CN2875810Y - Ink box for ink jet printing machine - Google Patents

Ink box for ink jet printing machine Download PDF

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Publication number
CN2875810Y
CN2875810Y CN 200620008420 CN200620008420U CN2875810Y CN 2875810 Y CN2875810 Y CN 2875810Y CN 200620008420 CN200620008420 CN 200620008420 CN 200620008420 U CN200620008420 U CN 200620008420U CN 2875810 Y CN2875810 Y CN 2875810Y
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CN
China
Prior art keywords
ink
storage chamber
pressure
described ink
ink storage
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Expired - Lifetime
Application number
CN 200620008420
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Chinese (zh)
Inventor
刘兴相
黄振超
李贵清
陈达飞
余青松
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Print Rite Technology Development Co Ltd of Zhuhai
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Print Rite Technology Development Co Ltd of Zhuhai
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Priority to CN 200620008420 priority Critical patent/CN2875810Y/en
Application granted granted Critical
Publication of CN2875810Y publication Critical patent/CN2875810Y/en
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Abstract

The utility model relates to an ink box of an ink jet printer and comprises at least one ink container, an ink feeding orifice and a balance orifice; wherein a basketball valve is provided in the ink passage connecting the ink feeding orifice and the ink container. When the pressure in the ink container is higher than that in the ink feeding orifice, the basketball valve opens the ink passage; when the pressure in the ink container is lower than that in the ink feeding orifice, the basketball valve will shut down the passage. A pressure adjusting passage with a basketball valve in is arranged between the ink feeding orifice and the ink container. When the pressure in the ink container is higher than that in the ink feeding orifice, the basketball valve in the pressure adjusting passage will shut down the pressure adjusting passage; when the pressure in the ink container is lower than that in the ink feeding orifice, the basketball valve in the pressure adjusting passage will open the adjusting passage. The utility model has the advantages of effectively preventing ink leakage during alternation and avoiding the print head from the damage caused by ink overpressure.

Description

Cartridge of ink-jet printer
Technical field
The utility model relates to for example ink-feeding device of print cartridge of using of ink-jet printer and so on of ink jet recording device, particularly insert in the print cartridge ink outlet port by the ink supply pin that will have black fluid through-hole, the ink supply needle-penetration the ink outlet port end along or the inner chamber diaphragm seal or the diaphragm seal that are provided with, the mode that makes black liquid flow into the black fluid through-hole the ink supply pin from ink outlet port realizes the print cartridge of ink supply.
Background technology
With the matching used print cartridge of ink-jet printer, its primary structure comprises the ink storage chamber that is used to store ink, keeps the pore of air pressure balance with external environment condition, to the ink outlet port of the printhead ink supply of printer.In print procedure, in order to keep the sealed storage requirement of normal black liquid supply and ink, must make the ink in the print cartridge be in suitable negative pressure state, for realizing that this kind state adopts the technical measures of dual mode usually, in ink storage chamber, insert porous class material first, for example cavernous body keeps the ink sealing by capillary effect; Second utilize self frame for movement of print cartridge, be aided with suitable seal part or check valve.
In the ink-jet printer running, the print cartridge supporting with it, utilize print cartridge self frame for movement and do not use the print cartridge of sponge kind porous class thing especially merely, one of inking mode that it is common, insert in the print cartridge ink outlet port by the ink supply pin that will have black fluid through-hole exactly, the ink supply needle-penetration the ink outlet port end along or the inner chamber diaphragm seal or the diaphragm seal that are provided with, make black liquid flow into from ink outlet port that the mode of the black fluid through-hole the ink supply pin realizes.Usually the ink supply pin adopts hardness or the very large metal material preparation of intensity, and print cartridge then adopts hardness or the bigger plastics preparation of intensity.Therefore, ink supply pin and print cartridge all have bigger rigidity, and plasticity is relatively poor.Under this state, between ink supply pin and print cartridge, realize the transmission of black liquid, can also prevent that black liquid from leaking, and also must be equipped with necessary seal means simultaneously between ink supply pin and print cartridge ink outlet port.Common seal means normally is provided with sealing ring in ink supply port.Early stage ink-cases of printers often uses its middle part to have the sealing ring of through hole.But this sealing ring banding ink supply pin shank outer surface provides black liquid sealing function between shank and print cartridge ink outlet port, and the black liquid in the print cartridge can only be flowed out by the black fluid through-hole from the ink supply pin.This print cartridge frame mode, because sealing ring itself has through hole, cause in the print cartridge process is installed, can produce a spot of black liquid when removing the ink outlet port diaphragm seal reveals, and when the dismounting print cartridge, residual China ink in the print cartridge also can flow out by the self sealss ring through hole, forms working environment easily and pollutes, and stains recording mediums such as paper.Simultaneously since the ink supply pin inserting or extracting out in the print cartridge ink outlet port in a flash, can in ink outlet port, form bigger moment supercharging or the negative pressure of numerical value, cause ink excessive along the slit between the print cartridge member, perhaps return and scurry in the black chamber of storage along print cartridge inner chamber pipeline, perhaps be pressed into nozzle along ink supply pin internal ink road, reduce print quality, or damage printhead.
The utility model content
The utility model purpose is to provide a kind of can effectively the alleviation because of the ink supply pin to insert or withdraw from the ink-jet printer cartridge that the print cartridge ink outlet port causes the ink outlet port chamber pressure sharply to increase or reduce.
The utility model ink-jet printer cartridge comprises: at least one ink storage chamber, ink supply port and balance pipe.Ink storage chamber is used to hold and lay in ink.Ink supply port is positioned on the sidewall of print cartridge, is connected with ink storage chamber, is used for cooperating with the ink supply pin of ink-jet printer, to ink supply pin supply ink.Balance pipe is positioned on the sidewall of print cartridge, is communicated with ink storage chamber and atmosphere outside, under the state of ink storage chamber because of supply ink formation negative pressure gas is introduced ink storage chamber.To the ink interface channel of ink storage chamber, be provided with the basketball valve at ink supply port.Pressure in ink storage chamber is during greater than the pressure in the ink supply port, the basketball opening of valves ink interface channel in the ink interface channel; Pressure in ink storage chamber is during less than the pressure in the ink supply port, and the basketball valve in the ink interface channel cuts out the ink interface channel.Between ink supply port and ink storage chamber, also be provided with pressure regulator channel.In this pressure regulator channel, be provided with the basketball valve.Pressure in ink storage chamber is during greater than the pressure in the ink supply port, and the basketball valve closing presure in the pressure regulator channel is regulated passage; Pressure in ink storage chamber is during less than the pressure in the ink supply port, and the basketball valve opening pressure in the pressure regulator channel is regulated passage.
Above-mentioned ink-jet printer cartridge preferably is provided with a gas buffer chamber on a section of pressure regulator channel, balance pipe is communicated with ink storage chamber through this gas buffer chamber.So can further strengthen cushioning effect to the variation of ink storage chamber internal pressure.
Above-mentioned ink-jet printer cartridge can also be provided with an ink buffer chamber on a section of ink interface channel, ink supply port is communicated with ink storage chamber through this ink buffer chamber.So also can further strengthen cushioning effect to the variation of ink storage chamber internal pressure.
Above-mentioned ink-jet printer cartridge can be positioned at ink interface channel a section near ink storage chamber by the preferred ink cushion chamber.Basketball valve in the ink interface channel can extend like this to the distance of ink storage chamber, with this section lengthening distance further the pressure in the slowly-releasing ink storage chamber change.
Another optimisation technique scheme of above-mentioned ink-jet printer cartridge is provided, and the basketball valve in its ink interface channel is connected with ink storage chamber through one section inking groove that is positioned on the print cartridge outer wall.The effect of inking groove is similar to the effect of aforementioned lengthening ink interface channel.
Existing sponge-free ink box is on being mounted to printer the time, and the ink supply pin pierces through the ink outlet port diaphragm seal and enters in the ink outlet port in the extremely short time.Because the volume in the ink outlet port is less relatively, the ink supply pin that inserts in it will cause the compression shock of big numerical value in short-term to the ink in the ink outlet port.The pressurized ink will follow that associated pipe discharges its increased pressure in the slit at ink outlet port position or the ink outlet port, promptly along the liquid road between ink storage chamber and ink outlet port, ink outlet port to the sealing off gap of box body outside and the ink flow line of printhead inside transmit.In the excessive situation of pressure, liquid road between ink storage chamber and ink outlet port and the ink outlet port sealing to the sealing off gap of box body outside will be destroyed, the lighter forms black liquid and reveals, and pollutes work top or printer, and the sealing property that weight person damages the ink interface channel causes print cartridge to scrap; Perhaps cause the ink flow duct of printhead inside excessive and impaired because of pressure.The utility model is promptly at this problem, the print cartridge that is applied to ink-jet printer with pressure relief function is provided, in print cartridge, be provided for the basketball valve that to adjust black road on off operating mode automatically of pressure release, the inherent ink supply pin of ink outlet port is inserted to be caused when ink pressure increases, can be along the pressure regulator channel at basketball valve place, the pressure augmenting portion is released in the ink storage chamber, and keeps balance with outside atmosphere.Thereby ink outlet port produces the phenomenon of ink leak when having avoided effectively changing ink-jet printer cartridge, has also avoided printhead because of bearing the generation of the excessive phenomenon that is damaged of ink pressure effectively.
The drawing explanation
One of Fig. 1 the utility model ink-jet printer cartridge embodiment outward appearance perspective view illustrates a side structure of print cartridge.
One of Fig. 2 the utility model ink-jet printer cartridge embodiment outward appearance perspective view illustrates the side structure with respect to the print cartridge of Fig. 1.
One of Fig. 3 the utility model ink-jet printer cartridge embodiment internal structure schematic diagram.
One of Fig. 4 the utility model ink-jet printer cartridge embodiment cutaway view.
The used basketball valve arrangement schematic diagram of one of Fig. 5 the utility model ink-jet printer cartridge embodiment.
One of Fig. 6 the utility model ink-jet printer cartridge embodiment outward appearance perspective view illustrates the side structure of print cartridge by plastics glued membrane sealing corresponding recesses.
Two outward appearance perspective views of Fig. 7 the utility model ink-jet printer cartridge embodiment.
Two cutaway views of Fig. 8 the utility model ink-jet printer cartridge embodiment.
Three outward appearance perspective views of Fig. 9 the utility model ink-jet printer cartridge embodiment.
Three cutaway views of Figure 10 the utility model ink-jet printer cartridge embodiment.
The specific embodiment
Fig. 1,2,3,4,5,6 illustrates a kind of embodiment of the utility model ink-jet printer cartridge.This embodiment is positioned at the normal operating condition of the mode of the vertical bottom surface of print cartridge as print cartridge with ink supply port.
Referring to Fig. 1,2, the face shaping of ink-jet printer cartridge is shown from front and back.This print cartridge is made of lid 1 and box body 2.Lid 1 and box body 2 adopt the plastics preparation, and both are connected to an obturator by thermofussion welding or vibration melting welding, the inner corresponding chamber that forms.
Box body 2 is flat cuboid, on its two narrower vertical lateral surfaces, is furnished with positioning strip 212, position fixing handle 201 and chip installation area territory 203 respectively.Positioning strip 212 cooperates with the corresponding locating slot and the word railway carriage wall (not providing diagram) of ink-jet printer word car, and the location of print cartridge in horizontal plane is provided.Position fixing handle 201 is by the extended one section long bar in box body 2 above-mentioned sides, be positioned at the same side with positioning strip 212, itself has certain elasticity because of elongated end is in free state, and it provides the elastic acting force perpendicular to above-mentioned two vertical sides in horizontal plane.This active force acts on the corresponding vertical sidewall of ink-jet printer word car, makes print cartridge obtain three-dimensional localization.Chip installation area territory 203 is relative with side, position fixing handle 201 place, and it is provided for storing the installation position of the IC chip of ink relevant information.On the vertical bottom surface of box body 2, be provided with the ink supply port 202 that is communicated with box body inside.Usually, set up complementary spacer 2021 on the box body 2 around the ink supply port 202, its help ink supply port 202 in ink-jet printer word car with ink supply at being connected and avoiding infringement such as accident collision.On its comparatively broad vertical lateral surface, be provided with separate disconnected two grooves 204,205 mutually to this side indent.The two ends of groove 204,205 are passed through corresponding through hole 2041,2042,2051,2052 and box body internal communication respectively.After the open side with plastics glued membrane sealed groove 204,205, groove 204,205 promptly constitutes the pipeline to corresponding port or inner chamber inking.
Lid 1 can be considered as being cut apart by the vertical roof of box body 2 and obtain.Its outer surface is provided with the snakelike air drain 102 that its cross section is similar to groove 204,205.One end 101 of air drain 102 ends at lid 1 outer surface, and the other end is communicated with box body 2 inner corresponding inner chambers through the pore 104 that connects lid 1.The open side of same air drain 102 is sealed by the plastics glued membrane.In addition, also be provided with pouring ink hole 103 on the lid 1.In the situation of full ink injection, pouring ink hole 103 is sealed by the plastics plug.
Referring to Fig. 3,4, adopt the perspective fashion or the mode of dissecing that the internal structure of ink-jet printer cartridge is shown, at this state, lid 1 and box body 2 have constituted a complete print cartridge.In print cartridge inside, the print cartridge inner chamber is separated into gas buffer chamber 209 and ink storage chamber 206 by vertical or longitudinal baffle 213.
Gas buffer chamber 209 in its vertical bottom, through through hole 2042, groove 204 and the communicating pipe that the plastic seal film constitutes, finally feeds ink storage chamber 206 via through hole 2041; At its vertical top,, finally communicate with outside atmosphere via tracheae terminal 101 through air passing hole 104, snakelike air drain 102 and the tracheae that the plastic seal film constitutes.At full ink state, perhaps be marked with the brand-new print cartridge state of ink, gas buffer chamber 209 has the function of additional storage ink.In the user mode that the ink part is consumed, the ink of original deposit at first is inhaled in the ink storage chamber 206 in the gas buffer chamber 209, and the ink to gas buffer chamber 209 is exhausted.In the subsequent process that continues operation, ink storage chamber 206 negative pressure state occurs along with the continuous consumption of ink in it, the tracheae that gas soon is made of air drain 102 and plastic seal film, from pore 104 through gas buffer chamber 209, along groove 204 and replenishing communicating pipe in the ink storage chamber 206 that the plastic seal film constitutes.
Ink storage chamber 206, at its vertical top, the pouring ink hole 103 by being provided with on the lid 1 can repeat to pour into ink.In the situation of full ink injection, pouring ink hole 103 is sealed by the plastics plug.In its vertical bottom, be provided with the ink supply port 210 that runs through box body 2 diapires.The edge is by sealing ring 211 sealings with self-closing function in the openend of ink supply port 210.Ink supply 210 inner chambers are connected with ink storage chamber 206 by the ink interface channel of one section complications.The part of this ink interface channel is made of groove 205 and plastic seal glued membrane, and a part is made of the hollow pipeline that is arranged in box body 2 diapires.Suitable position at this section hollow pipeline is provided with basketball valve 208.Basketball valve 208 makes hollow pipeline be communicated with ink storage chamber 206 or partition ink flow path by the kerf slots 2081 On/Off hollow pipeline sections on it.Vertical top of ink supply port 210 inner chambers is provided with an intercommunicating pore 2101 in addition, sheathed basketball valve 207 on this intercommunicating pore 2101.Basketball valve 207 is by the aforementioned intercommunicating pore 2101 of kerf slots 2071 On/Off on it, make intercommunicating pore 2101 be communicated with ink supply port 210 inner chambers and ink storage chamber 206, perhaps cut off the ink via that constitutes by intercommunicating pore 2101 between ink supply port 210 inner chambers and the ink storage chamber 206.Basketball valve 207 and basketball valve 208 are the cylindrical valve of single opening direction, its opening direction is opposite each other with respect to ink supply port 210 inner chambers or ink storage chamber 206, when being the pressure regulator channel between basketball valve 207 unlatching ink supply port 210 inner chambers and the ink storage chamber 206, basketball valve 208 cuts out; And basketball valve 208 is when opening ink interface channel between ink supply port 210 inner chambers and the ink storage chamber 206, and basketball valve 207 cuts out.
Fig. 5 illustrates the cross-section structure (structure of basketball valve 208 is identical with basketball valve 207 with effect) of the basketball valve 207 that is used for the utility model ink-jet printer cartridge.Basketball valve 207 adopts for example rubber preparation of rubber-like material, and its shape is the cylindrical drum of an end closure.The openend of cylindrical drum is socketed on the corresponding connectivity port of print cartridge, the intercommunicating pore 2101 of ink supply port 210 for example, and and this connectivity port between keep being tightly connected.At the position of basketball valve 207, offer the otch slit 2071 that connects the cylinder barrel away from aforementioned connectivity port.Under the state that does not have the external force effect; perhaps the cylindrical drum chamber pressure is less than the situation of the outside pressure of cylindrical drum; the otch slit 2071 of basketball valve is overlayed naturally to close up or form extruding by its domes by its two relative walls and closes up; produce blackout effect; can stop liquid through otch slit 2071, enter the cylindrical drum inner chamber by the cylindrical drum outside.The cylindrical drum chamber pressure is greater than the situation of the outside pressure of cylindrical drum, the otch slit 2071 of basketball valve is owing to the medium volumetric expansion in the cylindrical drum inner chamber is expanded, two walls in otch slit 2071 open to the cylindrical drum outside, produce to be communicated with effect, to make MEDIA FLOW in the cylindrical drum inner chamber to the cylindrical drum outside.
To filling with the brand-new print cartridge of ink, the snakelike air drain 102 of lid 1 outer surface and corresponding communications ports thereof, and groove on box body 23 outer surfaces 204,205 and corresponding connectivity port thereof are sealed by plastics glued membrane 105 and 214 respectively, as shown in Figure 6.
Referring to Fig. 7,8, second kind of embodiment of the utility model ink-jet printer cartridge, all mark and first kind of embodiment structure and function is identical or change in location is little parts among the figure.Its adjustment made from respect to first kind of embodiment is on a section of the ink interface channel that is communicated with ink supply port 202 and ink storage chamber 206 an ink buffer chamber 5 to be set, and ink supply port is communicated with ink storage chamber 206 through this ink buffer chamber 5.Wherein ink buffer chamber 5 is positioned at ink interface channel a section near ink storage chamber 206.Among Fig. 7,8, be connected by the tank circuit 3 that is positioned on the print cartridge outer wall between ink supply port 202 and the ink storage chamber 206.Ink enters ink supply port 202 by the intercommunicating pore 32,31 of ink storage chamber 206 through basketball valve and the tank circuit 3 two ends according to dotted line haircut a shown in Figure 8, perhaps enters ink storage chamber 206 through the basketball valve according to dotted line haircut b shown in Figure 8 by ink supply port 202.Gas in the gas buffer chamber 209 enters ink storage chamber 206 via two communications ports 42,41 of the tank circuit 4 according to dotted line haircut b shown in Figure 8.
Referring to Fig. 9,10, the third embodiment of the utility model ink-jet printer cartridge.This print cartridge is fastened mutually by the outer wall of identical in structure unit print cartridge or bonds together mutually, constitutes the compound print cartridge that comprises three unit print cartridges, can be used for three kinds of different inks of splendid attire color respectively.The structure proximate of its unit print cartridge is in second kind of embodiment of the utility model ink-jet printer cartridge.Its difference is to have short liquid flow path between ink buffer chamber 6 and the ink supply port 202, and do not set as being positioned at the tank circuit 3 on the print cartridge outer wall in second kind of embodiment.Therefore, ink through the basketball valve, directly enters ink supply port 202 according to dotted line haircut β shown in Figure 10 after flowing into ink buffer chamber 6 by ink storage chamber 206, perhaps enters ink storage chamber 206 through the basketball valve according to dotted line haircut α shown in Figure 10 by ink supply port 202.Gas in the gas buffer chamber 209 directly enters ink storage chamber 206 according to dotted line haircut γ shown in Figure 10.

Claims (5)

1. ink-jet printer cartridge comprises:
At least one ink storage chamber is used to hold and lay in ink,
Ink supply port is positioned on the sidewall of described print cartridge, is connected with described ink storage chamber, be used for cooperating with the ink supply pin of ink-jet printer, and to described ink supply pin supply ink,
Balance pipe is positioned on the sidewall of described print cartridge, is communicated with described ink storage chamber and atmosphere outside, under the state of described ink storage chamber because of supply ink formation negative pressure gas is introduced described ink storage chamber,
To the ink interface channel of described ink storage chamber, be provided with the basketball valve at described ink supply port, pressure in described ink storage chamber is the described ink interface channel of described basketball opening of valves during greater than the pressure in the described ink supply port, pressure in described ink storage chamber during less than the pressure in the described ink supply port described basketball valve close described ink interface channel
It is characterized in that,
Between described ink supply port and described ink storage chamber, also be provided with pressure regulator channel, be provided with the basketball valve in the described pressure regulator channel, pressure in described ink storage chamber during greater than the pressure in the described ink supply port described basketball valve close described pressure regulator channel, the pressure in described ink storage chamber is the described pressure regulator channel of described basketball opening of valves during less than the pressure in the described ink supply port.
2. ink-jet printer cartridge according to claim 1 is characterized in that described balance pipe communicates with described ink storage chamber through the gas buffer chamber that is arranged on one section of the described pressure regulator channel.
3. ink-jet printer cartridge according to claim 2 is characterized in that described ink supply port communicates with described ink storage chamber through the ink buffer chamber that is arranged on one section of the described ink interface channel.
4. ink-jet printer cartridge according to claim 3 is characterized in that described ink buffer chamber is positioned at described ink interface channel a section near described ink storage chamber.
5. ink-jet printer cartridge according to claim 4 is characterized in that the basketball valve in the described ink interface channel communicates with described ink storage chamber through one section inking groove that is positioned on the described print cartridge outer wall.
CN 200620008420 2006-03-15 2006-03-15 Ink box for ink jet printing machine Expired - Lifetime CN2875810Y (en)

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CN 200620008420 CN2875810Y (en) 2006-03-15 2006-03-15 Ink box for ink jet printing machine

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CN 200620008420 CN2875810Y (en) 2006-03-15 2006-03-15 Ink box for ink jet printing machine

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011050759A1 (en) * 2009-10-30 2011-05-05 珠海纳思达企业管理有限公司 Ink cartridge for inkjet printer
CN103660594A (en) * 2012-08-31 2014-03-26 精工爱普生株式会社 Ink supply apparatus and ink storage device
CN106256548A (en) * 2015-06-19 2016-12-28 蒋曙平 A kind of with the sponge-free ink box device sealing deformation device
CN106313901A (en) * 2015-06-19 2017-01-11 蒋曙平 Air pressure balance device for print cartridge
CN110077119A (en) * 2019-05-20 2019-08-02 黄春燕 A kind of environment-friendly type ink-feeding device
CN115583107A (en) * 2022-08-30 2023-01-10 珠海纳思达企业管理有限公司 Regeneration ink box and manufacturing method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011050759A1 (en) * 2009-10-30 2011-05-05 珠海纳思达企业管理有限公司 Ink cartridge for inkjet printer
CN101693424B (en) * 2009-10-30 2012-07-18 珠海纳思达电子科技有限公司 Ink box of ink jet printer
CN103660594A (en) * 2012-08-31 2014-03-26 精工爱普生株式会社 Ink supply apparatus and ink storage device
US9586405B2 (en) 2012-08-31 2017-03-07 Seiko Epson Corporation Ink supply apparatus
CN106256548A (en) * 2015-06-19 2016-12-28 蒋曙平 A kind of with the sponge-free ink box device sealing deformation device
CN106313901A (en) * 2015-06-19 2017-01-11 蒋曙平 Air pressure balance device for print cartridge
CN106256548B (en) * 2015-06-19 2018-06-26 珠海东威电脑耗材有限公司 A kind of sponge-free ink box device with sealing deformation device
CN106313901B (en) * 2015-06-19 2018-08-03 中山市兴发电子科技有限公司 A kind of air-pressure balancing device suitable for print cartridge
CN110077119A (en) * 2019-05-20 2019-08-02 黄春燕 A kind of environment-friendly type ink-feeding device
CN115583107A (en) * 2022-08-30 2023-01-10 珠海纳思达企业管理有限公司 Regeneration ink box and manufacturing method

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Granted publication date: 20070307

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