CN1329989A

CN1329989A - Inik box

Info

Publication number: CN1329989A
Application number: CN 01129481
Authority: CN
Inventors: 邱显沣
Original assignee: Industrial Technology Research Institute ITRI
Current assignee: Industrial Technology Research Institute ITRI
Priority date: 2000-07-04
Filing date: 2001-06-21
Publication date: 2002-01-09

Abstract

An ink box for outputting ink from it is composed of container, filler element and ink holder. Said filler element arranged in ink supply channel has only one open end. When the ink supply needle of ink-jet print head is fully separated from said filler element, the resilient performance of said filler element can seal the open end, preventing ink overflow and external air from coming in.

Description

Ink cartridges

The present invention is continuing in No. 89112007 case of Taiwan patent of application on 06 16th, 1989.

The present invention relates to a kind of ink cartridges, the colloid filling element that particularly a kind of utilization has a single end face sealing as the setting element of ink supply contact pin and by the capillary principle to keep the unimpeded ink cartridges of ink channel.

In the design of general detachable ink gun, when ink cartridges (Ink cartridge) is placed in ink-jet printing head seat (Ink-jet head carriage), just be interconnected between the two, and ink is entered in the inkjet mechanism from the ink cartridges guiding, so to produce the output effect of ink-jet.

The design that is relevant to above-mentioned ink cartridges must be considered following each point:

(1) ink is controlled oneself and enter ink feed slot (ink supply port) without interruption in the black body (ink absorbing member, expanded material commonly used is as foam);

(2) ink cartridges can be easily and exactly with ink-jet printing head seat aligned position and engage one another;

(3) after ink cartridges and ink-jet printing head seated connection close, form the good ink-feed channel of seal, guarantee that ink enters in the ink feed slot without interruption; Simultaneously can avoid outside air to enter ink feed slot, and ink also can not overflow from ink-feed channel:

When (4) ink cartridges did not engage one another with the ink-jet printing head seat, ink can not overflow in ink feed slot, and outside air also can not enter in the ink feed slot;

(5) ink cartridges need effectively avoid ink to leak out in ink cartridges in processes such as transportation, storage.

See also Fig. 2 A, 2B.

Fig. 2 A represents to clog the stereogram of element 40, and Fig. 2 B represents the profile that dissectd according to the plane Z1 among Fig. 2 A.

Shown in Fig. 2 A, 2B, filling element 40 is the made column of a flexible material, this filling element 40 has a first end 41 and a second end 42, on this first and

second end

41,42, be formed with opening 1,2 respectively, be interconnected between this opening 1,2 and run through this first and

second end

41,42.

See also Fig. 3 A, Fig. 3 B and Fig. 4 A, Fig. 4 B.

Fig. 3 A represents that ink-jet printing head seat 600 is inserted in ink cartridges A exploded perspective view before, and Fig. 3 B represents that ink-jet printing head seat 600 has been inserted in ink cartridges A combination stereogram afterwards.

As shown in Figure 3A, this ink-jet printing head seat 600 includes an ink supply contact pin (ink supplyneedle) 610, on this ink supply contact pin 610, be formed with one first opening 611, one second opening 612, a 610T of puncture portion and an ink-jet trigger mechanism (ink firing mechanism) (not shown), wherein, between first and second opening 611,612 is to be interconnected, the 610T of this puncture portion is the tapered structure body that is formed at ink supply contact pin 610 terminal parts, and the first above-mentioned opening 611 is positioned on the scalene cone of the 610T of puncture portion.

Fig. 4 A represents the profile that dissectd according to the plane Z2 among Fig. 3 B, and Fig. 4 B represents the enlarged drawing according to the region R among Fig. 4 A 1.

Shown in Fig. 4 B, when ink-jet printing head seat 600 when its ink supply contact pin 610 is inserted in ink cartridges A, this ink supply contact pin 610 insert broken plastic cement envelope with 5 and in regular turn the opening 2,1 by filling element 40 make its first opening 611 be arranged among the ink flow path district 12, and the outer rim of this ink supply contact pin 610 and the 2 mutual driving fits of filling element 40 openings are so to reach airtight seamless engagement state.

When under the effect of ink W in set back pressure after this is held black body 20 and discharges, this ink W is flowed in second opening 612 by first opening 611 via ink flow path district 12, and this ink W is printed on the paper P from the 612 outside outputs of second opening under the driving effect of ink-jet trigger mechanism (not shown).

Because this filling element 40 be non-enclosed, therefore need extra in manufacturing process hot pressing affix this plastic cement and seal the ink feed slot place that begins to seal ink cartridges with 5, the situation that ink overflows ink cartridges takes place in processes such as transportation, storage to avoid product.

Yet, when above-mentioned ink supply contact pin 610 separates with ink cartridges A, ink flow path district 12 is just via the opening 1 of

clogging element

40,2 and contact with the external world, so cause air to enter among the ink flow path district 12, if when once more ink supply contact pin 610 being inserted in ink cartridges A, this ink supply contact pin 610 still can reach the airtight effect that engages between the element 40 with filling, but, holds on black body 20 and the filter screen 30 air because of depending on, so cause ink W normally to export, and this air also hinders the ink W black body 20 of can't controlling oneself and flows into ink flow path district 12 continuously, even under the start through printer (not shown) pumping ink program for several times, this ink cartridges A still can't recover normal ink supply.

Therefore, the ink cartridges of this type design will cause serious ink-jet flaw if secondary is inserted the ink-jet printing head seat and printed, and can't reach normal printing quality.

In view of this, the objective of the invention is at the shortcoming of above-mentioned known technology and propose a kind of technical scheme of improvement.

The objective of the invention is to be to provide a kind of and have less part, simple designs reduces production costs to reach, and guarantee after the ink cartridges withdrawing leaves the ink-jet printing head seat, can seal for ink cartridges fully, make the inner ink cartridges of isolating fully of ink cartridges with outside air.

Ink cartridges of the present invention is made ink cartridges by less component part and with simple design principle, except can effectively avoiding ink cartridges in processes such as transportation, storage, can not take place the situation that ink overflows, guarantee to have desirable tight engagement effect between ink cartridges and the ink-jet printing head seat simultaneously, and provide that normal ink supply, ink are unlikely to produce excessive phenomenon from engaging conducting place.

Ink cartridges of the present invention comprises: a container, and in order to hold this ink, this container has a storage area and at least one passage, is formed with a flange on this passage; One (for example: the bubble silk floss with porous expanded material) holds black body, be arranged among this storage area, but ink is to be stored in this with the type of flow to hold among the black body, and can produce a set back pressure for ink, and this is held Mo Tishi and is arranged among the container in the mode that is adjacent to passage; One filling element (for example: the flexible member of rubber system), mode with fluid-tight engagement is arranged on this flange of passage, this filling element has a first end and a second end, on this second end, have a depressed part, enter the ink-jet printing head seat among container to prevent outside air by this filling element.

Be provided with capillary element in the passage of container as groove, this capillary element is to be arranged at this to hold between this depressed part of Mo Tiyu, can be so that ink via and filter screen all have moisture retention by the capillarity of generation that this capillary element reaches.

For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:

Figure 1A represents the exploded perspective view according to known ink cartridges A structure;

Figure 1B represents the combination stereogram according to Figure 1A;

Fig. 2 A represents the stereogram according to the filling element 40 among Figure 1A;

Fig. 2 B represents the profile that dissectd according to the plane Z1 among Fig. 2 A;

Fig. 3 A represents an ink-jet printing head seat 600 is inserted in ink cartridges A exploded perspective view before;

Fig. 3 B represents the combination stereogram according to Fig. 3 A;

Fig. 4 A represents the profile that dissectd according to the plane Z2 among Fig. 3 B;

Fig. 4 B represents the enlarged drawing according to the region R among Fig. 4 A 1;

Fig. 5 A represents the exploded perspective view of the ink cartridges B structure according to the present invention;

Fig. 5 B represents the combination stereogram according to Fig. 5 A;

Fig. 6 A represents according to the stereogram of filling element 400 under another visual angle among Fig. 5 A;

Fig. 6 B represents the profile that dissectd according to the plane Z4 among Fig. 6 A;

Fig. 7 A represents the profile that dissectd according to the plane Z3 among Fig. 5 B;

Fig. 7 B represents the enlarged drawing according to the region R 2 of Fig. 7 A;

Fig. 8 represents ink-jet printing head seat 600 is inserted in the stereogram of ink cartridges B;

Fig. 9 A represents the profile that dissectd according to the plane Z5 among Fig. 8;

Fig. 9 B represents the enlarged drawing according to the region R 3 of Fig. 9 A;

Schematic diagram when Figure 10 represents the ink-jet printing head seat 600 among Fig. 9 B separated with ink cartridges B;

Figure 11 A represents the stereogram according to the filling element 400 among Figure 10;

Figure 11 B represents the profile that dissectd according to the plane Z6 among Figure 11 A;

The part sectioned view of the internal structure of the ink cartridges C during Figure 12 A represents according to another embodiment of the present invention;

Figure 12 B represents the enlarged drawing according to the region R 4 of Figure 12 A;

Figure 13 represents ink-jet printing head seat 600 is inserted in the stereogram of ink cartridges C;

Figure 14 represents the profile that dissectd according to the plane Z7 among Figure 13; And

Schematic diagram when Figure 15 represents the ink-jet printing head seat 600 among Figure 14 B separated with ink cartridges C.

See also Fig. 5 A, Fig. 5 B, and please consult Fig. 7 A, Fig. 7 B simultaneously.

Fig. 5 A represents the exploded perspective view of the ink cartridges B structure according to the present invention, and Fig. 5 B represents the combination stereogram according to Fig. 5 A.Fig. 7 A represents the profile that dissectd according to the plane Z3 among Fig. 5 B, and Fig. 7 B represents the enlarged drawing according to the region R 2 of Fig. 7 A;

Shown in Fig. 5 A, ink cartridges B of the present invention includes following each main element: a container 100, is held black body 200, a filter screen 300, a filling element 400 and a cover plate 500, can supply an ink-jet printing head seat 600 required ink by this ink cartridges B.

Please consult Fig. 8, Fig. 9 A, Fig. 9 B earlier.

Fig. 8 represents ink-jet ink-jet printing head seat 600 is inserted in the stereogram of ink cartridges B, and Fig. 9 A represents the profile that dissectd according to the plane Z5 among Fig. 8, and Fig. 9 B represents the enlarged drawing according to the region R 3 of Fig. 9 A.

Shown in Fig. 9 A, Fig. 9 B, ink-jet printing head seat 600 is an ink-jet printing head seat, and this ink-jet printing head seat 600 is arranged on the filling element 400 in separable mode, and this ink-jet printing head seat 600 is in order to be connected with this ink-feed channel 123.

This ink-jet printing head seat 600 includes an ink supply contact pin 610, on this ink supply contact pin 610, be formed with one first opening 611, one second opening 612, a 610T of puncture portion and an ink-jet trigger mechanism (not shown), wherein, between first and second opening 611,612 is to be interconnected, the 610T of this puncture portion is the tapered structure body that is formed at ink supply contact pin 610 terminal parts, and the first above-mentioned opening 611 is positioned on the scalene cone of the 610T of puncture portion.

Below will and concern each other and propose respectively to be described as follows at the structure of each element.

(a) container 100:

Shown in Fig. 5 A, container 100 is a rectangular-shaped hollow housing, has a storage area 110 in these container 100 inside, and this storage area 110 is communicated in the external world via an opening 100H, and this cover plate 500 is in order to cover.

As Fig. 7 A, shown in Fig. 7 B, has a projection 100P in the bottom of container 100 100B, be formed with an ink flow path district 120 in this projection 100P, this ink flow path district 120 includes a recess 121, the ink-feed channel 123 of another recess 122 and a cone-shaped, wherein, this recess 121 is positioned among the storage area 110 of container 100, and around recess 121, be formed with a

continuous flange

121F, 122 of another recesses are the outsides that is provided with toward this container 100, be formed with a face 122S of class in the inside of recess 122, and this ink-feed channel 123 is with two opening 123H1,123H2 is communicated in recess 121 respectively, between 122, the storage area 110 of this container 100 can be interconnected with the external world by this ink flow path district 120.Above-mentioned filter screen 300 is arranged among this recess 121, and by this filter screen 300 to be covered in an open side of ink-feed channel 123.

On the interior sidewall surface of ink-feed channel 123, be formed with several capillary element 125 of space, these grooves 125 are to extend to opening 123H2 with longitudinally continuously from opening 123H1, and be formed with several capillary element 126 of mutual conduction on the interior sidewall surface of recess 121, this groove 126 extends to the bottom surface of recess 121 from the end face of flange 121F.Several capillary element the 125, the 126th in present embodiment adopt the groove pattern to be formed at the interior sidewall surface of this ink-feed channel 123, the interior sidewall surface of this recess 121 respectively, and replace capillary element 125,126 respectively with groove 125,126 for convenience of description.

(b) filter screen 300:

Shown in Fig. 5 A, filter screen 300 is arranged among the recess 121 in the welding mode, and this filter screen 300 is covered on the opening 123H1 of ink-feed channel 123, and the ink W for the ink-feed channel 123 of flowing through filters by this filter screen 300.

(c) hold black body 200:

Shown in Fig. 5 A, it is made by having a porous expanded material (for example: bubble continuous) to hold black body 200, holds black body 200 by this and temporarily ink W is remained among the storage area 110, and hold black body 200 by this and can produce a set back pressure for ink.

When holding black body 200 and be arranged at storage area 110, this side of holding black body 200 can be in abutting connection with oppressing on filter screen 300 and flange 121F, so make this flange 121F be absorbed in, in the groove on the flange 121F 126 and hold between the black body 200 and remain in contact with one another in holding among the black body 200.

Can be by above-mentioned groove 125,126 capillarity that produced so that filter screen 300 can often remain in the ink saturation state, so be beneficial to ink W and can be at any time control oneself without interruption and enter ink-feed channel 123 in the black body 200, can avoid the outside air bubble to be attached on the filter screen 300 simultaneously effectively and hinder ink and flow.

(d) filling element 400:

Please consult Fig. 6 A, Fig. 6 B and Fig. 7 A, Fig. 7 B simultaneously.

Fig. 6 A represents according to the stereogram of filling element 400 under another visual angle among Fig. 5 A, and Fig. 6 B represents the profile that dissectd according to the plane Z4 among Fig. 6 A.

Shown in Fig. 6 A, Fig. 6 B, filling element 400 is the conical flexible member of rubber system, this filling element 400 has a first end 401 and a second end 402, wherein, on first and second end 401,402, be formed with a guidance part 401H and a depressed part 402H with central shaft position respectively with respect to filling element 400, this guidance part 401H is the guidance part that indent forms first end 401, and a blind hole of depressed part 402H to be concave shaped be formed in the second end 402.

Shown in Fig. 7 A, Fig. 7 B, this filling element 400 is arranged at recess 122 in the mode of fluid-tight engagement by its second end 402 (depressed part 402H) toward ink-feed channel 123 among, the second end 402 of this filling element 400 compresses on the face 122S of class that is contacted with recess 122, and the mode that can adopt taper fit between filling element 400 and recess 122 to be to strengthen mutual sealing property, so to prevent that effectively outside air from entering among the container 100 via clogging gap between element 400 and the recess 122.

When desire is positioned ink-jet printing head seat 600 for clog element 400 and communicates with ink-feed channel 123, at first can be with the 610T of puncture portion of this ink-jet printing head seat 600 in alignment with on the guidance part 401H, and under via the active force effect, the 610T of puncture portion of ink-jet printing head seat 600 can successfully be inserted in down among the filling element 400 arbitrarily angled, then when the tip of the 610T of puncture portion is broken through the second end 402 of this filling element 400 and this ink-jet printing head seat 600 and is reached the location fully, among this first opening 611 that the 610T of this puncture portion goes up just can be in ink-feed channel 123 fully, ink W just can import from first opening 611, and is printed on the paper P from 612 outputs of second opening under the driving effect of this ink-jet trigger mechanism (not shown).

When filling element 400 is placed in fully, just can reaches quite desirable sealing effectiveness when being arranged at recess 122, and do not need extra hermetically-sealed construction (being with 5 to seal the usefulness of ink feed slot), so can reach and reduce assembly and the advantage of simplifying technology as the plastic cement envelope in the previous patent design.

In addition, can be regularly under the capillarity of the groove 126 (capillary element) of the groove 125 of ink-feed channel 123, recess 121 make the ink W black body 200 of controlling oneself continuously enter among the ink-feed channel 123 with the ink W program of preserving moisture, so to provide the ink-jet printing head seat required China ink amount for filter screen 300.

See also Figure 10, Figure 11 A, Figure 11 B.

Schematic diagram when Figure 10 represents the ink-jet printing head seat 600 among Fig. 9 B separated with ink cartridges B, Figure 11 A represents the stereogram according to the filling element 400 among Figure 10, Figure 11 B represents the profile that dissectd according to the plane Z6 among Figure 11 A.

As shown in figure 10, when ink-jet printing head seat 600 detaches in ink cartridges B, because a wherein end face (first end 401) of the filling element 400 of present embodiment is to take sealing (single end face sealing), the other end (the second end 402) is the design for openend, make the ink supply contact pin 610 of working as ink-jet printing head seat 600 detach fully in filling element 400, this filling element 400 can its material have elasticity can reply shrink immediately under the effect of characteristic airtight (as Figure 10, shown in Figure 11 B), thereby can be with ink-feed channel 123 and the extraneous state that reaches complete closed, so can avoid effectively ink overflow and air enters ink-feed channel.

Therefore when ink-jet printing head seat 600 is connected with ink cartridges B once more when carrying out the supply operation of ink in the future, the ink supply contact pin 610 of this ink-jet printing head seat 600 only needs just can reach the purpose that communicates with ink-feed channel 123 along original insertion program of carrying out, and carries out ink supply printing action smoothly.

See also Figure 12 A, Figure 12 B, the part sectioned view of the internal structure of the ink cartridges C during Figure 12 A represents according to another embodiment of the present invention, Figure 12 B are represented the enlarged drawing according to the region R 4 of Figure 12 A.

The difference of the ink cartridges C of present embodiment and the maximum of above-mentioned ink cartridges B is, the exit position structure in the ink flow path district 120 ' of this ink cartridges C is different from the exit position structure in the ink flow path district 120 of this ink cartridges B, that is, on the exit position in this ink flow path district 120 ', be formed with a collar flange 120F, this collar flange 120F is convexly set on the face 122S of this class, the opening 123H2 ' of this ink-feed channel 123 ', be positioned on the terminal part on this collar flange 120F, several grooves 125 ' on this ink-feed channel 123 ' this opening 123H1 ' certainly extend to this opening 123H2 '.Other each element that is same as in the foregoing description adopts identical symbol, just repeats no more in this.

Can be found out that by Figure 12 B this filling element 400 utilizes its second end 402 closely to be sticked between this collar flange 120F, this recess 122, so this filling element 400 just can seal completely for the opening 123H2 ' of this ink-feed channel 123 '.

As Figure 13, shown in Figure 14, when ink-jet printing head seat 600 is inserted in ink cartridges C and reach when location fully, among this first opening 611 of the 610T of this puncture portion can be in ink-feed channel 123 ' equally fully, ink W just can import from first opening 611, so just can ink output be printed on the paper P from second opening 612.

Schematic diagram when Figure 15 represents the ink-jet printing head seat 600 among the 14th figure separated with ink cartridges C.

Owing between the filling element 400 of present embodiment and this collar flange 120F in this ink flow path district 120 ' quite desirable contact area is arranged, when ink-jet printing head seat 600 detaches with ink cartridges B, this filling element 400 can firmly be positioned on this ink flow path district 120 ', and its material have elasticity can reply shrink immediately under the effect of characteristic airtight, so so that this ink-feed channel 123 ' is sealed completely with the external world, the contained effect by this collar flange 120F simultaneously can effectively reduce the active force of bestowing ink cartridges.

Comprehensive as can be known above-mentioned, the present invention has the following advantages:

(a) design of ink cartridges of the present invention is more simple than prior art, only clog the element close fit in the ink feed slot of ink cartridges, promptly possessed ink supply conducting mechanism, sealing ink cartridges and the making of compensation ink-jet printing head seat function simultaneously with build-up tolerance with an elasticity.

(b) ink cartridges of the present invention is improved the restriction of known technology, when ink supply contact pin 610 carries out after separating with ink cartridges B, though filling element 400 end face 401 of sealing is originally punctured by ink supply contact pin 610, but because filling element 400 has the characteristic that elasticity is replied, so make the place of being punctured of this filling element 400 can recover air-tight state immediately, stop outside air to enter in the ink-feed channel 123 of ink cartridges B in time, make and only have ink W in the ink-feed channel 123, when treating to insert ink supply contact pin 610 once more, ink supply contact pin 610 enters can take out at once in the ink-feed channel 123 draws ink W, carries out ink jet printing smoothly.

(c) the capillary element design of the present invention's newly-increased as groove in ink feed slot makes filter screen 300 keep the ink saturation states, can effectively reduce air and be attached to probability on the filter screen 300, reaches and avoids the mobile function that is hindered of ink W.

(d) filling element 400 of the present invention is simple in structure, is easy to make and assembling, can significantly reduce the integral production cost of ink cartridges B.

(e) ink cartridges of the present invention has characteristics such as whole component part is few, assembling is easy, simplified manufacturing process, and production cost is low.

Though the present invention discloses as above with preferred embodiment; yet be not in order to restriction the present invention; any technical staff who is familiar with this field; without departing from the spirit and scope of the present invention; change and retouching when doing, so protection scope of the present invention is worked as with being as the criterion that appended claim scope is defined.

Claims

1. ink cartridges, in order to the output ink, this ink cartridges comprises:

One container, in order to hold this ink, this container has at least one passage; And

One filling element has a depressed part, and this depressed part is connected in this passage, and this ink is to arrive at this depressed part via this passage.

2. ink cartridges as claimed in claim 1 wherein, also includes one and holds black body, and this is held Mo Tishi and is arranged among this container.

3. ink cartridges as claimed in claim 1 wherein, utilizes an ink-jet printing head seat to be connected with this passage by this filling element, carries for this ink by this ink-jet printing head seat.

4. ink cartridges as claimed in claim 1, wherein, this filling element also includes a guidance part.

5. ink cartridges as claimed in claim 1, wherein, this filling element is made by rubber.

6. ink cartridges, in order to the output ink, this ink cartridges comprises:

One container, in order to hold this ink, this container has at least one passage, is formed at several capillary element of this passage, and this ink is via this passage and this capillary element;

One holds black body, and in order to hold this ink, this is held black body and is arranged among this container; And

One filling element has a depressed part, and this depressed part is connected in described passage, this capillary element, and this ink arrives at this depressed part via this passage, this capillary element.

7. ink cartridges as claimed in claim 6, wherein, this capillary element is that at least one ditch is poor.

8. ink cartridges as claimed in claim 6 wherein, utilizes an ink-jet printing head seat to be connected with this passage by this filling element, carries for this ink by this ink-jet printing head seat.

9. ink cartridges as claimed in claim 6, wherein, this filling element also includes a guidance part.

10. ink cartridges as claimed in claim 6, wherein, this filling element is made by rubber.

11. an ink cartridges, in order to the output ink, this ink cartridges comprises:

One container, in order to hold this ink, this container has an at least one passage and a flange: and

One filling element is arranged at this flange, and this filling element has a depressed part, and this depressed part is connected in this passage, and this ink arrives at this depressed part via this passage.

12. ink cartridges as claimed in claim 11 wherein, also includes one and holds black body, this is held black body and is arranged among this container.

13. ink cartridges as claimed in claim 11 wherein, utilizes an ink-jet printing head seat to be connected with this passage by this filling element, carries for this ink by this ink-jet printing head seat.

14. ink cartridges as claimed in claim 11, wherein, this filling element also includes a guidance part.

15. ink cartridges as claimed in claim 11, wherein, described filling element is made by rubber.

16. an ink cartridges, in order to the output ink, this ink cartridges comprises:

One container, in order to hold this ink, this container has an at least one passage and a flange;

At least one capillary element is formed at this passage, this flange, and this ink is via this passage and this capillary element;

One filling element is arranged at this flange, and this filling element has a depressed part, and this depressed part is connected in this passage, this capillary element, and this ink arrives at this depressed part via this passage, this capillary element.

17. ink cartridges as claimed in claim 16, wherein, this capillary element is at least one groove.

18. ink cartridges as claimed in claim 16 wherein, utilizes an ink-jet printing head seat to be connected with this passage by this filling element, carries for this ink by this ink-jet printing head seat.

19. ink cartridges as claimed in claim 16, wherein, this filling element also includes a guidance part.

20. ink cartridges as claimed in claim 16, wherein, this filling element is made by rubber.