in the ink that ink holds in the district may spill from print cartridge by intercommunicating pore.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of fluid cartridge and a kind of method that is used to assemble fluid cartridge, can overcome the above-mentioned shortcoming of following conventional art.By combination illustrated in independent claims of the present invention, can realize above-mentioned and other purpose.Dependent claims of the present invention has been set forth other useful and exemplary combination of the present invention.
According to a first aspect of the invention, a kind of fluid cartridge, liquid supply pin by liquid injection apparatus when being used on being installed in liquid injection apparatus is supplied liquid to liquid injection apparatus, and described fluid cartridge comprises with the lower part: the liquid containing district is used for receiving fluids; The liquid supply section, the district is communicated with liquid containing, and the liquid supply section comprises that the liquid supply pin of liquid injection apparatus inserts opening wherein; And atmos-valve, being used to seal the intercommunicating pore of allowing that described liquid containing district is communicated with atmosphere, atmos-valve moves along inserting the parallel direction of the direction of described opening of described liquid supply section with liquid supply pin substantially.
Because this structure, because the moving direction of atmos-valve is parallel to the direction of insertion that the liquid supply pin of liquid injection apparatus inserts the liquid supply section, along with the installation of fluid cartridge, the contact member of liquid injection apparatus upwards promotes atmos-valve reliably.In addition, if the profile of fluid cartridge broad on the direction that fluid cartridge is installed can increase the stroke that atmos-valve moves and not widen the width of fluid cartridge.
Fluid cartridge can also comprise helical spring, is used for pushing atmos-valve to intercommunicating pore with the sealing intercommunicating pore.Thus, compare, can increase the stroke of helical spring compression, and can increase the thrust that promotes atmos-valve along the direction of sealing intercommunicating pore with the situation of using the sheet spring.
In fluid cartridge, atmos-valve can comprise with the lower part: leader, and cylindrical substantially, and insert in the helical spring; With the plate-like part, have diameter, and promoted with the sealing intercommunicating pore by helical spring greater than leader; And notch part, be arranged on the guide portion office, from inserting the incision of helical spring side.Thus, because under the state in the leader insertion helical spring of atmos-valve, can come temporary transient stop atmos-valve and helical spring by in the middle of assembly tool being cooperated be encased in notch part, therefore can easily atmos-valve and helical spring be assembled on the print cartridge.
In fluid cartridge, atmos-valve can comprise hermetic unit, is pushed with the sealing intercommunicating pore; And stem portion, extend from hermetic unit, insert in the intercommunicating pore and and contact intercommunicating pores inside in a plurality of positions, wherein between stem portion and intercommunicating pore, may form the slit.
Thus, atmos-valve is accurately located in a plurality of positions with respect to intercommunicating pore.In addition, owing between contact position, formed the slit, can prevent to flow through the increase of passing through resistance of the atmosphere of intercommunicating pore.
In fluid cartridge, can form film at the part place of fluid cartridge, this film contacts with the contact member of liquid injection apparatus, and atmos-valve promotes to move via the film with sweep by being touched member.
Thus, when the contact member of liquid injection apparatus upwards promotes atmos-valve via film, can prevent that film from being broken by expansion.In addition, can reduce resistance for promoting film.
Fluid cartridge can also comprise the liquid retaining part, and this liquid retaining part is arranged on atmos-valve and intercommunicating pore below, than the position of the more close atmosphere of intercommunicating pore, is used for keeping the liquid that flows out from intercommunicating pore.Thus, though liquid flows out near atmosphere rather than towards intercommunicating pore and atmos-valve, ink has been remained in the liquid holding chamber.Therefore, can prevent that liquid from spilling from fluid cartridge.
In fluid cartridge, the retaining part intercommunicating pore can also be set on the top of liquid retaining part, be communicated with the intercommunicating pore in liquid containing district to allow atmosphere.Thus, though liquid flow out towards intercommunicating pore and atmos-valve, can be by allowing that liquid flows to the liquid maintaining part from intercommunicating pore and assigns to reduce the pass through resistance of atmosphere by intercommunicating pore.
In fluid cartridge, the liquid retaining part can have hollow space, open the bottom surface of this hollow space, and the liquid retaining part has the film that is used for the sealed hollow part, fluid cartridge comprises that also atmos-valve promotes member, this atmos-valve promotes member and is contained in the middle of the hollow space of liquid retaining part, is used for atmos-valve upwards being promoted via film by being formed at the contact member at liquid injection apparatus place.Thus, atmos-valve is arranged on the top of print cartridge, so can increases the capacity that keeps liquid.
In fluid cartridge, film can have sweep, so that the contact member of liquid injection apparatus can upwards promote atmos-valve via film, opens intercommunicating pore up to atmos-valve.Thus, when the contact member of liquid injection apparatus upwards promotes atmos-valve via film, can prevent that film from being broken because of expanding.
Fluid cartridge can also comprise sealing film, is used to be blocked between liquid containing district and the intercommunicating pore; And tear device, be used for when being installed in fluid cartridge on the liquid injection apparatus, tearing sealing film.Thus, liquid is flowed out towards atmos-valve by intercommunicating pore in the time of can preventing from not use.
Fluid cartridge can also comprise the coupling part that memory is mounted thereon, and a side of this coupling part is located by liquid injection apparatus, wherein the atmos-valve device is arranged near the coupling part.Thus, can accurately locate atmos-valve and contact member, and can communicate with atmosphere reliably.
According to a second aspect of the invention, a kind of fluid cartridge is contacting with the part of liquid injection apparatus and is being mounted when liquid injection apparatus rotates, and described fluid cartridge comprises with the lower part: the liquid containing district is used for receiving fluids; The liquid supply section, the district is communicated with liquid containing, and has supply valve, and when inserting the liquid supply pin of liquid injection apparatus, liquid supply pin upwards promotes supply valve; And atmos-valve, be used to seal the intercommunicating pore of allowing that the liquid containing district is communicated with atmosphere, and when liquid injection apparatus is installed, contact member by being formed on the liquid injection apparatus place moves and opens intercommunicating pore along inserting the substantially parallel direction of the direction of liquid supply section with liquid supply pin, be axle around the point that liquid injection apparatus rotates wherein with fluid cartridge, the angle that fluid cartridge is rotated around liquid injection apparatus for atmos-valve is contacted with the contact member of liquid injection apparatus is less than being axle with described point, fluid cartridge for supply valve is contacted with liquid supply pin around the angle of liquid injection apparatus rotation.
Thus, when being installed to fluid cartridge on the liquid injection apparatus, can supply pin at liquid and open atmos-valve before inserting the liquid supply section, so can prevent that in the fluid cartridge pressure inside ink flows to fluid cartridge from liquid injection apparatus during less than the liquid injection apparatus pressure inside.Particularly, when fluid cartridge is installed, the meniscus that is formed at the nozzle place of fluid jetting head may be introduced towards shower nozzle by fluid cartridge pressure inside (being lower than the pressure of atmospheric pressure), and because bubble is invaded shower nozzle and the bad injection of occurrence record head from nozzle, but, it can be prevented according to above structure.
According to a third aspect of the invention we, a kind of fluid cartridge is contacting with the part of liquid injection apparatus and is being mounted when liquid injection apparatus rotates, and described fluid cartridge comprises with the lower part: the liquid containing district is used for receiving fluids; The liquid supply section, the district is communicated with liquid containing, and the liquid of liquid injection apparatus supply pin inserts in the liquid supply section; And atmos-valve, be used to seal the intercommunicating pore of allowing that the liquid containing district is communicated with atmosphere, and when liquid injection apparatus is installed, contact member by being formed on the liquid injection apparatus place moves and opens intercommunicating pore along inserting the substantially parallel direction of the direction of liquid supply section with liquid supply pin, and wherein the contact portion between atmos-valve and contact member is formed at than liquid supply section apart from the point nearer position of fluid cartridge around the liquid injection apparatus rotation.
Thus, when being installed to fluid cartridge on the liquid injection apparatus, can supply pin at liquid and open atmos-valve before inserting the liquid supply section, and can prevent that in the fluid cartridge pressure inside ink flows to fluid cartridge from liquid injection apparatus during less than the liquid injection apparatus pressure inside.Particularly, when fluid cartridge is installed, the meniscus that is formed at the nozzle place of fluid jetting head may be introduced towards shower nozzle by fluid cartridge pressure inside (being lower than the pressure of atmospheric pressure), and because bubble is invaded shower nozzle and the bad injection of occurrence record head from nozzle, but, it can be prevented according to above structure.
Fluid cartridge can also comprise the check-valves that is arranged between liquid containing district and the intercommunicating pore, is used to allow that atmosphere flows to the liquid containing district from intercommunicating pore, and is used to stop liquid to flow to intercommunicating pore from the liquid containing district.
Thus, though before liquid supply pin inserts the liquid supply section, opened atmos-valve, can prevent reliably that liquid from flowing out towards atmos-valve.
Summary of the invention not necessarily illustrates whole essential feature of the present invention.The present invention can also be the sub-portfolio of above-mentioned feature.
Description of drawings
In conjunction with the accompanying drawings, according to following explanation to embodiment, above-mentioned and other feature of the present invention can become clearer.
Fig. 1 is the front perspective view according to the print cartridge 100 of first embodiment;
Fig. 2 is the rear view that film 110 print cartridge 100 before is installed;
Fig. 3 is the rear view that film 110 print cartridge 100 afterwards is installed;
Fig. 4 is the decomposition diagram of print cartridge 100;
Fig. 5 is the decomposition diagram of print cartridge 100;
Fig. 6 is in the front view that print cartridge 100 under film 130 state before is installed;
Fig. 7 is in the front view that print cartridge 100 under film 130 state afterwards is installed;
Fig. 8 is in the rear view that print cartridge 100 under film 110 state before is installed;
Fig. 9 is the decomposition diagram that atmos-valve 254 and intercommunicating pore 239 are shown;
Figure 10 is the perspective view of carriage 42;
Figure 11 is the cross sectional representation that relation between print cartridge 100 and the carriage 42 is shown;
Figure 12 is the cross sectional representation that relation between print cartridge 100 and the carriage 42 is shown;
Figure 13 illustrates the cross sectional representation that concerns between print cartridge 100 and carriage 42 another examples;
Figure 14 A and 14B are the perspective views of other example of atmos-valve 254;
Figure 15 is an enlarged cross-sectional view of wherein holding the atmos-valve container cavity 232 of atmos-valve 254;
Figure 16 is the plan view that the print cartridge 500 of second embodiment is shown;
Figure 17 is the transversal basifacial zoomed-in view of A-A that illustrates among Figure 16;
Figure 18 is near the part zoomed-in view the promotion member container cavity 652;
Figure 19 is the perspective view that atmos-valve promotes member 654.
The specific embodiment
Present invention is described according to preferred embodiment now, and the description of being carried out just is used for the explanation the present invention of illustrative ground, is not intended to limit the scope of the invention.All illustrated in an embodiment features and to make up not necessarily the present invention necessary.
Fig. 1 be used for the structure of the print cartridge 100 that inkjet recording device uses from above the front perspective view of stravismus, print cartridge 100 is suitable as the example of fluid cartridge, this fluid cartridge is suitable for the fluid jetting head supply liquid to liquid injection apparatus.
In addition, liquid injection apparatus of the present invention is not limited to the fluid jetting head of liquid injection apparatus, and it also comprises: the colored materials shower nozzle of colour filtering manufacturing installation, and described color filtration apparatus is used to make the colour filtering of LCD; Electrode material (conducting resinl) shower nozzle is used to form the electrode such as organic EL (electroluminescent) display or FED (Field Emission Display, Field Emission Display) and so on; Also has the biological organic substance shower nozzle of biochip making equipment and as the sample shower nozzle of the manufacturing biochip of micropipet.
Fig. 2 and Fig. 3 are the rear views that the print cartridge 100 among Fig. 1 is looked side ways from the below, and Fig. 2 shows the print cartridge 100 under the state that film 110 is not installed, and Fig. 3 shows the print cartridge 100 under the state that film 110 has been installed.In addition, Fig. 4 and Fig. 5 illustrate to form the perspective view of the print cartridge 100 of member under decomposing state of print cartridge 100.Fig. 6 and Fig. 7 are the front views of the print cartridge 100 among Fig. 1, and Fig. 6 shows the print cartridge 100 before the opening portion 122 of print cartridge 100 is installed film 130, and Fig. 7 shows the print cartridge 100 that film 130 has been installed at the opening portion 122 of print cartridge 100.In addition, film 130 is installed among Fig. 7 with the zone shown in the hacures.
As shown in Figure 4, print cartridge 100 has with the lower part: box body 120, have the shape of box-like, and have opening 122; Film 130 almost covers opening 122 whole surfaces; With lid 140, the outside of cover film 130.As mentioned below, the inside of box body 120 is separated by rib or wall.Film 130 almost seals the whole surface of the opening 122 of box body 120, so that its inside becomes closed state.Also lid 140 is fixed on the box body 120, encases into non-closed state with outside with film 130.
Box body 120 has with the lower part: ink holds district 111, is used to hold ink; The ink channel part is held district 111 to ink feed part 160 from ink; Ink side path allows that ink holds district 111 and is communicated with atmosphere; Atmos-valve holding portion and the atmosphere connected component of forming by the atmosphere path, and box body 120 is made one by for example polypropylene (PP).
Print cartridge 100 also has ink feed control device 150, memory 170 and engagement lever 180.Ink supply unit 160 will be contained in ink to be held the ink of district in 111 and is supplied to the record head of inkjet recording device by the ink feed pin of this device, and described ink feed pin inserts the opening of described ink supply unit 160.Described ink feed pin is positioned on the bottom surface of box body 120, and is formed in print cartridge 100 carriage 42 mounted thereto.Memory 170 caulkeds in coupling part 190, and this coupling part near and be connected in the bottom of box body 120 sides.Memory 170 storage is about print cartridge 100 kinds of information, about the information of the contained color of print cartridge 100 with about the information of current residual quantity of ink etc., and it transmits this information by a plurality of terminals 171 that are placed on it between device body and print cartridge 100.The top of the side relative that engagement lever 180 is formed at box body 120 with coupling part 190, and be meshed with the carriage 42 of inkjet recording device.The side of coupling part 190 is by not shown rib control, and this rib is formed at cradle, thereby the Elastic Contact point of terminal 171 and bracket side is designed to contact with each other reliably.
Ink feed control device 150 is made up of valve for pressure difference, the pressure differential that it produces between ink holds district 111 and ink feed part 160 by the consumption of following ink, and the ink feed that ink is held district 111 is to ink feed part 160.Described ink feed control device has with the lower part: diaphragm valve 900, and elastic deformation can take place in the example as the valve member in the recessed portion 495 that inserts box body 120; Valve gap 151 covers recessed portion 495; Helical spring 907 is as the example that is arranged on the promotion member between diaphragm valve 900 and the valve gap 151.
As shown in Figure 6 and Figure 7, the wall 272 that along continuous straight runs extends holds district 111 with ink and is divided into the upper and lower substantially, and, can hold district 270 by the atmospheric side that intercommunicating pore 242 is communicated with atmosphere and be formed at described bottom, and supply side holds the district and is formed at described top, described supply side holds the district and holds district's 292 and second ink by first ink and hold the district and 294 form, and and atmospheric isolation.Described supply side holds near skew wall 271 that district 290 had a connected component 276 by wall 272 (at described lower area) and is divided into first and second inks and holds district 292 and 294, and is provided with the channel part 296 of to distinguish 294 periphery and being provided with in order to hold around second ink.Channel part 296 holds district 294 via the connected component 278 in described bottom with second ink and is connected, and via path 298 and 300, and access opening 918 is connected with ink feed control device 150.
In addition, with the downstream of ink feed control device 150 be configured to via the access opening 910 that is communicated with ink feed control device 150, the connected component 302 that is communicated with access opening 910 and passage 321, be formed at the terminal of passage 321 and towards the access opening 323 of front face side with and the terminal connected component 304 that is communicated with access opening 323, be communicated with ink feed part 160.
Atmospheric side holds district's 270 and first ink and holds district 292 and communicate with each other by vertically extending communication paths 295, and constructed like this so that corresponding to consumption from the ink of ink feed part 160, atmospheric side holds the ink of district in 270 and is inhaled into first ink and holds in the district 292, hold district 294 and channel part 296 etc. via second ink then, flow in the ink feed control device 150.Ink is in regular turn by connected component 274, second ink entrance 162, communication paths 295, connected component 276 and 278, channel part 296, path 298 and 300 and access opening 918, and the atmospheric side that holds district 111 from ink holds district 270 and flows to the ink feed control device 150.
Simultaneously, the atmos-valve that atmos-valve part 250 has hollow holds district 232, be used to hold atmos-valve 254, and hold the intercommunicating pore 239 that has on the wall of district below 232 also as the atmosphere communication passage at atmos-valve, its diameter is more bigger than the stem portion 264 of atmos-valve 254, make the stem portion 264 of atmos-valve 254 be pushed to the bottom surface of print cartridge 100 by spring 255 all the time and insert wherein being free to slide, and when print cartridge 100 was not installed on the carriage 42 of inkjet recording device, atmos-valve 254 was with intercommunicating pore 239 sealings.Therefore, atmos-valve 254 is set to and can moves along the vertical direction that print cartridge 100 is installed in institute edge on the carriage 42, and in the time of on being installed in carriage 42, pushing the top to and open intercommunicating pore 239 by being touched member 60, contact member 60 is as the example that is formed at the contact member in the carriage.
Fig. 8 is the rearview that is illustrated in the print cartridge 100 of the Fig. 1 under the state that film 110 is not installed.The atmospheric side path is communicated with atmosphere as the border with above-mentioned intercommunicating pore 239, and by forming with the lower part: opening 212, circuitous or crooked path 214, filter hold district 216, intercommunicating pore 218, connected component 222 and are formed at intercommunicating pore 253 and connected component 224 on the bottom surface of connected component 222.
Particularly, as shown in Figure 8, be formed on the front surface of box body 120 and with an end of the path 214 of labyrinth shape bending by 212 pairs of atmosphere openings of opening, and the other end holds district 216 with the filter that is used to hold filter 215 (Fig. 4 and Fig. 5) and is connected, and filter 215 has the function of repelling ink and penetration air.Filter holds district 216 and is communicated with intercommunicating pore 218, and intercommunicating pore 218 is penetrated into rear side from the front side of box body 120.Intercommunicating pore 218 is connected with connected component 224 with intercommunicating pore 253 via connected component 222 at the rear side of box body 120, and intercommunicating pore 253 is formed at the bottom of the chamber of separating connected component 222.In the centre of path 214, be provided with the chamber of forming by recessed portion 930.
As shown in Figure 2, connected component 224 forms recessed portion 257 on the bottom surface of box body 120, and exposed stem portion 264 as the action bars of atmos-valve 254, and can hold the inside that district's 232 intercommunicating pores that are communicated with 239 and the intercommunicating pore 253 that is communicated with connected component 222 are formed at recessed portion 257 with the atmos-valve that accommodates atmos-valve 254, and the film 132 that the outer surface of recessed portion 257 is used to seal first and second ink entrances 161 and 162 seals.Selection can make its object that strain takes place as this film 132 from the pressure of the projection that carriage 42 stretches out.
Simultaneously, as shown in Figure 6, to be the border hold district 270 with atmospheric side to ink side path is communicated with above-mentioned intercommunicating pore 239, and by forming with the lower part: atmos-valve hold distinguish 232, access opening 234a, connected chamber 234b, connected component 234c, connected chamber 234d, connected component 236, connected chamber 237 and intercommunicating pore 238, communication groove 240 and intercommunicating pore 242.Particularly, access opening 234a is formed at atmos-valve to be held on the wall of distinguishing 232 tops, and forms the atmosphere path in proper order by following connection: via the connected chamber 234b of access opening 234a, the formed connected component 234c of the recess on the wall on connected chamber 234b top, be positioned at connected component 234c top connected chamber 234d, the formed connected component 236 of the recess on the wall on connected chamber 234d top and below be provided with the connected chamber 237 of intercommunicating pore 238.
The intercommunicating pore 238 that is penetrated into the front side from the rear side of box body 120 holds district 270 via communication groove 240 and intercommunicating pore 242 with atmospheric side and is communicated with, communication groove 240 is communicated with intercommunicating pore 238, and intercommunicating pore 242 is communicated with communication groove 240 and be penetrated into rear side from the front side of box body 120.
These atmospheric sides hold district 270, supply side holds district 290, atmos-valve part 250 and atmospheric side path and ink side path becomes a zone, by with thermal weld film 130 and 110 being installed to separation wherein on the wall in each district and with described zone and isolated from atmosphere.
Ink feed part 160 has with the lower part: containment member 12, to make by having the elastomer that inserts opening 26, and the ink feed pin that is arranged in the carriage 42 inserts in the described insertion opening 26; Supply valve 13 is with insertion opening 26 sealings of containment member 12; With promote member, form by the helical spring of supply valve 13 being pushed to containment member 12 etc.In addition, during fabrication, film 604 is installed on the insertion opening 26 of containment member 12.
When on the carriage 42 that print cartridge 100 is installed in inkjet recording device, the jut that is arranged in carriage 42 is via film 132, the stem portion 264 of atmos-valve is upwards promoted, and the ink feed pin of carriage 42 is with the upwards promotion of supply valve 13 of ink feed part 160.Therefore, intercommunicating pore 239 allows that holding district's 232 plasmas channels that extend to intercommunicating pore 242 from atmos-valve is communicated with atmosphere.And, in the ink feed part 160 than supply valve 13 more the part of upstream be communicated with the ink feed pin.
When to operating with the inkjet recording device under the state that atmosphere is communicated with, when writing down, supply ink by the ink feed pin to record head from ink feed part 160 at intercommunicating pore 242.When from ink feed part 160 supply inks, ink is by arrow shown in Figure 6 aThe order of holding the access opening 918 in district 111 with ink flows, by arrow shown in Figure 6 b, cWith dOrder flow via ink feed control device 150, flow in the ink feed part 160, and be supplied to the ink feed pin that inserts in the ink feed part 160.
According to flowing of this ink, hold in the district 111 at ink, the ink feed that atmospheric side is held district 270 holds district 290 to supply side.The ink that holds in the district 270 along with atmospheric side is consumed, and atmosphere is by pressing the arrow among Fig. 6 f, the bottom surface connected component 224 and arrow gThe route of order, flow into atmospheric sides from intercommunicating pore 242 and hold the district 270.Though because ink is offered record head and makes atmospheric side hold the liquid level decline in district 270 from ink feed part 160, but holding district 270 and supply side with atmospheric side holds district's 290 passages that are connected and holds district's foot of 270 at atmospheric side and be provided with open communication, make atmosphere can not flow into supply side and hold in the district 290 that the whole ink transfer in atmospheric side being held district 270 are held the district to supply side.
Hold after the ink of district in 270 all consume at atmospheric side, supply side holds the ink that first and second inks in district 290 hold in the district 292 and 294 and consumes in this order.During this period, owing to holding district 270 with atmospheric side and supply side holds the caused surface tension of ink meniscus that forms in district's 290 second ink entrances 162 that are communicated with, prevented that supply side from holding ink in the district 290 and flowing back into atmospheric side and hold and distinguish 270.
When beginning to consume first ink when holding ink in the district 292, air flows into first ink to be held in the district 292.Therefore, first ink holds the liquid level decline in the district 292, only is communicated with by connected component 276 at foot but first and second inks hold district 292 and 294, and feasible first ink of consumption earlier holds the ink in the district 292.When because consume that first ink holds the ink in the district 292 when making liquid level arrive connected component 276, air is consumed and flows into second ink and hold in the district 294 along with second ink holds ink in the district 294.When consuming second ink and holding district's 294 ink inside, produce by the caused surface tension of ink meniscus in the connected component 276, prevent that therefore second ink from holding ink in the district 294 and flowing back into first ink and hold in the district 292.
As mentioned above, though atmospheric side holds district's 270 and first and second inks and holds the ink of district in 292 and 294 and consume in this order, even but at any liquid level that all has ink in the district that holds, ink also from connected component 278 via path 300, be fed in the middle of the ink feed part 160 by access opening 918, connected component 278 is arranged on and ink is held the district is approximate to be divided into up and down near the two-part wall 272.
As shown in Figure 6, intercommunicating pore 242 can be provided with check-valves 90, is used to allow that atmosphere is sent to atmospheric side from intercommunicating pore 242 and holds district 270, and prevents that ink from holding district 270 from atmospheric side and being sent to intercommunicating pore 242.An example of check-valves 90 is diaphragm valves.In the case, an edge of rectangular film is fixed, and covers intercommunicating pore 242 to hold district's 270 sides from atmospheric side, and with other three edge designs for moving freely.Therefore, can prevent that ink from holding district 111 from ink and escaping to intercommunicating pore 242.
Fig. 9 is the decomposition diagram on every side that the intercommunicating pore 239 of atmos-valve and box body 120 is shown.Atmos-valve 254 has with the lower part: leader 258, and cylindrical substantially, helical spring 255 is inserted thereon; Plate-like part 260 is positioned at the end of leader 258 1 sides; Hermetic unit 262 at plate-like part 260 places, stretches out ringwise to the opposition side of leader 258; With stem portion 264, the opposition side of mind-set leader 258 extends from plate-like part 260.Leader 258 is provided with notch part 266, and notch part 266 is inserted helical spring 255 from leader side incision forms.Plate-like part 260 has the shape of its diameter greater than the dish of leader 258, and is promoted sealing around the connected entrance 239 by helical spring.As the example of hermetic unit related to the present invention, hermetic unit 262 stretches out ringwise, to surround the periphery of rectangular connected component 239.In the present embodiment, inwardly terminal and protruding twice (viewgraph of cross-section is " M " shape) of ringwise hermetic unit 262, it is big that the power of sealing becomes thus.Stem portion 264 is cylindrical substantially and extend to and exceed hermetic unit 262, and the diameter of this stem portion 264 is greatly to the inside of the rectangular intercommunicating pore 239 of similar contact.Atmos-valve 254 except that hermetic unit 262 comes mold with for example polypropylene, and hermetic unit 262 comes mold formed with for example elastomer.Come these are carried out Unitarily molded shaping to molding method (dichroic molding) by two looks.But the structure of hermetic unit 262 is not limited to this, and hermetic unit 262 can form the O type ring that is separated with atmos-valve 254.
Hereinafter, the atmos-valve that how explanation is contained in atmos-valve 254 box body 120 holds in district or the chamber 232.At first, in the leader 258 insertion helical springs 255 with atmos-valve 254, and first end of helical spring 255 contacts with plate-like part 260.Second end of helical spring 255 is depressed by instrument, and makes helical spring 255 contractions be shorter than leader 258 up to it.In the case, assembly tool is inserted in the notch part 266, and at the instrument place temporary transient stop helical spring 255 and atmos-valve 254.By the stem portion 264 of atmos-valve 254 is inserted in the intercommunicating pore 239, just will be contained in the atmos-valve container cavity 232 by the helical spring 255 of the temporary transient stop of instrument and atmos-valve 254.
Under the situation that the stem portion 264 of atmos-valve 254 is inserted in the intercommunicating pore 239, remove assembly tool from notch part 266.Therefore, helical spring 255 is released, and is maintained between the wall part 269 of the plate-like part 260 of atmos-valve 254 and atmos-valve container cavity 232.Therefore, helical spring 255 is pushed atmos-valve 254 to intercommunicating pore 239 with sealing intercommunicating pore 239.Because helical spring 255 promotes atmos-valve 254, hermetic unit 262 sealings also cover intercommunicating pore 239, and ink holds district 111 and atmospheric isolation.
As mentioned above, owing under the state that can insert helical springs 255 assembly tool being inserted in the notch part 266, can easily atmos-valve 254 and helical spring 255 be inserted in the print cartridges 100 at the leader 258 of atmos-valve 254.In addition, can increase the stroke of the helical spring 255 of compression, making may be to push atmos-valve 254 to a direction than the bigger motive force of use sheet spring, with sealing intercommunicating pore 239.
And as shown in Figure 9, stem portion 264 has circular cross section, and the shape approximation of intercommunicating pore 239 is rectangles, thereby the stem portion 264 of atmos-valve 254 contacts at four some places with intercommunicating pore 239 internally.Therefore, under this state, accurately determined the position of atmos-valve 254, and do not had becoming flexible for intercommunicating pore 239.In addition, owing between the point that intercommunicating pore 239 and stem portion 264 contact with each other, air flue is arranged, when hermetic unit 262 is opened intercommunicating pore 239, can reduce the resistance that passes through to the atmosphere that flows through intercommunicating pore 239.
Figure 10 is the carriage 42 of inkjet recording device and the perspective view that is installed in the print cartridge 100 on the carriage 42.Figure 11 and Figure 12 illustrate the viewgraph of cross-section that how carriage 42 is installed on the print cartridge 100.Figure 11 and Figure 12 simplify and show the carriage 42 of print cartridge 100.
As shown in figure 10, carriage 42 has the shape of upper surface for open box substantially, and supports a plurality of print cartridges of installing from upper surface 100.In the embodiment shown in fig. 10, the inboard of carriage 42 is provided with three ribs 33.Between these ribs 33, and between the side of rib 33 and carriage 42, three colour ink boxes and a black print cartridge with thickness different with other print cartridge with mutually the same shape have been installed.
Inserting ink feed pin 50 in the ink feed part 160 is arranged on the bottom surface of carriage 42 inboards and is positioned on the position of ink feed part 160 when print cartridge 100 has been installed.Ink feed pin 50 with shape of the tapered hollow needle in termination will be supplied from the ink feed of ink feed part 160 and give record head.In addition, the contact member 60 that atmos-valve 254 is upwards promoted is arranged on the bottom surface of carriage 42 inboards, and be located at when print cartridge 100 is installed and position that the atmos-valve 254 of print cartridge 100 is faced on.
Groove part 37 that is meshed with the projection 20 of engagement lever 180 and the engagement recessed portion 38 that is meshed with spike part 19 are arranged on the side of carriage 42 in the face of engagement lever 180.Groove part 37 is provided with the groove part 37a of top towards print cartridge 100 side broads.When print cartridge 100 was installed, these groove part 37 guiding were formed at the projection 20 of engagement lever 180 two sides, under the state that print cartridge 100 has been installed, will mesh the outside that print cartridge 100 was opened and be supported on to lever 180 in addition.
Guiding recessed portion 39 is arranged on groove part 37 downsides of carriage 42.Guiding recessed portion 39 holds the guide protrusion part 11 of print cartridge 100 when inserting carriage 42 in that print cartridge 100 is deep, and under the state that print cartridge 100 is installed, prevents longitudinally loosening of print cartridge 100.
As shown in figure 11, keeper 40 is arranged on carriage 42 place, side in the face of the memory 170 of print cartridge 100, its have the upper end 40a that is connected with the side of carriage 42 and with the contacted lower end of installed surface 190a of the coupling part 190 of print cartridge 100.Elastic Contact point 41 is provided with to such an extent that be lower than keeper 40, to electrically contact with the terminal 171 that is installed on the memory 170 on the coupling part 190.
As shown in figure 11, when print cartridge 100 was positioned at carriage 42 tops, coupling part 190 contacted with keeper 40.In the case, when further print cartridge 100 being pushed away downwards, keeper 40 is connected part 190 extruding and deformation takes place, and coupling part 190 further moves down by keeper 40.In this stage, the projection 20 of engagement lever 180 both sides of print cartridge 100 is by groove part 37a guiding, and guide protrusion part 11 enters in the middle of the guiding recessed portion 39 in addition.
In addition, when pushing print cartridge 100, ink feed pin 50 enters in the ink feed part 160, and resistance promotes the motive force of member 14 with upwards extruding of supply valve 13, contact member 60 makes atmos-valve 254 open intercommunicating pore 239 via film 132 extruding atmos-valves 254 simultaneously.
Because the direction that moves of atmos-valve 254 is parallel to print cartridge 100 is installed to direction on the carriage 42 of inkjet recording device, along with the installation of print cartridge 100, reliably with upwards extruding of atmos-valve 254.In addition, because the profile of print cartridge 100 is vertically long on the direction that print cartridge 100 is installed, can under the situation that does not prolong print cartridge 100 width, increase the stroke that atmos-valve moves.In addition, because atmos-valve 254 is arranged near the coupling part 190 of read-only storage 170, can accurately locate atmos-valve 254 and contact member 60 by memory 170 is placed against carriage 42, to communicate with atmosphere reliably.
As shown in figure 12, when print cartridge 100 was pushed into the bottom surface of carriage 42, engagement lever 180 rotated after spike part 19 is by engagement recessed portion 38, fell in the engagement recessed portion 38 in the strong elastic effect, and sent big click sound.Therefore, the user can confirm whether print cartridge 100 has been installed on the carriage 42 reliably.
Figure 13 is the viewgraph of cross-section that another example of the print cartridge 100 that is installed on the carriage 42 is shown.Image pattern 11 is the same with Figure 12, and Figure 13 has also simplified print cartridge 100 and carriage 42, makes for the purpose of illustration, has omitted the relation of the engagement lever 180 of print cartridge 100 with respect to carriage 42.In the carriage 42 in Figure 13, to Figure 11 in carriage 42 identical construction provided identical label, and will omit explanation to it.
In Figure 13, print cartridge 100 is rotating and is being installed on the carriage 42.At first, when print cartridge 100 is installed on the carriage 42, the upper surface of coupling part 190, promptly the memory 170 of print cartridge 100 surface of being installed contacts with the bottom surface of the contact portion 70 of carriage 42.Then, with the upper surface of coupling part 190 and the contact point between the contact portion 70 as point O, by with print cartridge along arrow among the figure ADirection rotate and print cartridge 100 be installed on the carriage 42.
In print cartridge 100, the stem portion 264 of atmos-valve 254 is provided with than the supply valve 13 of ink feed part 160 points of proximity more OIn addition, in print cartridge 100, angle θ 1 is less than angle θ 2, and wherein angle θ 1 is to be axle with an O, the angle that upper surface became of the lower end of the stem portion 264 of atmos-valve 254 and the contact member 60 of carriage 42; Angle θ 2 is angles that the upper end became of bottom surface and ink feed pin 50 of the supply valve 13 of ink feed part 160.Therefore, print cartridge 100 angle (θ 1) of the rotating angle (θ 2) of rotating for supply valve 13 is contacted with ink feed pin 50 less than print cartridge 100 for atmos-valve 254 is contacted with contact member 60.Therefore, when print cartridge 100 around point OWhen being installed on the carriage 42 during rotation, with before supply valve 13 contacts, contact member 60 just contacts with stem portion 264, makes that atmos-valve 254 is upwards pushed at ink feed pin 50.Therefore, atmos-valve 254 holds district 111 at ink feed pin 50 and ink and is upwards pushed before linking to each other, thereby can allow that ink holds distinguishes 111 and be communicated with atmosphere.
Next will another embodiment of atmos-valve of the present invention be described.
Figure 14 A, 14B and Figure 15 show the atmos-valve that relates to another embodiment of the present invention and are used to hold the structure of the atmos-valve container cavity of atmos-valve, and Figure 14 A and Figure 14 B are the perspective views that the atmos-valve 254 with needle-like part 267 is shown.In this atmos-valve 254, to Fig. 9 in identical construction provided identical label, and be not described.
Needle-like part 267 shown in Figure 14 A and Figure 14 B is stretched out and is exceeded leader 258 from a side opposite with stem portion 264, and has the sharp-pointed end of shape.The needle-like part 267 of present embodiment is the example of apparatus for breaking among the present invention.
Figure 15 is the enlarged cross-sectional view of example of atmos-valve container cavity 232 that accommodates the print cartridge 100 of the atmos-valve 254 among Figure 14 A.In the atmos-valve container cavity 232 in Figure 15, the part identical with atmos-valve 250 among Fig. 6 provided identical label, and be not described.
Atmos-valve container cavity 232 shown in Figure 15 has the shape of hollow cylinder, and has the interior diameter that the overall diameter of the plate-like part 260 of approximate and atmos-valve 254 equates.Atmos-valve container cavity 232 also has the path 252a along above-below direction among the figure at the place, side of cylinder.
Atmos-valve 254 is set like this, so that needle-like part 267 is in the face of wall part 269 sides of atmos-valve container cavity 232.Sealing film 263 is installed on wall part 269 and sentences in the face of needle-like part 267.This sealing film 263 is blocked between atmos-valve container cavity 232 and the connected chamber 234b.By sealing film 263, can prevent to be contained in that ink holds that ink in the district 111 escapes to atmos-valve but not connected chamber 234b in using.
Containment member 261 is installed on the relative side of atmos-valve container cavity 232 and wall part 269, and containment member 261 is made up of the elastic component that heart place therein has bore portion 261a.Having less than the stem portion 264 of the diameter of bore portion 261a of atmos-valve 254 stretched out from the bore portion 261a of containment member 261.Helical spring 255 is pushed plate-like part 260 to containment member 261.Therefore, plate-like part 260 contacts with containment member 261, and under this state, atmos-valve 254 is blocked between atmos-valve container cavity 232 and the connected component 224.
In addition, as the foregoing description, film 132 is with the outer side seal of stem portion 264, to be formed for the space of connected component 224 with atmospheric isolation.This space is communicated with atmosphere via intercommunicating pore 253.After film 132 is installed on connected component 224, the instrument that heated is applied thereto, and atmos-valve 254 upwards is pushed to a position via film 132, film 132 will be expanded like this, in described position, the contact member 60 of carriage 42 is communicated with by atmos-valve 254 upwards being promoted to allow atmos-valve container cavity 232 and connected component 224.Therefore, film 132 has sweep makes contact member 60 atmos-valve 254 upwards to be promoted via film 132, allows that up to atmos-valve 254 atmos-valve container cavity 232 and connected component 224 communicate with each other.Therefore, when the contact member 60 of carriage 42 upwards promotes atmos-valve 254 via film 132, prevented that film 132 from breaking.In addition, can reduce the resistance of extrusion film 132.
When being installed to print cartridge 100 on the carriage 42, the contact member 60 of carriage 42 contacts with the stem portion 264 of atmos-valve 254, and the thrust of resistance helical spring 255 upwards promotes atmos-valve 254.Therefore, the plate-like part 260 of atmos-valve 254 is separated with hermetic unit 261, and atmos-valve container cavity 232 communicates with each other by path 252a with connected component 224.
When factory delivered, in print cartridge 100, wall part 269 was equipped with sealing film 263.After sending from factory, when being installed to print cartridge 100 on the carriage 42 for the first time, as mentioned above, atmos-valve 254 is pushed upwardly, thereby the needle-like part 267 of atmos-valve 254 penetrates sealing film 263.Therefore, atmos-valve container cavity 232 communicates with each other with connected chamber 234b.When being installed to print cartridge 100 on the carriage 42 for the first time, by needle-like part 267, sealing film 263 is punctured reliably.
Figure 16 is the front perspective view of print cartridge 500 in accordance with another embodiment of the present invention.Figure 17 is the zoomed-in view that cross section, A-A bottom among Figure 16 is shown.In print cartridge shown in Figure 16 500, to having provided identical label to print cartridge 100 identical construction shown in Figure 8, and be not described with Fig. 1.
Print cartridge 500 among Figure 16 is to the difference of print cartridge 100 shown in Figure 8 that with Fig. 1 promotion member container cavity 652 is arranged on the below of the atmosphere valve pocket 669 that holds atmos-valve 650, is used to hold the atmos-valve that atmos-valve 650 is upwards promoted and promotes member 654.
As shown in figure 17, the atmosphere valve pocket 669 of print cartridge 500 forms the box body 120 that is associated with film 130.Film 130 is with atmos-valve 669 sealings, and lid 140 is installed on its outside, thereby prevents film breaks.Atmos-valve connected component 624 is formed at the place, bottom surface of atmosphere valve pocket 669.Atmos-valve 650 and helical spring 656 insert atmosphere valve pocket 669 inside together.Atmos-valve 650 is formed as one by core and elastic valve body, and described core is made by harder material, for example polypropylene; Described elastic valve body is arranged on described core periphery, and is made by softer material, for example elastomer.Helical spring 656 utilizes elastic force to push atmos-valve 650 periphery of atmos-valve connected component 624 to, so atmos-valve 650 is with 624 sealings of atmos-valve connected component.The stem portion that be arranged on atmos-valve 650 lower ends, has a minor diameter reaches the promotion member container cavity 652 that is arranged in atmosphere valve pocket 669 bottoms from atmos-valve connected component 624.
In promoting member container cavity 652, upper surface and four sides form box body 120, and it has the hollow space that is the prism shape, and its bottom surface is opened to hold atmos-valve in this hollow space and promoted member 654.Form the box body of making by animi resin 120 owing to promote four sides of member container cavity 652, can reduce atmos-valve and promote the loosening of member 654.Promote member 654 at atmos-valve and be contained under the state of described hollow space, film 480 is installed on and is sealed in the place, bottom surface of the hollow space that promotes member container cavity 652.After film 480 being installed on the place, bottom surface that promotes member container cavity 652, put on the film 480 with the instrument that heated, and via film 480 atmos-valve is promoted member 654 and upwards be pushed to a position, film 480 has been expanded like this, in described position, atmos-valve promotes member 654 by atmos-valve 650 is upwards promoted to open atmos-valve connected component 624.Therefore, film 480 has sweep makes contact member 60 atmos-valve to be promoted upwards promotion of member 654 via film 480, opens atmos-valve connected component 624 up to atmos-valve 650.Therefore, when the contact member 60 of carriage 42 promotes atmos-valve member 654 and upwards promotes via film 480, prevented that film 480 from breaking.In addition, can reduce the resistance of pushing film 480.
Figure 18 is the part perspective view of the promotion member container cavity 652 among Figure 16.In addition, for the purpose of illustration, wall surface 222a is illustrated as rupturing.Be positioned at the top of the side of the connected component 222 that promotes member container cavity 652 as the access opening 652b of the example of retaining part intercommunicating pore, and be communicated with the hollow space and the connected component 222 that promote member container cavity 652.
Therefore, under the state that atmos-valve promotion member 654 upwards promotes atmos-valve 650, air flows into atmospheric side via following order and holds district 270: the intercommunicating pore 218 that is communicated with atmosphere, connected component 222, access opening 652b, promotion member container cavity 652, atmos-valve connected component 624, intercommunicating pore 238 and intercommunicating pore 242.
Above-mentioned film 130 is installed on the outside of the side 652a that promotes member container cavity 652, forms chamber 652c like this.The top of chamber 652c is communicated with connected component 222 by recess 652d.Therefore, when the air among the 652c of chamber expands, can prevent that film 130 and box body 120 from separating.
Figure 19 is the perspective view that atmos-valve promotes member 654.Atmos-valve promotes member 654 to have with the lower part: main part 654c, extend downwards and have a criss-cross cross section; The upper surface portion 654a of dish type is arranged on the top of main part 654c; With bottom surface portions 654b, atmos-valve promotes member 654 and is formed by for example injection molded with resin etc.Be cross by the cross section that makes main part 654c, compare, can reduce the shrinkage cavity of upper surface portion 654a during injection molded with the situation of cylinder with diameter identical with upper surface portion 654a.In addition, when forming atmos-valve promotion member 654 by the injection molded method, the recess of main part 654c shown in Figure 19 becomes cast gate.
The upper surface portion 654a that atmos-valve promotes member 654 contacts with the end portion of atmos-valve 650 in the position of departing from upper surface portion 654a center.Therefore, can allow that the upper surface portion 654a of atmos-valve promotion member 654 reliably contacts with the end portion of atmos-valve 650, avoid described center, not worry like this during injection molded, promoting the shrinkage cavity of member 654 and forming recessed portion by atmos-valve.
According to above these structures, promote member container cavity 652 and be arranged on atmos-valve 254 and atmos-valve connected component 624 belows, and be positioned at atmospheric side rather than atmosphere connected component 624 places, though make ink flow into the periphery of atmos-valve 254, ink flows to downwards by atmos-valve connected component 624 and promotes member container cavity 652.Therefore, promote member container cavity 652, compare, can reduce the resistance that passes through of the atmosphere that flows through atmos-valve connected component 624 with the situation that ink is remained on atmos-valve connected component 624 peripheries also as liquid retaining part of the present invention.In addition, because access opening 652b is positioned at the top of the side that promotes member container cavity 652, can prevents to remain on the ink that promotes in the member container cavity 652 and from promote member container cavity 652, flow out.
According to the present invention, the ink that can prevent to be contained in print cartridge 100 or 500 flows out from print cartridge 100 or 500, and when print cartridge 100 or 500 is installed on the carriage 42 of inkjet recording device, holds district 111 by the ink that atmos- valve 254 or 654 is upwards promoted reliably allow print cartridge 100 and be communicated with atmosphere.
Though describe the present invention, should be appreciated that those skilled in the art can carry out multiple change and replacement under the situation that does not break away from the spirit and scope of the present invention by exemplary embodiment.The spirit and scope of the present invention can only be limited by claims.

Claims (13)

1. a fluid cartridge is supplied pin to described liquid injection apparatus supply liquid by the liquid of described liquid injection apparatus when being used on being installed in liquid injection apparatus, and described fluid cartridge comprises:
The liquid containing district is used for receiving fluids;
The liquid supply section, the district is communicated with described liquid containing, and described liquid supply section comprises that the liquid supply pin of described liquid injection apparatus inserts opening wherein;
Atmos-valve, be used to seal the intercommunicating pore of allowing that described liquid containing district is communicated with atmosphere, when described fluid cartridge was installed on the described liquid injection apparatus, described atmos-valve moved along inserting the parallel direction of the direction of described opening of described liquid supply section with described liquid supply pin substantially; With
The chamber is arranged on described atmos-valve and described intercommunicating pore below, than the position of the more close atmosphere of described intercommunicating pore;
Wherein, the described opening of the contact portion of the described fluid cartridge that contact member contacted of described liquid injection apparatus and described liquid supply section is arranged on the same side of described fluid cartridge; The described contact portion of described fluid cartridge seals described chamber; And the described contact mechanism of described atmos-valve and described liquid injection apparatus moves explicitly.
2. fluid cartridge as claimed in claim 1 also comprises helical spring, is used for pushing described atmos-valve to described intercommunicating pore to seal described intercommunicating pore.
3. fluid cartridge as claimed in claim 2, wherein said atmos-valve comprises:
Leader, roughly cylindrical, and insert in the described helical spring; With
The plate-like part has the diameter greater than described leader, and is promoted to seal described intercommunicating pore by described helical spring; And
Notch part is arranged on described guide portion office, from inserting described helical spring side incision.
4. fluid cartridge as claimed in claim 1, wherein said atmos-valve comprises:
Hermetic unit is pushed to seal described intercommunicating pore; With
Stem portion is extended from described hermetic unit, inserts in the described intercommunicating pore and contacts described intercommunicating pore inside in a plurality of positions, wherein
Between described stem portion and described intercommunicating pore, form the slit.
5. fluid cartridge as claimed in claim 1, the described contact portion of wherein said fluid cartridge comprises film, and described atmos-valve is by being promoted to be moved via the described film with sweep by described contact member.
6. fluid cartridge as claimed in claim 1, wherein said chamber comprises the liquid retaining part, is used for keeping the liquid that flows out from described intercommunicating pore.
7. fluid cartridge as claimed in claim 6 wherein is provided with the retaining part intercommunicating pore on the top of described liquid retaining part, is communicated with the described intercommunicating pore in described liquid containing district to allow atmosphere.
8. fluid cartridge as claimed in claim 6, wherein said liquid retaining part comprise the hollow space that open the bottom surface and be used to seal the described contact portion of described hollow space, and
Described fluid cartridge comprises that also atmos-valve promotes member, this atmos-valve promotes member and is contained in the described hollow space of described liquid retaining part, be used for assigning to described atmos-valve is upwards promoted via described contact site by being formed at the described contact member at described liquid injection apparatus place.
9. fluid cartridge as claimed in claim 8, wherein said contact portion possesses sweep, so that the described contact member of described liquid injection apparatus can upwards promote described atmos-valve via described contact portion, opens described intercommunicating pore up to described atmos-valve.
10. fluid cartridge as claimed in claim 9, described contact portion comprises film.
11. fluid cartridge as claimed in claim 1 also comprises the coupling part that memory is mounted thereon, a side of this coupling part is located by described liquid injection apparatus, wherein
Described atmos-valve device is arranged near the described coupling part.
12. a fluid cartridge, to described liquid injection apparatus supply liquid, described fluid cartridge comprises when being used on being installed in liquid injection apparatus:
The liquid containing district is used for receiving fluids;
The liquid supply section, the district is communicated with described liquid containing, and when described fluid cartridge was installed on the described liquid injection apparatus, described liquid supply section was communicated with the record head of described liquid injection apparatus;
Atmos-valve is used to open and close the intercommunicating pore of allowing that described liquid containing district is communicated with atmosphere; With
Containment member is arranged on the position than the more close atmospheric side of described atmos-valve;
Wherein said atmos-valve comprises:
The plate-like part has the diameter less than the internal diameter of described intercommunicating pore;
Tubular portion, the inwall from described plate-like part along described intercommunicating pore extends, and forms passage between described inwall and described tubular portion;
Spring member is arranged in the described tubular portion and with described plate-like and partly pushes described containment member to contact with described containment member; With
Stem portion partly extends to atmospheric side from described plate-like; And
Wherein, when described fluid cartridge is installed on the described liquid injection apparatus, described stem portion is promoted by the contact portion of described liquid injection apparatus, and resist the motive force of described spring member and promote described plate-like part, make described plate-like partly not become and contact, and atmosphere flows into described liquid containing district by described passage with described containment member.
13. fluid cartridge as claimed in claim 12, wherein said atmos-valve is positioned at the same side of described liquid supply section.
CN200710145331A 2002-12-10 2003-12-08 Liquid cartridge Expired - Fee Related CN100584621C (en)

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JP2002358762 2002-12-10
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