CN102658726B - Ink storage device for ink-jet printer - Google Patents

Ink storage device for ink-jet printer Download PDF

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Publication number
CN102658726B
CN102658726B CN201210171130.2A CN201210171130A CN102658726B CN 102658726 B CN102658726 B CN 102658726B CN 201210171130 A CN201210171130 A CN 201210171130A CN 102658726 B CN102658726 B CN 102658726B
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ink
shell
storage device
bubble
jet printer
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CN102658726A (en
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韩晓琴
彭自明
刘子文
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WEIFANG DONGHANG GRAPHIC TECHNOLOGY Inc
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WEIFANG DONGHANG GRAPHIC TECHNOLOGY Inc
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Abstract

The invention discloses an ink storage device for an ink-jet printer. The ink storage device comprises an ink box and an ink barrel used for feeding ink into the ink box. The ink box comprises a shell, a flow guide plate and an ink baffle, the flow guide plate is mounted in the shell and comprises an ink guide plate and an upper ejector plate, the ink guide plates are obliquely arranged at outlets of an ink inlet tube and an ink return tube, the upper ejector plate is connected with the upper ends of the ink guide plates, and a bubble passage is formed between the upper ejector plate and the upper top face of the shell. The ink baffle is arranged on the lower portion of the flow guide plate, a gap for ink feeding is reserved between the ink baffle and the side wall of the shell, an ink containing gap is reserved between the ink baffle and the inner bottom face of the shell, the lower end of an ink outlet tube penetrates through the ink baffle to extend into the ink containing gap, and a bubble guide device is arranged in the bubble passage and used for guiding bubbles away and eliminating the bubbles. Replacement of the ink box is not needed, so that printing cost is saved. In addition, bubbles in the ink box are effectively eliminated, and accordingly printing quality is improved.

Description

Ink-jet printer ink storage device
Technical field
The present invention relates to ink-jet printer technical field, be specifically related to a kind of ink-jet printer ink storage device.
Background technology
Along with the development of ink-jet printing technology, current commercially available ink-jet printer provides Mo Yuan by print cartridge, via ink-feeding tube, ink is transported to shower nozzle, and shower nozzle is injected into ink paper etc. and undertakes the printing of on medium under the driving of printing signal, completes the printing of character or figure.
But, existing ink-jet printer, its print cartridge in use for some time, can must change because its ink exhausts, common replacing method is to abandon the print cartridge that its ink has exhausted, changing deposit has the print cartridge of brand-new ink so that Mo Yuan to be provided again, and this mode inevitably causes the waste of print cartridge China ink body.
In addition, use the ink-jet printer of above-mentioned conventional ink cartridge, after using a period of time or idle a period of time, in its ink-feeding tube and print cartridge, there will be bubble, cause ink feeding system pressure instability, affect printing quality.
Summary of the invention
Technical problem to be solved by this invention is: a kind of ink-jet printer ink storage device is provided, first solved the wasting problem of replacing print cartridge, saved printing cost, in addition, solved in ink-jet printer cyclic ink supply system and easily occurred that bubble causes the problem of ink feeding system pressure instability, has improved printing quality.
For solving the problems of the technologies described above, technical scheme of the present invention is: ink-jet printer ink storage device, comprise print cartridge and for print cartridge being added to black China ink bucket, between described print cartridge and described China ink bucket, be provided with and add China ink pipe and add black control system, described print cartridge comprises:
Shell, defines described shell and has the first relative side and the second side, in described shell and be positioned at shell the first side and be provided with ink inlet tube and ink reclaiming pipe, described ink inlet tube with described in add China ink pipe and be connected; In described shell and be positioned at shell the second side and be provided with ink tube; In described cover top portion and be positioned at shell the second side and be provided with outtake tube;
Be installed on the deflector in described shell, described deflector comprise be located at the exit of described ink inlet tube and ink reclaiming pipe and be obliquely installed lead black plate, and the upper plate being connected with described upper end of leading black plate, between the upper end face of described upper plate and shell, form bubble passage;
Be located at the ink block board of described deflector bottom, between described ink block board and the sidewall of shell, have for walking black gap, between described ink block board and the inner bottom surface of shell, have Rong Mo gap, the lower end of described ink tube extend into described Rong Mo gap through described ink block board;
In described bubble passage, be provided with for leading away and eliminate the bubble guiding device of bubble.
As a kind of preferred technical scheme, described bubble guiding device comprises the some flow deflectors that are arranged side by side, and described flow deflector extends towards the direction of described outtake tube.
As a kind of preferred technical scheme, described flow deflector is arc line shaped.
As a kind of preferred technical scheme, described flow deflector is fixed on described shell.
As a kind of preferred technical scheme, on the inner bottom surface of described shell, be provided with back-up block, described ink block board is installed on described back-up block.
As a kind of preferred technical scheme, in the bottom of described shell, be provided with heating plate.
As a kind of preferred technical scheme, in the bottom of described shell, be provided with the conduit of using for emptying ink, on described conduit, be provided with switch.
As a kind of preferred technical scheme, described shell comprises lower house and upper cover, and the junction of described lower house and described upper cover is provided with sealing ring.
As a kind of preferred technical scheme, described in add black control system and comprise: the pump that adds Mo Guanshang described in being installed on; Insert the liquid level sensor in described print cartridge shell; The ECU of controlling described pump startup or stopping according to the metrical information of described liquid level sensor.
Adopted after technique scheme, the invention has the beneficial effects as follows:
1. first, ink-jet printer of the present invention ink storage device, it comprises built-in print cartridge and for print cartridge being added to the external China ink bucket of China ink, between print cartridge and China ink bucket, be provided with and add China ink pipe and add black control system, add black control system and can adopt following structure: comprise and be installed on pump, the liquid level sensor in insertion print cartridge shell and the ECU starting or stoping according to the metrical information control pump of liquid level sensor that adds Mo Guanshang.By adding black control system, ink is guided in built-in print cartridge via adding black pipe by external China ink bucket.Add black control system and also can adopt siphon mode.Adopt above-mentioned design, avoided the waste of print cartridge China ink body, when an ink is used up in China ink bucket, change China ink bucket, and adopt above-mentioned add black control system carry out automatically controlling make to add black easy to operate.
2. secondly, ink-jet printer of the present invention ink storage device, can eliminate the bubble in print cartridge, makes the ink-feeding tube ink inside supply of cyclic ink supply system continuous, has improved printing quality.The bubble producing in print cartridge is that China ink produces when entering print cartridge, and the China ink entering in print cartridge has three kinds of situations, and a kind of situation is the China ink amount of depositing in print cartridge when inadequate, add in black process by with add the ink inlet tube that China ink pipe is connected and enter print cartridge; Another kind of situation is cyclic ink supply system Hui Mo when sprinkler pressure is unstable, now by a large amount of minute bubbles of spray nozzle suction, together with China ink, by ink reclaiming pipe, enters print cartridge; Also having a kind of situation is system initial operating stage, because whole ink feeding system seals, the China ink in system can be carried secretly to bubble and be pushed in print cartridge by ink reclaiming pipe.The exit of ink inlet tube and ink reclaiming pipe is tiltedly installed with leads black plate, entering China ink in print cartridge all beats at this and leads on black plate, then along leading under black plate current, through the gap between ink block board and side wall of outer shell, enter the Rong Mo gap of outer casing bottom, at Mo Da, lead in black plate and suitable its process flowing down, part bubble is led black plate and is broken up, all the other bubbles can float over China ink above, when bubble runs up to a certain degree, bubble can move along the bubble passage between end face on upper plate and shell, then by the bubble guiding device in bubble passage, in the process of leading away, eliminated, last remaining small part bubble is exported along the outtake tube of cover top portion.Above-mentioned design has guaranteed there is no bubble in the Rong Mo gap of ink block board below, thereby has guaranteed there is no bubble from ink tube enters the China ink of cyclic ink supply system, and system pressure is stable, has improved printing quality.
Further, bubble guiding device can be to comprise the some flow deflectors that are arranged side by side, and its direction towards outtake tube is extended.Adopt above-mentioned design, in the process that bubble moves in bubble passage, be squeezed in the passageway between flow deflector, racked, further eliminated bubble, preferred, flow deflector is designed to arc line shaped, not only lengthen thread, and increased the collision opportunity of bubble and flow deflector inwall, improved the effect of eliminating bubble.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the structural representation of print cartridge in the embodiment of the present invention;
Fig. 3 is the D-D cutaway view of Fig. 2;
Fig. 4 is the structural representation of flow deflector in the embodiment of the present invention.
In figure: 1. print cartridge, 2. China ink bucket, 3. adds China ink pipe, 41. pumps, 42. liquid level sensors, 43. ECUs, 5. filter, 6. liquid level sensor; 11. shells, 111. lower houses, 112. upper covers, 113. sealing rings, 12. ink inlet tubes, 13. ink reclaiming pipes, 14. ink tubes, 15. outtake tubes, 16. ink block boards, 161. back-up blocks, 171. lead black plate, 172. upper plates, 18. flow deflectors, 19. heating plates, 20. conduits; A. Rong Mo gap, B. walks black gap, C. bubble passage.
The specific embodiment
For realizing ink-jet printer cyclic ink supply system continuous ink feeding, and keep its negative regulation in certain limit, the China ink that requirement enters in cyclic ink supply system can not have any bubble, the present embodiment provides a kind of ink-jet printer that can eliminate bubble ink storage device, and solved print cartridge waste problem, saved printing cost.
As shown in Figure 1, ink-jet printer of the present invention ink storage device, comprises print cartridge 1 and for print cartridge 1 being added to black China ink bucket 2, between print cartridge 1 and China ink bucket 2, is provided with and adds China ink pipe 3 and add black control system.Describedly add black control system and comprise: be installed on the pump 41 adding on China ink pipe 3; Insert the liquid level sensor 42 in print cartridge 1 shell; The ECU 43 starting or stoping according to the metrical information control pump 41 of liquid level sensor 42.ECU 43 wherein can adopt single-chip microcomputer etc. to realize.And filter 5 is set for eliminating the impurity of China ink adding on China ink pipe 3.
When liquid level sensor 42 detects China ink in print cartridge 1 lower than lower limit, ECU 43 control pumps 41 start, China ink in China ink bucket 2 is pumped in print cartridge 1 via adding China ink pipe 3, when the China ink in print cartridge 1 being detected reaches higher limit, ECU 43 control pumps 41 stop, guaranteed the China ink amount of depositing in print cartridge 1, cyclic ink supply system is carried out continuously.
Add black control system and also can adopt siphon mode.Adopt above-mentioned design, avoided the waste of print cartridge 1, when China ink bucket 2 interior inks are used up, change China ink bucket 2, and adopt above-mentioned add black control system carry out automatically controlling make to add black easy to operate.
The consumption of Mo Tong 2 China and Mexico is realized by another liquid level sensor 6, and while China ink in China ink bucket 2 being detected lower than minimum liquid level, ECU 43 is reported to the police, and staff sees alarm signal, changes China ink bucket 2, or directly in China ink bucket 2, adds China ink, guarantees that it normally works.
As shown in Figures 2 and 3, print cartridge 1 comprises shell 11, defines this shell 11 and has the first relative side and the second side.Shell 11 comprises lower house 111 and upper cover 112, in lower house 111 and the junction of upper cover 112, is provided with sealing ring 113, prevents that China ink from spilling.
In shell 11 and be positioned at shell the first side and be provided with ink inlet tube 12 and ink reclaiming pipe 13; In shell 11 and be positioned at shell the second side and be provided with ink tube 14; At shell 11 tops and be positioned at shell the second side and be provided with outtake tube 15.Wherein, ink inlet tube 12 with add China ink pipe 3 and be connected for realization and add China ink to print cartridge 1; In the cyclic ink supply system of printing machine, China ink enters ink feeding system by ink tube 14, is delivered to shower nozzle and completes printing, at shower nozzle place, by 13 times China inks of ink reclaiming pipe, flow back in print cartridge.
In shell 11, be provided with deflector, described deflector comprise be located at the exit of ink inlet tube 12 and ink reclaiming pipe 13 and be obliquely installed lead black plate 171, and the upper plate 172 being connected with the upper end of leading black plate 171, between the upper end face of upper plate 172 and shell, form bubble channel C.
In deflector bottom, be provided with ink block board 16, between described ink block board 16 and the sidewall of shell, have for walking black gap B, between ink block board 16 and the inner bottom surface of shell, there is Rong Mo gap A, concrete, on the inner bottom surface of shell, be provided with back-up block 161, ink block board 16 is installed on back-up block 161.The lower end of ink tube 14 extend into Rong Mo gap A through ink block board 16, and preferred, the lower port of ink tube 14 is apart from shell 11 inner bottom surface 2mm.
In above-mentioned bubble channel C, be provided with for leading away and eliminate the bubble guiding device of bubble.
Because being tiltedly installed with, the exit of ink inlet tube 12 and ink reclaiming pipe 13 leads black plate 171, the interior black quantity not sufficient of print cartridge 1 enters the China ink in print cartridge 1 while adding China ink by ink inlet tube 12, or cyclic ink supply system enters the China ink in print cartridge 1 by 13 times China inks of ink reclaiming pipe, all beat at this and lead on black plate 171, then along leading black plate 171, flow down, through the gap B between ink block board 16 and side wall of outer shell, enter the Rong Mo gap A of outer casing bottom, at Mo Da, lead in black plate 171 and suitable its process flowing down, part bubble is led black plate 171 and is broken up, all the other bubbles can float over China ink above, when bubble runs up to a certain degree, bubble can move along the bubble channel C between end face on upper plate 172 and shell, then by the bubble guiding device in bubble channel C, in the process of leading away, eliminated, last remaining small part bubble is exported along the outtake tube 15 of cover top portion.Above-mentioned design has guaranteed there is no bubble in the Rong Mo gap A of ink block board 16 belows, thereby has guaranteed there is no bubble from ink tube 14 enters the China ink of cyclic ink supply system, and system pressure is stable, has improved printing quality.
Above-mentioned bubble guiding device can adopt following structure: comprise and be fixed on some on the shell flow deflectors that are arranged side by side 18, flow deflector 18 extends towards the direction of outtake tube 15.Adopt above-mentioned design, in the process that bubble moves in bubble channel C, be squeezed in the passageway between flow deflector 18, racked, further eliminate bubble.Preferably, flow deflector 18 is designed to arc line shaped, as shown in Figure 4, has not only lengthened thread, and has increased the collision opportunity of bubble and flow deflector inwall, has improved the effect of eliminating bubble.
In addition, winter, temperature was lower, the mobility variation of China ink, and when ink feeding system has just started to enter work, China ink needs just can circulate for a long time, has reduced operating efficiency.In order to address this problem, at the bottom of print cartridge 1 sticking heating plates 19, when system testing environment temperature is lower than 0 degree Celsius like this, automatically opens and heat, assurance cyclic ink supply system is worked smoothly.
In addition, convenient in order to clean print cartridge, in the bottom of shell, be provided with the conduit 20 of using for emptying ink, on conduit 20, be provided with switch.
Under above-mentioned instruction of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment; and these improvement and distortion; all drop in protection scope of the present invention; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained object of the present invention, and protection scope of the present invention is limited by claim and equivalent thereof.

Claims (8)

1. ink-jet printer ink storage device, is characterized in that: comprise print cartridge and for print cartridge being added to black China ink bucket, between described print cartridge and described China ink bucket, be provided with and add China ink pipe and add black control system, described print cartridge comprises:
Shell, defines described shell and has the first relative side and the second side, in described shell and be positioned at shell the first side and be provided with ink inlet tube and ink reclaiming pipe, described ink inlet tube with described in add China ink pipe and be connected; In described shell and be positioned at shell the second side and be provided with ink tube; In described cover top portion and be positioned at shell the second side and be provided with outtake tube;
Be installed on the deflector in described shell, described deflector comprise be located at the exit of described ink inlet tube and ink reclaiming pipe and be obliquely installed lead black plate, and the upper plate being connected with described upper end of leading black plate, between the upper end face of described upper plate and shell, form bubble passage;
Be located at the ink block board of described deflector bottom, between described ink block board and the sidewall of shell, have for walking black gap, between described ink block board and the inner bottom surface of shell, have Rong Mo gap, the lower end of described ink tube extend into described Rong Mo gap through described ink block board;
In described bubble passage, be provided with for leading away and eliminate the bubble guiding device of bubble, described bubble guiding device comprises the some flow deflectors that are arranged side by side, and described flow deflector extends towards the direction of described outtake tube.
2. ink-jet printer as claimed in claim 1 ink storage device, is characterized in that: described flow deflector is arc line shaped.
3. ink-jet printer as claimed in claim 2 ink storage device, is characterized in that: described flow deflector is fixed on described shell.
4. ink-jet printer as claimed in claim 1 ink storage device, is characterized in that: on the inner bottom surface of described shell, be provided with back-up block, described ink block board is installed on described back-up block.
5. ink-jet printer as claimed in claim 1 ink storage device, is characterized in that: the bottom at described shell is provided with heating plate.
6. ink-jet printer as claimed in claim 1 ink storage device, is characterized in that: in the bottom of described shell, be provided with the conduit of using for emptying ink, on described conduit, be provided with switch.
7. the ink-jet printer ink storage device as described in claim as arbitrary in claim 1 to 6, is characterized in that: described shell comprises lower house and upper cover, and the junction of described lower house and described upper cover is provided with sealing ring.
8. the ink-jet printer ink storage device as described in claim as arbitrary in claim 1 to 6, is characterized in that: described in add black control system and comprise:
The pump that adds Mo Guanshang described in being installed on;
Insert the liquid level sensor in described print cartridge shell;
The ECU of controlling described pump startup or stopping according to the metrical information of described liquid level sensor.
CN201210171130.2A 2012-05-29 2012-05-29 Ink storage device for ink-jet printer Active CN102658726B (en)

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