CN201099043Y

CN201099043Y - Ink box

Info

Publication number: CN201099043Y
Application number: CNU2007200562165U
Authority: CN
Inventors: 胡诚
Original assignee: Print Rite Technology Development Co Ltd of Zhuhai
Current assignee: Print Rite Technology Development Co Ltd of Zhuhai
Priority date: 2007-08-23
Filing date: 2007-08-23
Publication date: 2008-08-13
Anticipated expiration: 2017-08-23

Abstract

The utility model provides an ink box which comprises a main body defining an ink storage chamber and an ink supply chamber, an ink supply port provided on one side wall of the main body to facilitate the external ink supply of the ink supply chamber, and an air hole through which the ink storage chamber communicates with the external atmosphere, wherein the ink supply chamber is formed by a main ink supply chamber and an auxiliary ink supply chamber, which communicates with each other, the main ink supply chamber is connected with the ink supply port, and the auxiliary ink supply chamber is positioned above the main ink supply chamber. The auxiliary ink supply chamber is additionally arranged above the main ink supply chamber, so that the air of the main ink supply chamber is transferred to the upper part of the auxiliary ink supply chamber instead of the ink supply needle of the printer, thereby ensuring the printing quality.

Description

Print cartridge

Technical field

The utility model relates to a kind of cartridge of ink-jet printer, the particularly a kind of print cartridge that can eliminate the ink supply intracavity gas.

Background technology

Cartridge of ink-jet printer constitutes black chamber by box body and lid usually, lid is fixed on the box body by modes such as welding, the same wall of box body or different walls are provided with and are used for being connected with ink supply port and the passage that black chamber is communicated with atmosphere to printer supply ink with the ink supply pin of printer, certain negative pressure is kept by built-in sponge, pressure-regulating valve or other mechanisms in one or more black chamber in the print cartridge, to continue constant ink supply to printer.

Fig. 1 is the box body structure figure of existing a kind of print cartridge, has wherein omitted parts such as lid.Referring to Fig. 1, a sidewall of box body 1 is provided with ink supply port 11, box body 1 inner route clapboard is separated out first ink storage chamber 12, second ink storage chamber 13 and ink supply chamber 14, ink supply port 11 is communicated with ink supply chamber 14, first ink storage chamber 12 is communicated with atmosphere by plasmas channel and the passage on another sidewall of box body (invisible among Fig. 1) that is arranged on the box body back side, second ink storage chamber 13 is arranged on the top of first ink storage chamber 12, its cavity is divided into a plurality of zones that communicate with each other by a plurality of vertical clapboards, first ink storage chamber 12 and second ink storage chamber 13 are by intercommunicating pore 121,131 are communicated with, and first ink storage chamber 12 is communicated with ink supply chamber 14 by the ink channel that is arranged on box body 1 back side.

Because when irritating China ink, the gas in the black chamber can not arranged very totally, there is a certain amount of gas in the usually new print cartridge.For print cartridge with above-mentioned box body, if print cartridge is inverted for a long time, promptly be in the ink supply chamber under the state above the ink storage chamber before installation, because the density of ink and gas is different, the most of gas in the print cartridge will converge in the ink supply chamber.If under this state the print cartridge installation is printed, promptly the wall at ink supply port place is vertically placed, because the black road between ink supply chamber and ink storage chamber is very narrow, the gas in the ink supply chamber is difficult to flow back to ink storage chamber.During printing, the gas in the ink supply chamber will enter printer, causes print quality problems such as printing white line bar, disconnected China ink, even can influence the operate as normal of printer.

Summary of the invention

The purpose of this utility model provides a kind of print cartridge that can eliminate the ink supply intracavity gas, guarantee print quality.

For achieving the above object, the print cartridge that provides of the utility model comprises the box body that surrounds ink storage chamber and ink supply chamber; Sidewall of this box body is provided with the ink supply port that the ink supply chamber is outwards provided ink; The passage that is communicated with ink storage chamber and atmosphere; Wherein, the ink supply chamber is made of main ink supply chamber that is interconnected and auxilliary ink supply chamber, and main ink supply chamber directly links to each other with ink supply port, and auxilliary ink supply chamber is positioned at the top in main ink supply chamber.

Adopt the print cartridge of technique scheme, auxilliary ink supply chamber is above main ink supply chamber, and the gas that is present in main ink supply chamber in print procedure can be transferred to the top in auxilliary ink supply chamber, can not enter printer, thereby guarantee print quality.Before installation is printed, no matter how print cartridge is placed, and has ink all the time in the auxilliary ink supply chamber, therefore after the print cartridge installation, ink will fill up whole main ink supply chamber fast in main ink supply chamber or the auxilliary ink supply chamber, also just the problem that existing print cartridge occurs can not occur when installation is printed at the beginning.

Description of drawings

Fig. 1 is the box body structure figure of existing print cartridge;

Fig. 2 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment;

Fig. 3 is the box body structure figure of the utility model embodiment;

Fig. 4 is the front view of Fig. 3;

The utility model is described in further detail below in conjunction with drawings and Examples.

The specific embodiment

Referring to Fig. 2, the utility model print cartridge comprises box body 2 and lid 3, box body 2 has surrounded ink storage chamber and ink supply chamber, and lid 3 adopts welding manner to be fixed on the box body 2, and the ink supply pin that box body 2 is provided with at the middle part of a sidewall for printer inserts with the ink supply port 21 to printer supply ink.

Referring to Fig. 3, on the diapire of box body, be provided with the passage 201 of connection ink storage chamber and atmosphere and the filling China ink mouthful (not shown) of neighbour passage 201, filling China ink mouthful the connection atmosphere and first ink storage chamber 23 generally with the plug sealing, are only opened to irritate China ink to print cartridge at filling Mo Shicai.First ink storage chamber 23 is arranged on the box body bottom near diapire, and second ink storage chamber 24 is arranged on the top of first ink storage chamber 23, and vertically a plurality of dividing plates that are provided with are divided into a plurality of zones that are interconnected to second ink storage chamber 24.Dividing plate 200 is separated first ink storage chamber 23 and the second black chamber 24, is provided with the through hole 204 and 205 that is communicated with first ink storage chamber 23 and second ink storage chamber 24 on the sloping portion of dividing plate 200.The ink supply chamber of present embodiment is made of main ink supply chamber 22 that is interconnected and auxilliary ink supply chamber 25, and auxilliary ink supply chamber 25 is arranged on the top in main ink supply chamber 22, the volume in volumetric ratio master's ink supply chamber 22 is big, and the two is communicated with by black road 213, and main ink supply chamber 22 is communicated with ink supply port 21.

Referring to Fig. 2, on the back side of box body, have tortuous groove 211, diaphragm seal 4 is attached on the box body groove 211 is covered, groove 211 and the diaphragm seal 4 common plasmas channels that form print cartridge.Groove 211 is communicated with passage 201 (see figure 3)s and first ink storage chamber 23 by 202,203 (see figure 4)s of the through hole on the box body respectively.Atmosphere enters first ink storage chamber 23 through passage 201, through hole 202, groove 211 and through hole 203 successively.Also be provided with groove 212 on the back side of box body, diaphragm seal 5 is attached on the box body groove 212 is covered, and groove 212 and ambient atmosphere are isolated, diaphragm seal 5 and ink channel of groove 212 common formation.Groove 212 is communicated with first ink storage chamber 23 and main ink supply chamber 22 by 206,207 (see figure 4)s of the through hole on the box body respectively, and the ink in first ink storage chamber 23 enters main ink supply chamber 22 through through hole 206, groove 212 and through hole 207 successively.

Because when irritating China ink, the gas in the print cartridge can not arranged very totally, there is a certain amount of gas in the usually new print cartridge.Before installation was printed, no matter how print cartridge was placed, and had ink all the time in the auxilliary ink supply chamber 25.Therefore after print cartridge is installed printer, box body state is as shown in Figure 4 placed, auxilliary ink supply chamber 25 is above main ink supply chamber 22, ink in main ink supply chamber 22 or the auxilliary ink supply chamber 25 will fill up whole main ink supply chamber 22 fast, gas in the main ink supply chamber 22 is then assembled the top in auxilliary ink supply chamber 25 fast, thereby can not enter printer, thereby guaranteed print quality.

Below in conjunction with Fig. 3 and Fig. 4 the course of work of print cartridge when printing is described.Box body state placement as shown in Figure 4 when print cartridge is installed on the printer, first ink storage chamber 23 and main ink supply chamber 22 are full of ink, and only there is a small amount of gas in the top in second ink storage chamber 24 and auxilliary ink supply chamber 25.During printing, the ink supply pin of printer is drawn ink from the ink supply port 21 of print cartridge, ink in second ink storage chamber 24 enters first ink storage chamber 23 by the through hole on the dividing plate 200 205 successively, enters main ink supply chamber 22 by the groove 212 on the through hole on the box body 206, the box body back side, through hole 207 successively by first ink storage chamber 23 again.In the process that ink in second ink storage chamber 24 is consumed, atmosphere enters first ink storage chamber 23 by the groove 211 on the through hole on the passage on the box portion bottom wall 201, the box body 202, the box body back side, through hole 203 successively, replenishes into second ink storage chamber 24 by first ink storage chamber 23 by the through hole on the next door 200 204 again.Because of there is difference in height in through hole 204 and 205 on the position, the ink of second ink storage chamber 24 mainly enters first ink storage chamber 23 by the lower through hole 205 in position, and the gas in first ink storage chamber 23 mainly enters second ink storage chamber 24 by the higher through hole 204 in position.The consumption of ink is followed successively by in proper order: main ink supply chamber 22, auxilliary ink supply chamber 25, first ink storage chamber 23 and second ink storage chamber 24.In the whole consumption process of ink, the gas in the main ink supply chamber 22 is assembled the top in auxilliary ink supply chamber 25 and can not entered printer, print quality problems such as white line bar, disconnected China ink can not occur.

Again can ink after the utility model box body consumption of ink is intact.For common print cartridge user, because of it lacks professional ink Canning Technique and equipment, print cartridge is irritated again in the auxilliary ink supply chamber, China ink back and is had more bubble.At this problem, on the roof of print cartridge, be provided with through hole 208 (see figure 2)s that are communicated with atmosphere and auxilliary ink supply chamber 25, through hole 208 preferably seals with plug.Again behind the can ink,, the entry needle of syringe is passed plug inject auxilliary ink supply chamber 25, the gas in the auxilliary ink supply chamber 25 is extracted out with apparatus such as syringe.Bleeding finishes after entry needle extracts, and plug reseals through hole 208.

Claims

1, print cartridge comprises

Surround the box body in ink storage chamber and ink supply chamber;

Sidewall of box body is provided with the ink supply port that the ink supply chamber is outwards provided ink;

The passage that is communicated with ink storage chamber and atmosphere;

It is characterized in that:

The ink supply chamber is made of main ink supply chamber that is interconnected and auxilliary ink supply chamber, and main ink supply chamber directly links to each other with ink supply port, and auxilliary ink supply chamber is positioned at the top in main ink supply chamber.

2, print cartridge according to claim 1 is characterized in that:

Described auxilliary ink supply chamber has than the big volume in main ink supply chamber.

3, print cartridge according to claim 2 is characterized in that:

The roof in described auxilliary ink supply chamber is provided with the through hole with the plug sealing.

4, according to claim 1 or 3 described print cartridges, it is characterized in that:

Described ink storage chamber is divided into first ink storage chamber and second ink storage chamber that is interconnected by a dividing plate, and first ink storage chamber is communicated with atmosphere and described main ink supply chamber.

5, print cartridge according to claim 4 is characterized in that:

Described second ink storage chamber is above described first ink storage chamber.

6, print cartridge according to claim 5 is characterized in that:

Described first ink storage chamber and described second ink storage chamber are by there being two channel connections of position height difference.