CN201494097U - Ink box - Google Patents
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- CN201494097U CN201494097U CN2009201938875U CN200920193887U CN201494097U CN 201494097 U CN201494097 U CN 201494097U CN 2009201938875 U CN2009201938875 U CN 2009201938875U CN 200920193887 U CN200920193887 U CN 200920193887U CN 201494097 U CN201494097 U CN 201494097U
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- chamber
- ink
- forced air
- print cartridge
- shell body
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Abstract
The utility model relates to an ink box for supplying ink to a printing head by applying pressurized air generated by an air pressure pump. The ink box comprises a casing, an airtight air pressure cavity and an ink cavity, wherein an air pressure leading hole and an ink guiding hole are formed on the front wall of the casing; the airtight air pressure cavity is formed inside the casing, shares the same front wall with the casing at least and receives the pressurized air generated by an air pressure pump through the air pressure leading hole; and the ink cavity is arranged inside the casing and provided with an air inlet channel for leading the pressurized air to the ink cavity, an air exhaust channel for discharging the pressurized air out of the ink cavity and an ink supply channel communicated with the ink guiding hole. The ink cavity does not require a deformable soft bag and not only has simple structure and low cost, but also can overcome the defects of unsmooth ink supply and lack of the ability to fill ink caused by the soft bag.
Description
Technical field
The utility model relates to the bigger print cartridge of a kind of cartridge of ink-jet printer, particularly ink capacity.
Background technology
Traditional ink-jet printer comprises balladeur train, be installed in the record head on the balladeur train and hold print cartridge as the ink of liquid.By with ink from record head, spraying the formed nozzle, move balladeur train with respect to recording medium simultaneously and ink provided to record head from print cartridge, on recording medium, print.Consider the load of balladeur train, this kind ink-jet printer can not be equipped with jumbo print cartridge, therefore can't adapt to a large amount of print job.For this reason, occur on a kind of ink container holder that print cartridge is installed in main body one side the ink-jet printer of assistant print cartridges being set on the carriage that loads printhead.Printing ink is supplied to assistant print cartridges by printing ink supply pipe from print cartridge, supplies with each printhead respectively from assistant print cartridges again.
Existing a kind of so-called line-at-a-time printer that can print on bigger paper, the scanning distance of its carriage is long, the nozzle of printhead is many.In such printer, because the scanning distance of carriage is big, the extended distance of each printing ink supply pipe is also big.Owing to the nozzle change of printhead is many, so printing ink expends increase, printing ink dynamic pressure (pressure loss) increase in each printing ink supply pipe of connection print cartridge and assistant print cartridges.For avoiding causing printing ink increment deficiency to assistant print cartridges, be provided with air pressurization pump in the existing part line-at-a-time printer, by apply the air pressure that is produced by force (forcing) pump to print cartridge after, the effect by air pressure offers printhead with printing ink.No. 01100560.2 Chinese invention patent ublic specification of application of CN discloses a kind of jumbo print cartridge that is used for the printer of this class band air pressurization pump.This print cartridge is made of with this China ink bag is installed in the hermetic enclosure body of inside the China ink bag of filling printing ink.Between shell body and China ink bag, form a balancing gate pit, on shell body one surface, be formed with forced air intake and printing ink export mouth.After print cartridge was installed on the printer, the balancing gate pit passed through the forced air of forced air intake reception by the air pressurization pump generation of printer, thereby the China ink bag is pressurizeed, and then printing ink is confessed by the printing ink export mouth.
The ink containment of above-mentioned print cartridge is in having flexible China ink bag, and the China ink bag can be out of shape along with the consumption of printing ink, does not therefore have passage or similar structures, the ink leak that causes owing to passage or similar structures can not occur.But this China ink bag is generally made by the drawing film of resin material, need pass through lamination in order to improve intensity and ink-resistant property, and this just makes the complicated integral structure of China ink bag.In addition,, in the ink supply process, occur adherent phenomenon easily, cause ink supply not smooth because the China ink bag is softer.Have, because soft bag is punctured easily, so this kind print cartridge is difficult to fill once more when printing ink exhausts, and not only increased user's printing cost, and discarded print cartridge also can cause burden to environmental protection again.
Summary of the invention
The purpose of this utility model is to provide a kind of double cavity structure print cartridge simple in structure, to solve the above-mentioned problems in the prior art.
For achieving the above object, the technical scheme that the utility model provides is: print cartridge, this print cartridge offers printhead by using the forced air that is produced by air pressurization pump with printing ink, and it comprises: shell body, its antetheca are provided with forced air intake and printing ink export mouth; Establish within the outer shell in bubble-tight forced air chamber, and at least with the shared antetheca of shell body, it accepts the forced air that produced by the forced air pump by the forced air intake; Inking chamber is located at shell body inside, have with forced air introduce the inlet channel of described inking chamber, with forced air from exhaust passage that described inking chamber is discharged and the ink-feed channel that is communicated with the printing ink export mouth.
Print cartridge with said structure, inking chamber communicates with the forced air chamber by inlet channel and exhaust passage.The forced air chamber can be imported inking chamber effectively from the forced air that printer receives by inlet channel, thereby guarantee that print cartridge can be constantly to printer ink-providing when work, therefore inking chamber need not to adopt deformable soft bag, not only simple in structure, cost is low, and the ink supply that can avoid soft bag constructions to produce is not smooth.
Scheme is that inking chamber is made of the inner housing that is installed in shell body inside preferably, and the space between inner housing and the shell body constitutes the forced air chamber.
Print cartridge with this kind structure for to comprise and involved relation, is therefore made comparatively simple between forced air chamber and the inking chamber.Inner housing is rigidity, can make and the shell similar shapes, therefore can under the situation that keeps a predetermined gap, more relevantly be engaged in the shell, quite the dead space that exists in the existing print cartridge of the soft bag in comprising a shell and a shell can be eliminated, thereby has increased the Sheng China ink rate of unit shell volume.
Another preferably scheme be that the inside of shell body is separated into former and later two chambers by dividing plate, wherein the ante-chamber that is surrounded by the antetheca and the partial sidewall of dividing plate and shell body constitutes the forced air chamber, and the back cavity that is surrounded by the rear wall and the partial sidewall of dividing plate and shell body constitutes inking chamber.
Print cartridge with this kind structure is provided with dividing plate by enclosure interior outside, thereby forms forced air chamber and inking chamber, and is not only simple in structure, and saves raw material, and cost is low.In addition, the Sheng of unit shell volume China ink rate is higher.
The wall portion that better scheme is shell body and inking chamber all is rigidity, because of it is difficult for being pierced or puncturing, and therefore can be after ink exhausts relievedly by carrying out refilling again.
Not bad scheme is also to be provided with the pouring ink hole that communicates with inking chamber on the shell body, and the pouring ink hole place is provided with sealing device.Can in print cartridge, add ink injection by this pouring ink hole, and after can the ink in print cartridge exhausting, pour into ink again by this hole.
Not bad scheme is also to be provided with the air guide chamber in the inking chamber, and this air guide chamber is communicated with the forced air chamber by the gas port that is located at inking chamber wall portion.By this air guide chamber is set, can prevent that ink is spilled over to the forced air chamber by gas port.
Not bad scheme is that an end of inlet channel is communicated with the forced air chamber, and the other end is communicated with ink storage chamber, and the breather check valve of opening when only the pressure in the forced air chamber is greater than the pressure in the ink storage chamber is installed in it.When print cartridge is started working, the forced air from air pressurization pump is accepted in the forced air chamber, this moment, its pressure was greater than the pressure in the ink storage chamber, so breather check valve is opened, forced air enters inking chamber by inlet channel and pressurizes, thereby ink is confessed, in this process, exhaust check valve is in closed condition always, can prevent that ink from overflowing in the exhaust passage.
Good again scheme is that an end of exhaust passage is communicated with the forced air chamber, and the other end is communicated with ink storage chamber, and the exhaust check valve of opening when only the pressure in ink storage chamber is greater than the pressure in the forced air chamber is installed in it.When print cartridge quits work, the forced air stop supplies, the pressure of ink storage chamber is greater than the pressure in the forced air chamber, and this moment, breather check valve was closed, and exhaust check valve is opened, thereby the pressure in the inking chamber is released, in case ink overflows.
Not bad scheme is in the discharge directions upstream of exhaust check valve or the downstream also is provided with at least one anti-overflow China ink cushion chamber.Can prevent further that ink from overflowing from the exhaust passage.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one print cartridge;
Fig. 2 is the part enlarged diagram of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment two print cartridges;
Fig. 4 is the structural representation of the utility model embodiment three print cartridges.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The specific embodiment
The utility model print cartridge offers printing ink by using the forced air that is produced by air pressurization pump the printhead of printer.That mentions below reaching more than this paper is preceding identical with the print cartridge installation direction; The back is opposite with the print cartridge installation direction; Upper and lower upper and lower when all in running order with print cartridge is to identical.
Referring to Fig. 1, the inking chamber 2 that print cartridge 100 comprises shell body 1, be made of the inner housing 21 that is contained in this shell body 1, by the forced air chamber 3 that the space constituted of 21 of shell body 1 and inner housings.Wherein shell body 1 and inner housing 21 are made by the resinae synthetic material, have certain thickness, therefore are rigidity, are difficult for deforming.
Inking chamber 2 inside can be separated into ink storage chamber 25, air guide chamber 26, anti-overflow China ink cushion chamber 1 by dividing plate.Air guide chamber 26 is positioned at the anterior upside of inking chamber 2, is communicated with forced air chamber 3 by gas port 28, accepts forced air.Anti-overflow China ink cushion chamber 1 is positioned at the upstream of exhaust check valve 24 on discharge directions between air guide chamber 26 and ink storage chamber 25.Anti-overflow China ink cushion chamber 1 communicates with ink storage chamber 25 by hole 1, communicate with air guide chamber 26 by exhaust check valve 24, its can store from ink storage chamber 25 through the hole one 29 inks that overflow, prevent that it from overflowing from inking chamber 2.For print cartridge 100, its inlet channel comprises gas port 28, air guide chamber 26 and breather check valve 23, and the exhaust passage comprises hole 1, anti-overflow China ink cushion chamber 1, exhaust check valve 24, air guide chamber 25 and gas port 28.Gas port 28 and air guide chamber 26 not only constitute the part of inlet channel, also constituted the part of exhaust passage, if therefore have ink to overflow through breather check valve 23 or exhaust check valve 24, a cushioning effect can be played in air guide chamber 26, overflows from inking chamber 2 to prevent ink.
When print cartridge 100 is started working, the forced air that is produced by the forced air pump of printer enters forced air chamber 3 through forced air intake 14, increase as Fig. 1 arrow a then, enter air guide chamber 26 through gas port 28, the pressure in forced air chamber 3 is greater than the pressure in the ink storage chamber 25 at this moment, and breather check valve 23 is opened, and forced air enters inking chamber 2 through breather check valve 23, inking chamber 2 is pressurizeed, thereby ink is confessed.When print cartridge 100 quits work, forced air stops, the pressure of ink storage chamber 25 is greater than forced air chamber 3 at this moment, so breather check valve 23 is closed, exhaust check valve 24 is opened, and the gas in this moment inking chamber 25 is along direction shown in Fig. 1 arrow b, through the hole 1, anti-overflow China ink cushion chamber 1, exhaust check valve 24, air guide chamber 26, gas port 28 discharge, thereby the pressure in the inking chamber 2 is released, overflow to prevent ink.
Referring to Fig. 2, breather check valve 23 comprises valve pocket 4, valve body 5 and compression spring 6.Valve pocket 4 is communicated with air guide chamber 26, ink storage chamber 25 respectively by hole 1 and the hole 2 42 that is located on the wall of chamber.One end of valve body 5 is installed on the compression spring 6, and the other end can be pressed on one 41 places, hole, closed hole 1 under the effect of compression spring 6.During print cartridge 100 work, under the effect of pressurized air pressure, compression spring 6 is compressed, and is being with valve body 5 to leave hole 1, and breather check valve 23 is opened, and forced air is able to through the hole 1, valve pocket 5, hole 2 42 enter inking chamber 2.When print cartridge 100 quit work, the compression spring 6 that loses pressure recovered deformation in the effect of elastic restoring force, again valve body 5 is pressed on one 42 places, hole, and breather check valve 23 is closed.
The structure of exhaust check valve 24 is identical with the structure of breather check valve 23, and just installation direction is opposite, therefore repeats no more.
But breather check valve 24 and exhaust check valve 25 that the utility model print cartridge 100 is adopted are not limited in above-mentioned form, also can adopt disclosed other check valve of prior art.
The shell body 1 and the inner housing 21 of present embodiment print cartridge 100 can adopt known method once-formings such as blowing mould, injection moulding, so manufacturing process is comparatively simple, and cost is low.In addition, inner housing 21 has and shell body 1 similar shapes, therefore can under the situation that keeps a predetermined gap, more relevantly be engaged in the shell body 1, quite the dead space that exists in the existing print cartridge of the soft bag in comprising a shell and a shell can be eliminated, thereby has increased the Sheng China ink rate of unit shell volume.In addition,, be difficult for being pierced or puncturing, therefore after ink exhausts, can pass through pouring ink hole refilling once more relievedly because of the inner housing that constitutes inking chamber has certain rigid.
Referring to Fig. 3, the structure of the structure of present embodiment print cartridge 200 and embodiment 1 print cartridge 100 is basic identical, and difference only is that forced air chamber 3 and inking chamber 2 are by the inside at shell body 1 dividing plate 17,18 to be set to be separated.The material of dividing plate 17,18 is identical with the material of shell body 1, all can be made by the resinae synthetic material, has certain thickness, therefore presents rigidity, and is not yielding.Wherein, the ante-chamber that is surrounded by the antetheca 11 and the partial sidewall 13 of dividing plate 17,18 and shell body 1 is forced air chamber 3, and the back cavity that is surrounded by the rear wall 12 and the partial sidewall 13 of dividing plate 17,18 and shell body 1 is an inking chamber 2.Print cartridge 200 with this kind structure saved raw material because of adopting diaphragm structure, so cost is lower.In addition, the Sheng of unit shell volume China ink rate is also higher.
Referring to Fig. 4, the structure of the structure of present embodiment print cartridge 300 and embodiment 1 print cartridge is basic identical, difference only is: between air guide chamber 26 and ink storage chamber 25, also be provided with anti-overflow China ink cushion chamber 2 30 in the discharge directions downstream of exhaust check valve 24, the airintake direction upstream of breather check valve 23, it is communicated with air guide chamber 26 by hole 31, be communicated with ink storage chamber 25 by breather check valve 23, be communicated with anti-overflow China ink cushion chamber 1 by exhaust check valve 24, it can further prevent ink leakage.When print cartridge 300 was started working, forced air through gas port 28, air guide chamber 26, anti-overflow China ink cushion chamber two and breather check valve 23, entered ink storage chamber along the inlet channel shown in the arrow a.When print cartridge 300 quit work, the gas in the ink storage chamber was through the exhaust passage shown in the arrow b, through the hole 1, anti-overflow China ink cushion chamber 1, exhaust check valve 24, anti-overflow China ink cushion chamber 30, hole 31, air guide chamber 25 and gas port 28 discharge.
Technical conceive of the present utility model is not limited in the foregoing description, can also obtain many different concrete schemes according to design of the present utility model, also can adopt the gas-guiding structure that has print cartridge now as inlet channel and exhaust passage, maze-type structure or the like, these minor alterations and equivalent transformation all should be included within the described scope of claim.
Claims (10)
1. print cartridge, this print cartridge offers printhead by using the forced air that is produced by air pressurization pump with printing ink, and described print cartridge comprises:
Shell body, its antetheca are provided with forced air intake and printing ink export mouth;
Bubble-tight forced air chamber is located at described shell body inside, at least with the shared antetheca of described shell body, and by the forced air of forced air intake acceptance by above-mentioned forced air pump generation;
It is characterized in that:
Inking chamber, be provided with forced air introduce the inlet channel of described inking chamber, with forced air from exhaust passage that described inking chamber is discharged and the ink-feed channel that is communicated with the printing ink export mouth.
2. according to the described print cartridge of claim 1, it is characterized in that:
Described inking chamber is made of the inner housing that is installed in described shell body inside, and the space between described inner housing and the described shell body constitutes described forced air chamber.
3. according to the described print cartridge of claim 2, it is characterized in that:
Described inner housing has and described shell body similar shapes.
4. according to the described print cartridge of claim 1, it is characterized in that:
Described shell body inside is separated into former and later two chambers by dividing plate, wherein the ante-chamber that is surrounded by the antetheca and the partial sidewall of described dividing plate and described shell body constitutes described forced air chamber, and the back cavity that is surrounded by the rear wall and the partial sidewall of described dividing plate and described shell body constitutes described inking chamber.
5. according to each described print cartridge of claim 1 to 4, it is characterized in that:
The wall portion of described shell body and described inking chamber all is rigidity.
6. according to the described print cartridge of claim 5, it is characterized in that:
The wall portion of described shell body also is provided with the pouring ink hole that communicates with described inking chamber, and described pouring ink hole place is provided with sealing device.
7. according to the described print cartridge of claim 6, it is characterized in that:
Also be separated into air guide chamber and ink storage chamber in the described inking chamber, the wall portion in wherein said air guide chamber is provided with the gas port that is communicated with described air guide chamber and described forced air chamber.
8. according to the described print cartridge of claim 7, it is characterized in that:
One end of described inlet channel is communicated with described forced air chamber, and the other end is communicated with described ink storage chamber, and breather check valve is installed in it, and described breather check valve is opened when only the pressure in described forced air chamber is greater than the pressure in the described ink storage chamber.
9. described according to Claim 8 print cartridge is characterized in that:
One end of described exhaust passage is communicated with described forced air chamber, and the other end is communicated with described ink storage chamber, and exhaust check valve is installed in it, and described exhaust check valve is opened when only the pressure in described ink storage chamber is greater than the pressure in the described forced air chamber.
10. according to the described print cartridge of claim 9, it is characterized in that:
Between described air guide chamber and described inking chamber, also be provided with at least one anti-overflow China ink cushion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201938875U CN201494097U (en) | 2009-08-28 | 2009-08-28 | Ink box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201938875U CN201494097U (en) | 2009-08-28 | 2009-08-28 | Ink box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201494097U true CN201494097U (en) | 2010-06-02 |
Family
ID=42437305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201938875U Expired - Fee Related CN201494097U (en) | 2009-08-28 | 2009-08-28 | Ink box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201494097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431295A (en) * | 2012-09-20 | 2016-03-23 | 高宝美创力有限公司 | Reservoir for a printing device and method for emptying a replaceable reservoir of a printing device |
| CN107867076A (en) * | 2012-08-10 | 2018-04-03 | 精工爱普生株式会社 | liquid container |
-
2009
- 2009-08-28 CN CN2009201938875U patent/CN201494097U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867076A (en) * | 2012-08-10 | 2018-04-03 | 精工爱普生株式会社 | liquid container |
| CN107867076B (en) * | 2012-08-10 | 2019-08-30 | 精工爱普生株式会社 | Liquid container |
| CN105431295A (en) * | 2012-09-20 | 2016-03-23 | 高宝美创力有限公司 | Reservoir for a printing device and method for emptying a replaceable reservoir of a printing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |