CN2905442Y

CN2905442Y - Ink-jet printer cartridge

Info

Publication number: CN2905442Y
Application number: CNU2006200604958U
Authority: CN
Inventors: 乔怀信; 李贵清
Original assignee: Print Rite Technology Development Co Ltd of Zhuhai
Current assignee: Print Rite Technology Development Co Ltd of Zhuhai
Priority date: 2006-06-15
Filing date: 2006-06-15
Publication date: 2007-05-30
Anticipated expiration: 2016-06-15
Also published as: WO2007147360A1

Abstract

The utility model is an ink cartridge for inkjet printers which comprises at least one ink reservoir, an ink outlet at the bottom of the ink cartridge and a miniature integrated circuit chip holder near the bottom of the ink cartridge. The said miniature integrated circuit chip holder is connected with the side of the ink cartridge via an elastic device that is basically vertical to the bottom of the ink cartridge. The direction of the elastic force basically parallels the bottom of the bottom of the ink cartridge. The ink cartridge further improves the electrical contact performance between the electrical contacts of the miniature integrated circuit chip and the corresponding contacts of the inkjet printers.

Description

Ink-jet printer cartridge

Technical field

The utility model relates to ink-jet printer cartridge, and this print cartridge is used to store a certain amount of ink and to recording head for ink-jet printer supply ink, it is removably installed on the balladeur train or word car of ink-jet printer.Record head is fixed on balladeur train or the word car, by nozzle to recording medium for example paper etc. spray ink droplet.

Background technology

One of common inking mode between ink-jet printer and its supporting print cartridge, be to 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, make black liquid flow into from ink outlet port that the mode of the black fluid through-hole the ink supply pin realizes.This class print cartridge, its early stage print cartridge life-span be exactly limit natural life-span of print cartridge in ink exhausts, so the number of ink storage quantity has determined print cartridge life-span length by the ink storage quantity decision of print cartridge inside; Recent print cartridge has then been acquired the detection means of micro integrated circuit chip as identification print cartridge source and ink storage quantity, by the communication between micro integrated circuit chip and the ink-jet printer, differentiate the matching of print cartridge and printer model, and obtain the ink storage quantity status information, it is relevant with the data of micro integrated circuit chip-stored and input that ink in the print cartridge consumes the time, and ink storage quantity actual with it no longer has relevance, therefore, the recording status of micro integrated circuit chip has determined print cartridge life-span length.

This print cartridge 90 that has the micro integrated circuit chip is the hexahedron box of flat usually, sees Fig. 1.One of side that the more long narrow degree of its width is long is formed the diapire 902 of print cartridge usually.On this diapire 902, offer the ink outlet port 901 that is communicated with print cartridge inside.Print cartridge 90 is near ink outlet ports 901 and be in substantially parallel relationship to longitudinally and on a narrower sidewall resilient handle 903 be set.This resilient handle 903 for it provides the elastic reaction that is in substantially parallel relationship to horizontal plane, is resisted against on ink-jet printer balladeur train or the word car sidewall under the machine state that falls of print cartridge 90, makes it obtain stable installment state, avoids print cartridge to produce and rocks.The sidewall 904 relative with resilient handle 903 positions, its near the position of print cartridge diapire 902 by its surface substantially vertically extend outward be approximately the forms shape be used to put the micro integrated circuit chip hold storehouse 905.Hold between the ink of storehouse 905 and print cartridge 90 inside and cut off by sidewall 904, its with print cartridge diapire 902 between be and fixedly connected form.The micro integrated circuit chip is fixed in by connectors such as bolt or glue and holds in the storehouse 905, installation requirement between itself and the print cartridge 90 is that the electric contact of micro integrated circuit chip is in naked state, guarantees that like this electric contact of micro integrated circuit chip has the connected space of contact with the corresponding contacts that ink-jet printer is arranged on balladeur train or the word car.Yet, the inventor finds, in actual applications, under this frame mode, often between the electric contact of micro integrated circuit chip and the corresponding contacts of ink-jet printer occur contactlessly, perhaps not firm, the unsettled phenomenon of contact is even newly purchase print cartridge, or being full of the still untapped print cartridge of ink, the warning reason of ink-jet printer also often is shown as does not have black source.

The utility model content

The inventor finds that through exploring the back excellent contact that is unrealized between the electric contact of micro integrated circuit chip and the corresponding contacts of ink-jet printer is the reason that its fault forms at the problems referred to above.Based on this, can realize the ink-jet printer cartridge that good mechanical contacts between the electric contact that the utility model purpose is to provide a kind of its micro integrated circuit chip and the corresponding contacts of ink-jet printer.

Ink-jet printer cartridge according to above-mentioned purpose design comprises at least one ink storage chamber, is formed at ink outlet port on the print cartridge diapire and its position and holds the storehouse near the micro integrated circuit chip of print cartridge diapire.The micro integrated circuit chip holds the storehouse and links to each other with about print cartridge sidewall perpendicular to the print cartridge diapire by elastic body.The elastic force action direction of elastic body is basically parallel to the print cartridge diapire.

Above-mentioned ink-jet printer cartridge, preferably its elastic body is a spring beam.One end of this spring beam is fixed in the position of print cartridge sidewall away from the print cartridge diapire, and the other end holds the storehouse with the micro integrated circuit chip fixedlys connected.Be fixed in the end that the micro integrated circuit chip holds the storehouse from its end of being fixed in the print cartridge sidewall towards it, the clearance distance between spring beam and the print cartridge sidewall increases gradually.

Ink-jet printer cartridge of the present utility model holds being connected between the storehouse by extended spring beam from the print cartridge sidewall with the micro integrated circuit chip, holds between storehouse and the print cartridge sidewall at the micro integrated circuit chip and causes a predetermined gap.This predetermined gap can change the space for print cartridge provide its certain size on the ink-jet printer balladeur train on the one hand, makes because the print cartridge appearance and size that the production reason causes changes to be held or allow by the ink-jet printer balladeur train; The spring beam that has this gap on the other hand, make the micro integrated circuit chip that is in the spring beam end hold the storehouse and when print cartridge falls machine, obtain to be basically parallel to the elastic acting force that the print cartridge diapire points to ink-jet printer balladeur train inside, thereby contact pressure between the corresponding contacts of the electric contact that improves the micro integrated circuit chip and ink-jet printer, make the bigger raising of mechanical contact performance acquisition of the two.

The drawing explanation

Fig. 1 has ink-jet printer cartridge surface structure schematic diagram now.

Fig. 2 the utility model ink-jet printer cartridge surface structure schematic diagram one.

Fig. 3 the utility model ink-jet printer cartridge surface structure schematic diagram two.

Fig. 4 the utility model ink-jet printer cartridge cutaway view.

The specific embodiment

Referring to Fig. 2,3,4, the utility model ink-jet printer cartridge for clarity sake, has omitted the lid of print cartridge in the way, the box portion of print cartridge only is shown.

See Fig. 2,3, the hexahedron box that this print cartridge box body 1 is a flat.

Wherein, the more long narrow degree of width is longer, the roof that is positioned at print cartridge box body 1 top is cancelled, make the part of this roof correspondence be in opening-wide state substantially, formed uncovered 101 can be sealed by the print cartridge lid of shape correspondence, afterwards in the predetermined one or more ink storage chambers chamber of print cartridge box body 1 inner acquisition.

On print cartridge box body 1 diapire 102 of its position, offer the ink outlet port 103 that connects diapire 102 with respect to uncovered 101 place roofs.

The sidewall 104 of a longer broad between box body roof and box portion bottom wall 102; usually can be considered to offer thereon is used to hold the valve pocket of respective valves and connects a plurality of ink storage chambers, perhaps connects the ink channel of at least one ink storage chamber and ink outlet port 103.In the present embodiment,, adopt the indent mode to be provided with valve pocket 105 and ink channel 106 at the position of sidewall 104 near ink outlet port 103.Valve pocket 105 admits the valve that is used to control the ink flowrate and the flow direction in wherein.Ink channel 106 is communicated with the ink storage chamber chamber and the valve pocket 105 of print cartridge box body 1 inside, provides liquid flow path for making the ink that is contained in the print cartridge box body 1 interior reservoir ink chamber flow to the valve that is positioned at valve pocket 105.

Referring to Fig. 2,3,4, at the same time in abutting connection with the box body top, box side wall 104 and box portion bottom wall 102, be provided with fixedly connected resilient handle 108 near the box side wall 107 of ink outlet port 103.This resilient handle 108 extends from the oblique upper of position outside print cartridge box body 1 of box side wall 107 near ink outlet port 103 place box portion bottom wall 102, make resilient handle 108 except the tie point of itself and box side wall 107, remainder, its handle handle body for example, it extends free end, all maintain the gap, and this gap is increasing from bottom to top with box side wall 107.Thereby, under print cartridge box body 1 is packed the state of printer carriage into, resilient handle 108 is resisted against on ink-jet printer balladeur train or the word car sidewall, the elastic acting force that is in substantially parallel relationship to horizontal plane is provided for print cartridge box body 1, make it obtain stable installment state, avoid print cartridge to rock or slide because of the gap that has horizontal direction between itself and the ink-jet printer balladeur train produces.

With the generation type of resilient handle 108 similarly, at the same time in abutting connection with the box body top, box side wall 104 and box portion bottom wall 102, away from ink outlet port 103, promptly on the box side wall 109 of its position with respect to box side wall 107 spring beam 110 is set.Spring beam 110 1 ends are fixed in the longitudinal middle part of box side wall 109 or away from the position of box portion bottom wall 102, the other end holds storehouse 111 with the micro integrated circuit chip fixedlys connected.Be fixed in the end that the micro integrated circuit chip holds storehouse 111 along its end of being fixed in box side wall 109 towards it, have gap 112 between this spring beam 110 and the box side wall 109, and gap 112 is widened to preset distance from top to bottom gradually.Like this, under print cartridge box body 1 is packed the state of printer carriage into, the micro integrated circuit chip holds on the respective electrical contact point that storehouse 111 is resisted against ink-jet printer balladeur train or word car sidewall, on the one hand, improve the pressure that contacts between micro integrated circuit chip electric contact and the ink-jet printer corresponding contacts, improved the contact performance between the contact, on the other hand, extra again for print cartridge box body 1 provides an elastic acting force that is in substantially parallel relationship to horizontal plane, and then strengthen the stability of its installment state.

It is rectangular substantially that the micro integrated circuit chip holds storehouse 111 outward appearances.The width adequate of its width and box side wall 109.One of its sidewall for example holds that the storehouse sidewall opens wide or indent forms the district that holds of micro integrated circuit chip with box side wall 109 is equidirectional.The outer surface of one of other sidewall, for example the upper end of this framework is fixedlyed connected with the aforementioned free end of spring beam 110.

Claims

1. ink-jet printer cartridge, comprise at least one ink storage chamber, be formed at ink outlet port on the print cartridge diapire and its position and hold the storehouse near the micro integrated circuit chip of print cartridge diapire, it is characterized in that the micro integrated circuit chip holds the storehouse and links to each other with about print cartridge sidewall perpendicular to the print cartridge diapire by elastic body, the elastic force action direction of described elastic body is basically parallel to described print cartridge diapire.

2. ink-jet printer cartridge according to claim 1, it is characterized in that described elastic body is a spring beam, one end of described spring beam is fixed in the position of described print cartridge sidewall away from described print cartridge diapire, the other end holds the storehouse with described micro integrated circuit chip fixedlys connected, and be fixed in described spring beam in end that described micro integrated circuit chip holds the storehouse and the clearance distance between the described print cartridge sidewall increases gradually towards it from its end of being fixed in described print cartridge sidewall.