CN202264491U - Ink feeding device - Google Patents

Abstract

The utility model discloses an ink feeding device of a print cartridge, which is used for ink feeding for two print cartridges having printing heads. Bosses of two print cartridges are different, and the end face areas of the identification projections of the two print cartridges are different. The ink feeding device comprises a pedestal which is provided with a groove; an upper casing; an ink feeding needle protection plate which is equipped with an opening corresponding to identification projections; a sealing member; a nozzle sealing gasket that is disposed in the groove, so that the distance between the upper surface of the nozzle sealing gasket and edge near the groove adapts to a boss with a lower height, and the opening adapts to the identification projection with a larger end face area; and a plate-shaped heightening body, wherein the distance between the upper surface of the nozzle sealing gasket and the upper surface of the heightening body equals to the height of a boss with a higher height. The ink feeding device is suitable for office devices such as a laser printer.

Description

Irritate device for ink

Technical field

The utility model relates to the filling device for ink that a kind of print cartridge that has printhead that is exclusively used in the ink-jet printer use replenishes ink.

Background technology

The publication number of the applicant's application is that the utility model patent of CN201856449U discloses a kind of " the filling device for ink that is used for print cartridge ", and the structure of this device is as shown in Figure 1, comprisesbase 2, is connected in theupper casing 3 of this base and irritates tattooing needle tube 4.Wait that theprint cartridge 1 of irritating China ink can be positioned betweenbase 2 and the upper casing 3.Thisprint cartridge 1 is a colour ink box; And be the print cartridge of printhead and print cartridge integrative-structure; Its top is provided with several and irritatesblack hole 11, and the ink storage chamber of the different color inks that hold in the quantity of irritatingblack hole 11 and the print cartridge is corresponding, also is provided with theidentification projection 13 adaptive with printer on the end face; The effect ofidentification projection 13 is to supply printer to discern, do not adapt to the print cartridge of this printer can't be in printer correct installation in position.The printhead that is positioned at the print cartridge bottom is formed on boss protruding under the bottom 12.Upper casing 3 hascontainer cavity 38; The bottom of thiscontainer cavity 38 is uncovered; The uncovered arranged outside ofupper casing 3 has thebindiny mechanism 36 that is connected withbase 2, and the roof ofupper casing 3 is fixed with the some piecefilling tattooing needles 33 corresponding with irritating black hole, whenupper casing 3 fastens withbase 2; The ink storage chamber ofprint cartridges 1 inside can be inserted from the filling Chinaink hole 11 atprint cartridge 1 top in lower end of thisfilling tattooing needle 33, with the filling ink passage inside and outside the foundation connection ink storage chamber.When irritating China ink, dock with theink outlet port 41 of syringe 4 bottoms the upper end ofirritating tattooing needle 33; The bottom ofupper casing 3 also is provided with can be along the axially movable fillingtattooing needle baffle 39 ofirritating tattooing needle 33, has on the fillingtattooing needle baffle 39 to supply to irritate the throughhole 391 that tattooingneedle 33 passes.The bottom surface of irritatingtattooing needle baffle 39 is provided with and can cooperates the upwards opening 393 of protuberance with theidentification projection 13 atprint cartridge 1 top.Under the bottom surface of irritatingtattooing needle baffle 39, also be provided with theseal 35 that is used to seal theblack hole 11 of filling when irritating China ink,seal 35 is limited in it through the positive stop strip of irritatingtattooing needle baffle 39 lower surfaces and covers the zone of irritating black hole 11.Base 2 is provided with thegroove 22 withboss 12 shape adaptation, and the sealinggasket 23 that is used for sealing print-head nozzle when irritating China ink is laid in the bottom of this groove 22.Thefastener 21 that the both sides ofbase 2 cooperate withbindiny mechanism 36, both cooperations can makebase 2 firmly be connected withupper casing 3 or remove connection, so thatprint cartridge 1 is being irritated putting into or taking out of China ink front and back.

Referring to Fig. 1, Fig. 2; Also be provided with in thecontainer cavity 38 ofupper casing 3 and irritate twoguide pillars 382 that tattooingneedle baffle 39 cooperates; Be with respectively at thespring 37 of irritating between tattooingneedle baffle 39 androof 31 inboards on twoguide pillars 382; During use,earlier spring 37 is packed into twoguide pillars 382 respectively, pack into twoguide pillars 382 with the fillingtattooing needle baffle 39 thatseal 35 is housed is uncovered from the bottom ofcontainer cavity 38; Thebase 2 that sealednozzle pad 23 andprint cartridge 1 will be housed then aligns withupper casing 3; The uncovered cover in bottom of thecontainer cavity 38 ofupper casing 3 advances downwards towardslow seat 2, andprint cartridge 1 oppositely will be irritatedtattooing needle baffle 39 and pushed up tospring 37 is pressed on theroof 31 toroof 31 directions along twoguide pillars 382, then withfastener 21 and bindiny mechanism's 36fastenings.Spring 37 preloadings contract and produce restoring force and will irritate tattooingneedle baffle 39 tobase 2 pressuring directions; Seal 35, sealednozzle pad 23 are closely contacted, the sealing state that ink storage chamber is in be hedged off from the outer world respectively with the nozzle of theblack hole 11 of the filling ofprint cartridge 1,printhead 12 from both direction up and down.Match from the total height of bottom to the distance of irritatingtattooing needle baffle 39 position at the print cartridge top that compressescontainer cavity 38 withprint cartridge 1 ofgroove 22, it is suitable that the degree of depth ofgroove 22 deducts the height of thickness andboss 12 of sealednozzle pad 23.

The existing print cartridge that meets the said structure characteristics has two kinds of styles; It is adapted to the printer of two kinds of different models respectively; Design feature has many something in common; Only downwards theboss 12 of protrusion is highly different from the bottom atboss 12 for difference, andidentification projection 13 top surface area that another difference is arranged on the print cartridge top have the branch of size, other shapes, size constancy.The filling device for ink that these 2 differences make CN201856449U provide can not be applicable to this two print cartridge simultaneously.

In addition, it also has another defective, and seal 35 and sealinggasket 23 are also easily when taking outprint cartridge 1, because of fixing not firm dropping, often appearance loss.

Summary of the invention

The main purpose of the utility model provides a kind of filling device for ink that can be applicable to the print cartridge that has printhead of two kinds of styles;

Another purpose of the utility model provides a kind of seal and the fixing comparatively firm filling device for ink of sealing gasket.

The technical scheme that the filling device for ink of the print cartridge of the utility model is adopted is: be used for two sections of print cartridges with printhead are irritated China ink; The boss height of two sections of print cartridges is different; The top surface area of the identification projection of two sections of print cartridges varies in size, and irritates device for ink and comprises base, and base is provided with groove; Upper casing has container cavity in this upper casing; Irritate the tattooing needle baffle, this filling tattooing needle baffle has and said identification projection opening opposing; Seal, sealing part can be placed on the bottom surface of irritating the tattooing needle baffle filling China ink hole region facing with said print cartridge; The sealed nozzle pad, this sealed nozzle pad places in the groove, makes the other distance of upper surface to the groove bead of sealed nozzle pad adaptive with low boss height; The identification projection area that opening and top surface area are bigger is adaptive; Also comprise the tabular body that increases, the distance between the upper surface of sealed nozzle pad to the upper surface that increases body equals the height than high boss; When low print cartridge of boss was irritated China ink, the sealed nozzle pad was installed in the groove; When the higher print cartridge of boss is irritated China ink, simultaneously with the sealed nozzle pad and increase body be installed in the groove respectively and the groove bead by.

Because the filling device for ink of the print cartridge of the utility model has adopted technique scheme; Locating slot can cooperate with maximum sized identification projection; It also is feasible then cooperating with the identification projection of minimum dimension, and the identification projection that has solved two kinds of sizes of locating slot and size cooperates uncurrent problem; For the higher relatively print cartridge of positive stop lug boss height; Sealed nozzle pad and increase body and use simultaneously; Put into respectively by groove and the groove bead, because the distance between the upper surface of sealed nozzle pad to the said upper surface that increases body equals said height than high boss, the bottom shape of formed shape and print cartridge is suitable; When nozzle can closely be contacted with the sealed nozzle pad of bottom portion of groove, increase the shoulder that body just holds up positive stop lug boss; When the relative shorter print cartridge with the positive stop lug boss height of filling device for ink matches; The body that increases in the such scheme is removed; Only use the sealed nozzle pad to put in the groove; Because the other distance of upper surface to the groove bead of sealed nozzle pad equals the height of said shorter boss, when nozzle can closely be contacted with the sealed nozzle pad of bottom portion of groove, the other shoulder that just holds up positive stop lug boss of groove bead; Technique scheme has solved the groove problem of the nozzle cooperation of the print cartridge of the positive stop lug boss different with being with height respectively, makes original filling device for ink general to the equal ability of two kinds of styles of print cartridge.

As further improvement to technique scheme, the sealed nozzle pad with increase body and link into an integrated entity through a vertical brace.Make to be difficult for dropping one of them in the operating process, action is more simplified when in installation process, picking up material.

As the further improvement to technique scheme, the bottom surface of sealed nozzle pad is provided with buckle; Bottom portion of groove is provided with the sealing gasket draw-in groove that fastens with said buckle.

As the further improvement to technique scheme, the bottom surface of sealed nozzle pad is provided with first buckle; Said bottom surface of increasing body also is provided with second buckle; Bottom portion of groove is provided with the sealing gasket draw-in groove that fastens with first buckle; The groove bead is other to be provided with said second buckle fastens and to increase the body draw-in groove.

As the further improvement to technique scheme, the end face of seal also is provided with buckle, and said filling tattooing needle baffle correspondence position is provided with the seal draw-in groove that is interlocked with it.

Above-mentioned two kinds of improvement make respectively to have solved seal, sealed nozzle pad and increase body and be fixed on better on the groove of irritating tattooing needle baffle and base seal, sealed nozzle pad and increased the problem that body drops easily.

As further improvement to technique scheme, the other step trough of forming of said groove and groove bead.When the sealed nozzle pad and increase body and place step trough, after base and the upper casing assembling, wholely be connected more identical.

Description of drawings

Fig. 1 is the band print cartridge printhead of prior art and the STRUCTURE DECOMPOSITION figure that irritates device for ink;

Fig. 2 is the band print cartridge printhead of prior art and the cutaway view of irritating device for ink;

Fig. 3 is the STRUCTURE DECOMPOSITION figure that band print cartridge printhead and the utility model are irritated device for ink first embodiment;

Fig. 4 is the cutaway view that band print cartridge printhead and the utility model are irritated device for ink first embodiment;

Fig. 5 is base and the STRUCTURE DECOMPOSITION figure of sealed nozzle pad among first embodiment;

Fig. 6 is the STRUCTURE DECOMPOSITION figure that irritates tattooing needle baffle and seal;

Fig. 7 is the installation diagram of irritating tattooing needle baffle and seal;

Fig. 8 is the cutaway view that band print cartridge printhead and the utility model are irritated device for ink second embodiment;

Fig. 9 is base and the STRUCTURE DECOMPOSITION figure of sealed nozzle pad among second embodiment;

Figure 10 is the STRUCTURE DECOMPOSITION figure that band print cartridge printhead and the utility model are irritated device for ink the 3rd embodiment;

Figure 11 is the cutaway view that band print cartridge printhead and the utility model are irritated device for ink the 3rd embodiment;

Figure 12 is base and the STRUCTURE DECOMPOSITION figure of sealed nozzle pad among the 3rd embodiment.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

First embodiment

Present embodiment is the filling device for ink that the bigger print cartridge of top surface area higher to boss, the identification projection is irritated China ink; Referring to Fig. 3; The filling device for ink of the print cartridge of the utility model comprises thebase 2 andupper casing 3 of uprightplacement print cartridge 1; The top of thisprint cartridge 1 has several and irritatesblack hole 11 and twoidentification projections 13, and the bottom hasboss 12;Upper casing 3 hascontainer cavity 38, and the bottom of thiscontainer cavity 38 is uncovered structure; Irritatetattooing needle baffle 39, the bottom surface of this fillingtattooing needle baffle 39 is provided withidentification projection 13 opening opposing 393 withprint cartridge 1 top.Also be provided with theseal 35 in the filling Chinaink hole 11 that is used for sealingprint cartridge 1 top when irritating China ink in the bottom of irritatingtattooing needle baffle 39; Seal 35 entangles through the positive stop strip of irritating on thetattooing needle baffle 39 loosely, is placed on the bottom surface of irritatingtattooing needle baffle 39 filling Chinaink hole 11 region facing withprint cartridge 1;Base 2 is provided with thegroove 22 that cooperates with theboss 12 ofprint cartridge 1, and the bottom of thisgroove 22 is provided with the sealednozzle pad 23 that is used forseal boss 12 bottom surface nozzles when irritating China ink, and other being provided with ofgroove 22 beads increased body 24.The both upper ends thereof side ofbase 2 respectively is provided with afastener 21, respectively has a button hole that can cooperate withbindiny mechanism 36 on eachfastener 21.

Referring to Fig. 4, the roof ofupper casing 3 is inserted with somefilling tattooing needles 33, and the ink storage chamber ofprint cartridge 1 inside can be inserted from the filling China ink hole atprint cartridge 1 top in this lower end ofirritating tattooing needle 33, irritates ink passage to set up; Irritatingtattooing needle baffle 39 can be along irritating the moving axially to the position near thebottom 31 ofupper casing 3 of tattooingneedle 33; Also be provided with in thecontainer cavity 38 ofupper casing 3 withirritate 382, twoguide pillars 382 of two guide pillars that tattooingneedle baffle 39 cooperates on be with respectively at thespring 37 of irritating between tattooingneedle baffle 39 and the roof 31.Have on this fillingtattooing needle baffle 39 and can supply to irritate the through hole that tattooingneedle 33 passes, the opening 393 of irritatingtattooing needle baffle 39 is suitable with maximum sizedidentification projection 13, and groove 22 matches with the bottom ofprint cartridge 1.

Referring to Fig. 5; Sealednozzle pad 23 is putgroove 22 into; Sealednozzle pad 23 also comprisesfirst buckle 231; There are draw-ingroove 225, thefirst buckles 231 that match with it to pass draw-ingroove 225 on thegroove 22 ofbase 2 the non-return end offirst buckle 231 is placed outside the draw-ingroove 225, sealednozzle pad 23 is fixed in thegroove 22 ofbase 2; Increasebody 24 and place groove bead other 25; Increasebody 24 and also comprisesecond buckle 241; Groove bead other 25 has the draw-ingroove 251 that matches with it;Second buckle 241 passes draw-ingroove 251 and will increasebody 24 to be fixed on the groove bead other 25, and the distance between the upper surface of sealednozzle pad 23 to the upper surface that increasesbody 24 equals the height thanhigh boss 12, and groove 22 and groove bead other 25 formed step slots.

Referring to Fig. 6;Seal 35 also comprisesbuckle 351; Irritatetattooing needle baffle 39 draw-ingroove 395 that matches is with it arranged; Buckle 351 passes draw-ingroove 395 places outside the draw-ingroove 395 the non-return end ofbuckle 351,seal 35 is fixed on irritates on thetattooing needle baffle 39, andseal 35 is as shown in Figure 7 with fillingtattooing needle baffle 39 assembling backs.

During use; At first simultaneously with sealednozzle pad 23 and increasebody 24 be installed in thegroove 22 respectively and the groove bead other 25, theboss 12 withprint cartridge 1 places in thegroove 22 then, will install the fillingtattooing needle baffle 39 ofseal 35 again; Twoguide pillars 382 along being withspring 37 move to the position near thebottom 31 ofupper casing 3; At lastupper casing 3 is buckled on thebase 2, fastener 21 cooperates with the button hole ofbindiny mechanism 36, withupper casing 3 andbase 2 fastenings;Spring 37 makes fillingtattooing needle baffle 39 thatseal 35 is adjacent to the filling China ink mouth ofprint cartridge 1, and the nozzle ofboss 12 bottom surfaces can closely be contacted with the sealed nozzle pad of bottom portion of groove.

Second embodiment

The present embodiment and first embodiment are basic identical, and its difference is, the lower end of theprint cartridge 1 that opening 393 cooperates with theidentification projection 13 of minimum dimension,groove 22 and boss height are shorter relatively matches; Referring to Fig. 8;Opening 393 cooperates with theidentification projection 13 of minimum dimension, referring to Fig. 9, only uses sealednozzle pad 23 to putgroove 22 into; The distance of the upper surface of sealednozzle pad 23 to groove bead other 25 is adaptive with low boss height, and nozzle can closely be contacted with the sealed nozzle pad of bottom portion of groove.

During use,,, then can in the structure that is made up with abase 2 andupper casing 3, irritate China ink as long as determine whether to use thetabular body 25 that increases to theprint cartridge 1 ofdifferent boss 12 height forprint cartridges 1 different among above two embodiment.

The 3rd embodiment

The present embodiment and first embodiment are basic identical, and its difference is that sealednozzle pad 23 links into an integrated entity through a vertical brace with thesaid body 24 that increases, referring to Figure 10, Figure 11, Figure 12.

Claims (6)

1. the filling device for ink is used for two sections of print cartridges with printhead are irritated China ink, and the boss height of said two sections of print cartridges is different, and the top surface area of the identification projection of said two sections of print cartridges varies in size, and said filling device for ink comprises

Base, said base is provided with groove;

Upper casing has container cavity in the said upper casing;

Irritate the tattooing needle baffle, said filling tattooing needle baffle has and said identification projection opening opposing;

Seal can be placed on the bottom surface of irritating the tattooing needle baffle filling China ink hole region facing with said print cartridge;

The sealed nozzle pad; Said sealed nozzle pad places in the groove, makes the other distance of upper surface to the groove bead of said sealed nozzle pad adaptive with said low boss height;

It is characterized in that:

The said identification projection area that said opening and top surface area are bigger is adaptive;

Also comprise the tabular body that increases, the distance between the upper surface of said sealed nozzle pad to the said upper surface that increases body equals said height than high boss;

When low print cartridge of said boss was irritated China ink, said sealed nozzle pad was installed in the said groove;

When the higher print cartridge of said boss is irritated China ink, simultaneously with said sealed nozzle pad and increase body be installed in the said groove respectively and the groove bead by.

2. filling device for ink according to claim 1 is characterized in that: said sealed nozzle pad and the said body that increases link into an integrated entity through a vertical brace.

3. filling device for ink according to claim 2 is characterized in that:

The bottom surface of said sealed nozzle pad is provided with first buckle; Said bottom portion of groove is provided with the sealing gasket draw-in groove that fastens with said first buckle.

4. filling device for ink according to claim 1 is characterized in that:

The bottom surface of said sealed nozzle pad is provided with first buckle; Said bottom surface of increasing body also is provided with second buckle;

Said bottom portion of groove is provided with the sealing gasket draw-in groove that fastens with said first buckle; Said groove bead is other to be provided with said second buckle fastens and to increase the body draw-in groove.

5. according to each described filling device for ink of claim 1 to 4, it is characterized in that:

The end face of said seal is provided with buckle, and said filling tattooing needle baffle correspondence position is provided with the seal draw-in groove that is interlocked with it.

6. according to each described filling device for ink of claim 1 to 4, it is characterized in that: the other step trough of forming of said groove and groove bead.

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