WO2014056285A1 - Ink cartridge for ink-jet printer - Google Patents

Ink cartridge for ink-jet printer Download PDF

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Publication number
WO2014056285A1
WO2014056285A1 PCT/CN2012/087928 CN2012087928W WO2014056285A1 WO 2014056285 A1 WO2014056285 A1 WO 2014056285A1 CN 2012087928 W CN2012087928 W CN 2012087928W WO 2014056285 A1 WO2014056285 A1 WO 2014056285A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
chamber
negative pressure
ink cartridge
cartridge
Prior art date
Application number
PCT/CN2012/087928
Other languages
French (fr)
Chinese (zh)
Inventor
袁大江
Original Assignee
珠海诚威电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海诚威电子有限公司 filed Critical 珠海诚威电子有限公司
Priority to DE212012000188.3U priority Critical patent/DE212012000188U1/en
Publication of WO2014056285A1 publication Critical patent/WO2014056285A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/1752—Mounting within the printer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure

Definitions

  • the utility model relates to an ink cartridge, in particular to an ink cartridge for an ink jet printer.
  • Conventional ink cartridges generally have a housing portion capable of accommodating ink, and a portion capable of absorbing and storing through the connection port therein, and further having a member capable of supplying ink to the printer.
  • the printer and the ink cartridge are mounted in a reciprocating manner to cause the ink to move vigorously to generate air bubbles.
  • the ink containing the bubbles is supplied to the printer in such a manner that the bubbles break the ink and cause the printing to be blurred.
  • the porous body polyurethane rubber foam or non-woven fabric
  • the ink bag is composed of a flexible film bag, and in the state where the air is completely removed, only the ink is filled to prevent bubble generation.
  • Small bubbles (components) of porous bodies Although they are representative of foams with continuous foams, other materials such as nonwoven fabrics are also widely used.
  • the material of the blister cell which is generally used is polyurethane, and the foaming rate of 50% or less is often used. However, because it is compressed into a container, it is the main reason for becoming a large ink cartridge in terms of the amount of ink filled.
  • the disadvantage is that it is technically difficult to manufacture and the uneven distribution of components after compression cannot meet the requirements.
  • the conventional fine element or nonwoven fabric of the porous body to be compressed and accommodated in order to achieve affinity for the ink to be immersed, it is not blocked and can be moved. It is necessary to use a surfactant in advance to treat it in advance.
  • the ink of the porous body flows into each element and is hollowed out by the printer. That is because the ink in the component is consumed, and the volume is reduced to generate a negative pressure.
  • the blister cells of the porous body are closely connected, and the ink starts to move toward the element when negative pressure is generated. This is in turn continuously transmitted to the consumer. Therefore, the porous body is an absolute condition for uniformly distributing the ink as each component of the ink storage body. Compressed device There have been many problems in the stability of the time-stamping components, such as neatness, which has caused many problems in the past.
  • the ink In the porous body which has been used in many cases in the past, in order to facilitate the movement of the ink in the element, it is necessary to perform the processing in advance, and it is difficult to operate the inside of the ink cartridge, and the storage state is deviated, the ink filling state is deviated, and the ink remains excessive or even the print quality. There are also a lot of unstable materials that can affect the performance of the ink cartridges. Secondly, in order to maintain the performance of the ink cartridge, the ink can be filled in a state where the air in the internal unit of the porous body is completely removed, so that it takes a lot of time to require a large amount of production equipment and ink filling.
  • the technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a negative pressure in the ink chamber without using a porous body, which can preserve the functions of the prior art, and the used devices are also significantly reduced.
  • the technical solution adopted by the utility model is as follows:
  • the utility model comprises an ink chamber for holding ink and a negative pressure generating portion, and the ink chamber and the negative pressure generating portion pass between the negative pressure generating portion wall A and the negative
  • the elongated passage formed by the pressure generating portion wall B communicates with the ink discharge port of the ink cartridge and communicates with the ink discharge port.
  • An ink inlet of the elongated passage is disposed at a bottom of the ink chamber, and a bottom wall of the ink chamber is inclined, and an inclined bottom end thereof is located at an ink inlet of the elongated passage.
  • the ink cartridge further includes a rotating portion, the rotating portion is rotatably fitted on a sidewall of the ink chamber, the rotating portion is composed of a clamping block and a handle portion, and the clamping block clamps the ink cartridge to the printer
  • the handle portion enables the ink cartridge to be mounted to or removed from the printer.
  • a limiting post is disposed on the rotating portion, and a limiting groove that cooperates with the limiting post is disposed outside the ink chamber.
  • the ink cartridge further includes a cover that is fixedly coupled to the ink chamber by a plurality of insertion posts disposed thereon, and a plurality of burrs are disposed on a circumferential wall of the insertion post.
  • a gas passage is disposed at one side of the ink chamber, and the gas passage is directly connected to the ink chamber a bottom portion of the ink chamber, and an ink absorbing material is disposed at a bottom of the ink chamber near the ink chamber in the gas passage
  • the utility model has the beneficial effects that the composition of the utility model is divided into two parts, an ink chamber and a cover, and has a basic functional ink chamber which should be included in the ink cartridge, and the production efficiency is improved by separately separating the functional components, and finally the fit is achieved.
  • the printing effect of the ink cartridge is achieved; in addition, as a function of keeping the ink consumption in the ink chamber and the consumption of the printer stable, a part of the shape of the ink supply path in the ink chamber is set to a special shape, which can generate a negative pressure and has a simple structure. , you can control the cost.
  • the use of the separation from the ink chamber brings better performance and productivity; therefore, the production is compared with the integrated production.
  • the body can be produced on its own, and the production efficiency can be planned in a planned manner due to the manufacture of various components and the combined productization that needs to be combined.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • Figure 2 is an exploded perspective view of the utility model
  • Figure 3 is a schematic structural view of the ink chamber
  • Figure 4 is a schematic view showing the flow of ink in the ink chamber during operation
  • Figure 5 is an explanatory view of the loading and unloading of the ink chamber and the ink cartridge
  • Figure 6 is a schematic view showing the state before the ink cartridge is installed
  • Figure 7 is a schematic view showing the state after the ink cartridge is installed
  • Figure 8 is a second schematic structural view of the turning portion
  • Figure 9 is a third structural schematic view of the turning portion
  • Figure 10 is a schematic structural view of the cover
  • Figure 11 is an enlarged schematic view of a portion A of Figure 10;
  • Figure 12 is a schematic diagram of the ink cartridge when it is in operation.
  • FIG. 1 is a schematic view of the overall structure of the present invention.
  • the basic configuration is that the swivel portion 14 of the fixing member when the ink chamber 6 is installed in the printer is disposed between the ink chamber and the cover 1, and the ink chamber 6 is disposed by the turning portion 14 in a printer not shown in the drawing.
  • the compression is achieved by the compression spring 13; below the other side of the ink chamber is the IC chip 7 and the chip holder 8 of the printer.
  • Figure 2 is an exploded view of the present invention.
  • FIG. 3 is a detailed explanatory view of the ink chamber of the present invention.
  • the inside of the ink chamber 6 is provided with an ink chamber bottom wall 19 having an inclined angle.
  • the upper portion of the ink discharge port is a small negative pressure generating portion 18.
  • This negative pressure generating portion 18 is partitioned by an elongated passage 40 composed of a negative pressure generating portion wall A15 and a negative pressure generating portion wall B16 which separate the ink, and is another chamber.
  • the ink chamber containing the ink is completely sealed by the peripheral transparent film 2 including the ink chamber bottom wall 19.
  • the ink is injected from the upper ink injection port 30.
  • the ink chamber needs to be vacuumed and injected.
  • the ink discharge port 11 and the air guide port 5 are also completely sealed by the film.
  • the ink chamber is evacuated, the ink is injected in the order from the ink injection port 30, and the ink flows into the negative pressure generating portion 18, and the negative pressure generating portion 18 is completely filled when the ink injection is completed.
  • the negative pressure generating portion 18 and the ink chamber are communicated by the elongated passage 40, and the air is also blocked so that the ink does not move (the negative pressure generating portion maintains the full state).
  • the ink is used, and the printer sucks the ink through the lower ink discharge port 11 of the ink cartridge, and the pressure of the component consumed by the ink is lowered.
  • the ink flows into the negative pressure generating portion 18 to ensure balance.
  • the ink moves through the elongated passage 40 toward the negative pressure generating portion.
  • the shape and size of the elongated passage 40 are important.
  • the shape of the cross section having a diameter of 0.5 mm or more or a depth of one side of 0.3 ⁇ m or more. The best range is the diameter (1 side) 0. 5 ⁇ 1. Omm depth 0. 3 1. 5mm
  • the distance between the passage portion 17 of the elongated passage 40 leading to the negative pressure generating portion 18 and the bottom wall of the ink chamber is 0. 5 1. 0. It is desirable to reduce the residual ink as much as possible, so that the ink is secured.
  • the flow is concentrated in one direction, and the ink flows from the ink chamber bottom wall 19 to the negative pressure generating portion 18, and it is preferable to provide a slope of the lowest point of 5 ° 10 ° at the passage portion 17 of the elongated passage 40.
  • Fig. 4 is a loading and unloading lock portion for mechanically continuing the ink cartridge when it is installed.
  • the rotating portion 14 with the protrusion 23 is locked, and the hole of the rotating fulcrum is inserted into the ink chamber and the support shaft 26 provided on the cover.
  • the compression spring is turned 13 passes through the turning portion.
  • the spring fixing projections 25 at both ends are inserted, and the limiting post 22 of the turning portion is opposed to the ink chamber 6 and the limiting groove 24 of the cover 1. At this time, the turning portion 14 needs to be able to move smoothly.
  • the turning portion 14 is for facilitating the loading and unloading of the present invention to the printer, and its state is as shown in Fig. 56.
  • Figure 7 is a representation of another example of the swivel portion 14.
  • the position control of the turning portion is realized by the engagement of the stopper stay 22 provided on the turning portion with the stopper groove 24 provided on the outside of the ink chamber.
  • FIG 9 is a view showing an embodiment of the cover 1 of the ink cartridge.
  • the cover 1 of the ink chamber 6 device is provided with a plurality of fixing posts 20 which are inserted into the insertion holes 21.
  • the cover 1 also has a function of ensuring that the rotary portion 14 is mechanically locked when the ink cartridge is installed. It is necessary to keep the ink chamber 6 and the cover 1 strong, and for this purpose, the strength of the fixing post 20 of the reinforced cover is set at the time of insertion, and a plurality of burrs are arranged in parallel on the fixed column.
  • the ink chamber to the ink discharge port has a simple structure. Since the ink chamber is provided with a negative pressure generating portion separated by an elongated passage, the state of the ink chamber can be observed from time to time, and the printing effect and color are maintained. Have contributed. The simple structure improves the productivity and the stability of the product quality provides great results.
  • the utility model can mass-produce the monomer of the ink chamber, and the finished product is combined by the separate according to the needs, and the production can be simply adjusted according to the needs of the production. Therefore, the production plan is easier to manufacture.
  • the number of products at the time of production and production can also be changed more easily. Can improve production efficiency.
  • the ink chamber bottom to the negative pressure generating portion of the ink chamber is connected by an elongated passage. Since the passage is formed from high to low toward the ink outlet, the ink can be completely cleaned and the residual ink amount is greatly reduced. Controlling the amount of ink filling during ink filling can solve the problem of residual ink volume and is a very efficient structure.
  • the ink absorbing material is a specific substance having a plurality of contact gaps or distances or small holes in the body, and the material has a surface tension (i.e., capillary phenomenon) when it comes into contact with the liquid.
  • the ink absorbing material I 66 closer to the ink needs to be located at the bottom of the ink tank, and the end of the air supply chamber, that is, the boundary between the air supply chamber and the ink chamber of the ink chamber is optimal. This position allows the ink absorbing material to exist in two states: When the ink cartridge is being printed, air passes through the material into the ink chamber, so that the ink of the ink absorbing material is partially absorbed, and the channel is in a controlled open state.
  • the ink absorbing material When not printing, the ink absorbing material generates capillary phenomenon (ie, adsorption force) due to its own structure and physical properties, and the ink absorbing material absorbs the ink and saturates, causing resistance to the passage, that is, the fine ink absorbing material will control the air.
  • the flow rate and flow rate into the ink chamber ensure that the ink cartridge does not drip.
  • the other function of the ink absorbing material II 67 closer to the air guiding port 5 is to prevent the ink from flowing out of the air guiding groove.
  • the ink absorbing material II 67 closer to the air guiding port 5 is to prevent the ink from flowing out of the air guiding groove.
  • the ink absorbing material I 66 closer to the ink chamber needs to be located at the bottom of the ink cartridge to make the pressure of the print head constant, so that the printing process is also more stable.
  • hi is the height of the ink in the ink chamber
  • h2 is the height between the bottom of the ink chamber and the bottom of the ink discharge port.
  • the atmospheric pressure is one atmosphere, that is, P0, and the air chamber (shown as 1 in Fig. 10) communicates with the outside world, so the air pressure at the bottom of the ink cartridge is the same as P0.
  • the ink chamber (as shown in Figure 10) Show)
  • the present invention can be applied to the field of printing consumables.

Landscapes

  • Ink Jet (AREA)

Abstract

Disclosed is an ink cartridge for an ink-jet printer, the ink cartridge comprising an ink chamber (6) for containing ink and a negative pressure generating portion (18). The ink chamber is in communication with the negative pressure generating portion through a slender passage (40) constituted by a negative pressure generating portion wall A and a negative pressure generating portion wall B, and the negative pressure generating portion surrounds an ink ejection outlet (11) of the ink cartridge and is in communication with the ink ejection outlet (11). The ink cartridge has the following advantages: a simple structure, improved operability, stable ink ejection, and effective reduction in the amount of residual ink.

Description

喷墨式打印机用墨盒  Inkjet printer cartridge
技术领域 Technical field
本实用新型涉及一种墨盒， 尤其涉及一种喷墨式打印机用墨盒。  The utility model relates to an ink cartridge, in particular to an ink cartridge for an ink jet printer.
背景技术 Background technique
目前的墨盒构成通常是， 有能收纳墨水的容纳部分， 通过此处的连接口 有能吸收保存的部分， 进而有能供墨给打印机的部件。 但是， 这种打印范围 内打印机与墨盒搭载往复运动的方式， 促使墨水剧烈运动产生气泡。 含有气 泡的墨水就这样被供给打印机， 这些气泡会使墨水断裂， 进而诱发打印模糊 不清。 为了防止这种情况发生， 如果让墨水被多孔体 （聚氨酯橡胶发泡体或 无纺布） 吸收保持住， 仅通过供墨部件供墨给打印机的话， 打印只能就能达 到稳定。 其中， 墨水袋由柔性薄膜袋构成， 在空气被完全排除的状态下， 只 填充墨水以防止气泡产生这样的墨盒也存在。 多孔体细小的气泡 （元件） 虽 然作为拥有连泡沬发泡体的代表， 其他材料比如无纺布等也大量被利用。 一 般使用的连泡沬细胞的材料有聚氨酯， 发泡率 50%以下的东西多被使用。 不 过因为它被压缩到一个容器内， 从墨水的填充量来说是成为大型墨盒的主要 原因。  Conventional ink cartridges generally have a housing portion capable of accommodating ink, and a portion capable of absorbing and storing through the connection port therein, and further having a member capable of supplying ink to the printer. However, in this printing range, the printer and the ink cartridge are mounted in a reciprocating manner to cause the ink to move vigorously to generate air bubbles. The ink containing the bubbles is supplied to the printer in such a manner that the bubbles break the ink and cause the printing to be blurred. In order to prevent this from happening, if the ink is absorbed and held by the porous body (polyurethane rubber foam or non-woven fabric), the printing can only be stabilized by supplying ink to the printer through the ink supply unit. Among them, the ink bag is composed of a flexible film bag, and in the state where the air is completely removed, only the ink is filled to prevent bubble generation. Small bubbles (components) of porous bodies Although they are representative of foams with continuous foams, other materials such as nonwoven fabrics are also widely used. The material of the blister cell which is generally used is polyurethane, and the foaming rate of 50% or less is often used. However, because it is compressed into a container, it is the main reason for becoming a large ink cartridge in terms of the amount of ink filled.
为了使多孔体能装进墨盒里， 元件尽量压缩的越小越好。 缺点是在制作 上技术难度大而且压缩后的元件分配不均稳定性无法达到要求等。 以往的被 压缩收纳的多孔体的细小元件或者无纺布为了达到浸入的墨水具有亲和性不 被阻挡可以移动的目的， 必须预先使用界面活性剂来提前处理。  In order to allow the porous body to be loaded into the ink cartridge, the smaller the component is as small as possible, the better. The disadvantage is that it is technically difficult to manufacture and the uneven distribution of components after compression cannot meet the requirements. In the conventional fine element or nonwoven fabric of the porous body to be compressed and accommodated, in order to achieve affinity for the ink to be immersed, it is not blocked and can be moved. It is necessary to use a surfactant in advance to treat it in advance.
元件中所含的墨水全部消耗是不可能的， 墨盒里还残留大量的墨水的状 态下， 打印机在编程时就已显示为空墨盒， 用这种浪费达到质量的稳定假象 会造成最终用户的负担， 也违背了环保和节能的观点。  It is impossible to completely consume all the ink contained in the component. In the state where a large amount of ink remains in the ink cartridge, the printer has been shown as an empty ink cartridge during programming, and the use of such waste to achieve a stable image of quality will cause a burden on the end user. It also violates the viewpoint of environmental protection and energy conservation.
多孔体的墨水流动到各元件内被打印机消耗产生空洞化。 那是因为元件 内的墨水被消耗， 体积减少产生负压。 多孔体的连泡细胞紧密相连， 负压产 生时墨水开始向元件移动。 这样依次连续向消耗方传导。 因此， 多孔体是作 为墨水保存体的各组件均匀分配墨水的绝对条件。 以填充装置为首在压缩装 填时元件整齐均匀性等安定化方面出现了很多问题， 这也使以往的产品在打 印品质方面出现了很多问题。 The ink of the porous body flows into each element and is hollowed out by the printer. That is because the ink in the component is consumed, and the volume is reduced to generate a negative pressure. The blister cells of the porous body are closely connected, and the ink starts to move toward the element when negative pressure is generated. This is in turn continuously transmitted to the consumer. Therefore, the porous body is an absolute condition for uniformly distributing the ink as each component of the ink storage body. Compressed device There have been many problems in the stability of the time-stamping components, such as neatness, which has caused many problems in the past.
以往被多数采用的多孔体内部， 为了使元件内的墨水移动方便， 需要提 前处理之外， 往墨盒内部压缩收纳时操作困难， 收纳状态偏差， 墨水填充状 态偏差等， 墨水残留过多甚至打印品质差等能左右墨盒性能的不安定材料也 有很多。 其次， 为了维持墨盒的性能， 要在多孔体内部单元里的空气全部排 除的状态下， 才能填充墨水， 因此需要大量的生产设备以及填充墨水时需要 花费大量时间。  In the porous body which has been used in many cases in the past, in order to facilitate the movement of the ink in the element, it is necessary to perform the processing in advance, and it is difficult to operate the inside of the ink cartridge, and the storage state is deviated, the ink filling state is deviated, and the ink remains excessive or even the print quality. There are also a lot of unstable materials that can affect the performance of the ink cartridges. Secondly, in order to maintain the performance of the ink cartridge, the ink can be filled in a state where the air in the internal unit of the porous body is completely removed, so that it takes a lot of time to require a large amount of production equipment and ink filling.
实用新型内容 Utility model content
本实用新型所要解决的技术问题是克服现有技术的不足， 提供一种不使 用多孔体使墨水腔内产生负压， 既能保存以往既有的机能， 使用的器件也会 明显减少， 生产工序减少、 生产效率提升、 生产时的操作性大幅提高、 墨盒 质量稳定化、 墨水残量彻底降低以及生产成本降低的喷墨式打印机用墨盒。  The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a negative pressure in the ink chamber without using a porous body, which can preserve the functions of the prior art, and the used devices are also significantly reduced. Ink cartridges for inkjet printers with reduced production efficiency, increased operability during production, stable ink cartridge quality, a complete reduction in ink residue, and reduced production costs.
本实用新型所采用的技术方案是： 本实用新型包括用于盛装墨水的墨水 室和负压发生部， 所述墨水室和所述负压发生部之间通过由负压发生部壁 A 和负压发生部壁 B构成的细长通路相连通， 所述负压发生部包围着墨盒的墨 水吐出口并与所述墨水吐出口相连通。  The technical solution adopted by the utility model is as follows: The utility model comprises an ink chamber for holding ink and a negative pressure generating portion, and the ink chamber and the negative pressure generating portion pass between the negative pressure generating portion wall A and the negative The elongated passage formed by the pressure generating portion wall B communicates with the ink discharge port of the ink cartridge and communicates with the ink discharge port.
所述细长通路的入墨口设置在所述墨水室的底部， 所述墨水室的底壁倾 斜设置， 其倾斜底端位于所述细长通路的入墨口处。  An ink inlet of the elongated passage is disposed at a bottom of the ink chamber, and a bottom wall of the ink chamber is inclined, and an inclined bottom end thereof is located at an ink inlet of the elongated passage.
所述墨盒还包括回转部， 所述回转部转动配合在所述墨水室的侧壁上， 所述回转部由卡紧块和把手部， 所述卡紧块把所述墨盒卡紧在打印机上， 所 述把手部实现把所述墨盒安装到打印机上或从打印机上取下。  The ink cartridge further includes a rotating portion, the rotating portion is rotatably fitted on a sidewall of the ink chamber, the rotating portion is composed of a clamping block and a handle portion, and the clamping block clamps the ink cartridge to the printer The handle portion enables the ink cartridge to be mounted to or removed from the printer.
在所述回转部上设置有限位支柱， 在所述墨水室的外侧设置有与所述限 位支柱相配合的限位槽。  A limiting post is disposed on the rotating portion, and a limiting groove that cooperates with the limiting post is disposed outside the ink chamber.
所述墨盒还包括盖子， 所述盖子通过设置在其上的若干根***柱与所述 墨水室相固定连接， 在所述***柱的圆周壁上设置有若干条毛边。  The ink cartridge further includes a cover that is fixedly coupled to the ink chamber by a plurality of insertion posts disposed thereon, and a plurality of burrs are disposed on a circumferential wall of the insertion post.
在所述墨水室的一侧设置有道气通道， 所述道气通道直通所述墨水室的 墨腔底部， 在所述道气通道内靠近所述墨水室的墨腔底部处设置有吸墨材质a gas passage is disposed at one side of the ink chamber, and the gas passage is directly connected to the ink chamber a bottom portion of the ink chamber, and an ink absorbing material is disposed at a bottom of the ink chamber near the ink chamber in the gas passage
I和吸墨材质 II。 I and ink absorbing material II.
本实用新型的有益效果是： 本实用新型的构成分为墨水室和盖子两个部 分组成， 具备墨盒应有的基本重要机能墨水室， 而且通过把各机能部件分开 生产提高生产效率， 最后通过合体实现墨盒的打印效果； 加上， 作为一个让 墨水室内的墨水的消耗与打印机的消耗保持稳定的功能， 墨水室内的墨水供 墨通路的一部分形状设为特殊形状， 能够让负压产生， 结构简单， 可以控制 成本。  The utility model has the beneficial effects that the composition of the utility model is divided into two parts, an ink chamber and a cover, and has a basic functional ink chamber which should be included in the ink cartridge, and the production efficiency is improved by separately separating the functional components, and finally the fit is achieved. The printing effect of the ink cartridge is achieved; in addition, as a function of keeping the ink consumption in the ink chamber and the consumption of the printer stable, a part of the shape of the ink supply path in the ink chamber is set to a special shape, which can generate a negative pressure and has a simple structure. , you can control the cost.
而且， 作为给附带辅助机能的打印机的维持部分、 打印机的电子控制信 号的通信功能等， 使用和墨水室分离的方式， 带来更好的机能和生产性； 因 此生产上和一体式生产相比分体式能够独自生产， 由于各部件的制造和需要 结合的合体产品化， 可以有计划的提高生产效率。  Moreover, as a maintenance part of the printer with the auxiliary function, a communication function of the electronic control signal of the printer, etc., the use of the separation from the ink chamber brings better performance and productivity; therefore, the production is compared with the integrated production. The body can be produced on its own, and the production efficiency can be planned in a planned manner due to the manufacture of various components and the combined productization that needs to be combined.
附图说明 DRAWINGS
图 1是本实用新型的整体结构示意图；  Figure 1 is a schematic view of the overall structure of the present invention;
图 2是本实用新型的分解示意图；  Figure 2 is an exploded perspective view of the utility model;
图 3是所述墨水室的结构示意图；  Figure 3 is a schematic structural view of the ink chamber;
图 4是所述墨水室在工作时其内的墨水流动示意图；  Figure 4 is a schematic view showing the flow of ink in the ink chamber during operation;
图 5是所述墨水室与墨盒的装卸说明图；  Figure 5 is an explanatory view of the loading and unloading of the ink chamber and the ink cartridge;
图 6是墨盒装机前的状态示意图；  Figure 6 is a schematic view showing the state before the ink cartridge is installed;
图 7是墨盒装机后的状态示意图；  Figure 7 is a schematic view showing the state after the ink cartridge is installed;
图 8是所述回转部的第二种结构示意图；  Figure 8 is a second schematic structural view of the turning portion;
图 9是所述回转部的第三种结构示意图；  Figure 9 is a third structural schematic view of the turning portion;
图 10是所述盖子的结构示意图；  Figure 10 is a schematic structural view of the cover;
图 11是图 10中 A部分的放大示意图；  Figure 11 is an enlarged schematic view of a portion A of Figure 10;
图 12是墨盒工作时的原理图。  Figure 12 is a schematic diagram of the ink cartridge when it is in operation.
各附图中的附图标记表示如下： 1一盖子； 2—透明薄膜； 3—墨水注入口 薄膜； 4一墨水塞栓； 5—导气口； 6—墨水室； 7— IC 芯片； 8—芯片座； 10 吐墨口塞栓； 11 墨水吐出口； 13—压缩弹簧； 14一回转部； 15 负压发 生部壁 A; 16—负压发生部 B; 17—通过部； 18 负压发生部； 19一墨水室底 壁； 20—固定柱； 21—嵌入穴； 22—限位支柱； 23 突起； 24—限位槽； 25 一弹簧固定突起； 26—支持轴； 30 墨水注入口； 31 毛边； 40—细长通路； 66—吸墨材质 I； 67—吸墨材质 II。 The reference numerals in the various drawings are as follows: 1 cover; 2 - transparent film; 3 - ink injection port film; 4 - ink plug; 5 - air port; 6 - ink chamber; 7 - IC chip; Seat; 10 Injecting ink plug; 11 ink discharge port; 13-compression spring; 14-turn part; 15 negative pressure generating part wall A; 16-negative pressure generating part B; 17-passing part; 18 negative pressure generating part; Bottom wall; 20-fixed column; 21-embedded hole; 22-limit post; 23 protrusion; 24-limit groove; 25 a spring fixing protrusion; 26-support shaft; 30 ink injection port; 31 burr; Slender path; 66 - ink absorbing material I; 67 - ink absorbing material II.
具体实施方式 detailed description
如图 1至图 12所示。 图 1是本实用新型的整体结构示意图。其基本构造 是墨水室 6在往打印机装机时的固定部件的回转部 14是在墨水室和盖子 1之 间装置， 所述墨水室 6通过回转部 14设置在图中未示出的打印机的一侧， 通 过压缩弹簧 13实现压紧； 在墨水室的另一边的下方是打印机的 IC芯片 7及 芯片座 8。 图 2是本实用新型的分解图。  As shown in Figure 1 to Figure 12. 1 is a schematic view of the overall structure of the present invention. The basic configuration is that the swivel portion 14 of the fixing member when the ink chamber 6 is installed in the printer is disposed between the ink chamber and the cover 1, and the ink chamber 6 is disposed by the turning portion 14 in a printer not shown in the drawing. On the side, the compression is achieved by the compression spring 13; below the other side of the ink chamber is the IC chip 7 and the chip holder 8 of the printer. Figure 2 is an exploded view of the present invention.
图 3是本实用新型的墨水室的详细说明图。 墨水室 6的内侧设有带有倾 斜角度的墨水室底壁 19。墨水吐出口上部是小的负压发生部 18。这个负压发 生部 18是由把墨水分开的负压发生部壁 A15、 负压发生部壁 B16构成的细长 通路 40所隔开， 是另一个室。  Figure 3 is a detailed explanatory view of the ink chamber of the present invention. The inside of the ink chamber 6 is provided with an ink chamber bottom wall 19 having an inclined angle. The upper portion of the ink discharge port is a small negative pressure generating portion 18. This negative pressure generating portion 18 is partitioned by an elongated passage 40 composed of a negative pressure generating portion wall A15 and a negative pressure generating portion wall B16 which separate the ink, and is another chamber.
收容墨水的墨水室是包含墨水室底壁 19的***用透明薄膜 2完全密封。 墨水是由上部的墨水注入口 30注入。 需把墨水室抽真空后注入。 这时， 墨水 吐出口 11和导气口 5是同样被薄膜完全封住的。墨水室被抽真空后， 墨水注 入的顺序是从墨水注入口 30处注入墨水， 墨水流入负压发生部 18， 负压发 生部 18在墨水注入完成时是完全充满的状态。 负压发生部 18和墨水室是由 细长通路 40连通的， 因空气也被阻挡所以墨水不会移动（负压发生部是会维 持充满状态）。  The ink chamber containing the ink is completely sealed by the peripheral transparent film 2 including the ink chamber bottom wall 19. The ink is injected from the upper ink injection port 30. The ink chamber needs to be vacuumed and injected. At this time, the ink discharge port 11 and the air guide port 5 are also completely sealed by the film. After the ink chamber is evacuated, the ink is injected in the order from the ink injection port 30, and the ink flows into the negative pressure generating portion 18, and the negative pressure generating portion 18 is completely filled when the ink injection is completed. The negative pressure generating portion 18 and the ink chamber are communicated by the elongated passage 40, and the air is also blocked so that the ink does not move (the negative pressure generating portion maintains the full state).
接着， 墨水被使用， 打印机通过墨盒的下部墨水吐出口 11吸引墨水， 墨 水消耗掉的分量压力会下降， 为了补充降低了的压力墨水会往负压发生部 18 流入而确保平衡。墨水是通过细长通路 40往负压发生部移动的。为达成此功 能， 细长通路 40的形状、 尺寸都很重要。 这个形状为 0. 5mm以上的直径或者 必须 1侧的深度为 0. 3匪以上的断面形状。 最好的范围是直径 （1侧） 0. 5〜 1. Omm深度 0. 3 1. 5mm Then, the ink is used, and the printer sucks the ink through the lower ink discharge port 11 of the ink cartridge, and the pressure of the component consumed by the ink is lowered. To replenish the reduced pressure, the ink flows into the negative pressure generating portion 18 to ensure balance. The ink moves through the elongated passage 40 toward the negative pressure generating portion. To achieve this function, the shape and size of the elongated passage 40 are important. The shape of the cross section having a diameter of 0.5 mm or more or a depth of one side of 0.3 μm or more. The best range is the diameter (1 side) 0. 5~ 1. Omm depth 0. 3 1. 5mm
墨水室内设有通往负压发生部 18的细长通路 40的通过部 17和墨水室底 壁的距离为 0. 5 1. 0 墨盒要尽可能的减少残余墨水为理想的， 所以为了 墨水确保流动是往一个方向集中的， 墨水是由墨水室底壁 19 往负压发生部 18内流动， 在细长通路 40的通过部 17处设置最低点 5 ° 10 ° 的斜面是最 好的。  The distance between the passage portion 17 of the elongated passage 40 leading to the negative pressure generating portion 18 and the bottom wall of the ink chamber is 0. 5 1. 0. It is desirable to reduce the residual ink as much as possible, so that the ink is secured. The flow is concentrated in one direction, and the ink flows from the ink chamber bottom wall 19 to the negative pressure generating portion 18, and it is preferable to provide a slope of the lowest point of 5 ° 10 ° at the passage portion 17 of the elongated passage 40.
图 4是墨盒在装机时为了机械式的继续保持的装卸锁部。 往打印机上的 固定部镶嵌好后锁住带有突起 23 的回转部 14， 把回转支点的孔往墨水室和 盖子上设置的支持轴 26***， 为把回转部转为可动， 把压缩弹簧 13从回转 部中通过。 再把两端的弹簧固定突起 25***、 把回转部的限位支柱 22对着 墨水室 6和盖子 1的限位槽 24里， 组合而成。 这时的回转部 14需要可以顺 畅的移动。  Fig. 4 is a loading and unloading lock portion for mechanically continuing the ink cartridge when it is installed. After the fixing portion on the printer is inlaid, the rotating portion 14 with the protrusion 23 is locked, and the hole of the rotating fulcrum is inserted into the ink chamber and the support shaft 26 provided on the cover. In order to turn the rotating portion into a movable, the compression spring is turned 13 passes through the turning portion. Further, the spring fixing projections 25 at both ends are inserted, and the limiting post 22 of the turning portion is opposed to the ink chamber 6 and the limiting groove 24 of the cover 1. At this time, the turning portion 14 needs to be able to move smoothly.
回转部 14是为了便于本实用新型往打印机上装卸， 其状态如图 5 6所 示。 图 7 8是回转部 14的其它实例的展示。 通过设置在所述回转部上的限 位支柱 22与设置在墨水室外侧的限位槽 24的配合， 实现对所述回转部的限 位控制。  The turning portion 14 is for facilitating the loading and unloading of the present invention to the printer, and its state is as shown in Fig. 56. Figure 7 is a representation of another example of the swivel portion 14. The position control of the turning portion is realized by the engagement of the stopper stay 22 provided on the turning portion with the stopper groove 24 provided on the outside of the ink chamber.
图 9是墨盒的盖子 1的实施例图。 墨水室 6装置的盖子 1上面设有多个 固定柱 20是***嵌入穴 21的。这个盖子 1除了保护墨水室 6上的薄膜之外， 还有确保墨盒装机时机械式锁住回转部 14的机能。是有必要让墨水室 6和盖 子 1保持坚固的， 为此加固盖子的固定柱 20在***时的强度， 在固定柱上平 行设置了多条毛边 31  Figure 9 is a view showing an embodiment of the cover 1 of the ink cartridge. The cover 1 of the ink chamber 6 device is provided with a plurality of fixing posts 20 which are inserted into the insertion holes 21. In addition to protecting the film on the ink chamber 6, the cover 1 also has a function of ensuring that the rotary portion 14 is mechanically locked when the ink cartridge is installed. It is necessary to keep the ink chamber 6 and the cover 1 strong, and for this purpose, the strength of the fixing post 20 of the reinforced cover is set at the time of insertion, and a plurality of burrs are arranged in parallel on the fixed column.
根据本实用新型， 由墨水室至墨水吐出口为止为简单构造， 因为墨水室 内设有细长通路隔离了的负压发生部， 墨水室内的状态可以时常观察到， 对 维持打印效果、 色彩方面都有贡献。 因简单的结构提高生产性和产品品质的 稳定提供很大的效果。  According to the present invention, the ink chamber to the ink discharge port has a simple structure. Since the ink chamber is provided with a negative pressure generating portion separated by an elongated passage, the state of the ink chamber can be observed from time to time, and the printing effect and color are maintained. Have contributed. The simple structure improves the productivity and the stability of the product quality provides great results.
本实用新型是可以进行墨水室单体的量产， 完成品是由分开的按照需要 组合而成的， 因应生产的需要可以简单的调整产量。 因此生产计划更容易制 定、 生产时产品的数量更改也能更容易的对应。 能够更好的提高生产效率。 墨水室的墨腔底部到负压发生部是由一条细长通路连通， 由于此通路向 着墨水出口是从高至低构成， 可以使墨水完全使用干净， 大大降低残留墨量。 灌墨时控制好灌墨量就可以解决残余墨量的问题， 是非常有效率的结构。 The utility model can mass-produce the monomer of the ink chamber, and the finished product is combined by the separate according to the needs, and the production can be simply adjusted according to the needs of the production. Therefore, the production plan is easier to manufacture. The number of products at the time of production and production can also be changed more easily. Can improve production efficiency. The ink chamber bottom to the negative pressure generating portion of the ink chamber is connected by an elongated passage. Since the passage is formed from high to low toward the ink outlet, the ink can be completely cleaned and the residual ink amount is greatly reduced. Controlling the amount of ink filling during ink filling can solve the problem of residual ink volume and is a very efficient structure.
所述吸墨材质是由一组自身体内具有较多接触缝隙或距离或小孔的特定 物质， 此材质与液体接触时具有表面张力作用 （即毛细现象）。  The ink absorbing material is a specific substance having a plurality of contact gaps or distances or small holes in the body, and the material has a surface tension (i.e., capillary phenomenon) when it comes into contact with the liquid.
所述更靠近墨水的吸墨材质 I 66需位于墨盒底部,供气腔的末端，即供气 腔与墨水室的墨腔交界处为最佳。 此位置使吸墨材质可以存在两种状态： 当 墨盒在打印时,空气会经过此材质进入墨水腔,使吸墨材质的墨水被部分吸收, 该通道处于可控制的打开状态。 当不打印时， 吸墨材质由于自身结构和物理 特性的原因而产生毛细现象 （即吸附力）， 吸墨材质吸取墨水而饱和，使该通 道产生阻力， 即细润的吸墨材质将会控制空气进入墨水室的流量和流速， 从 而确保墨盒不滴墨。  The ink absorbing material I 66 closer to the ink needs to be located at the bottom of the ink tank, and the end of the air supply chamber, that is, the boundary between the air supply chamber and the ink chamber of the ink chamber is optimal. This position allows the ink absorbing material to exist in two states: When the ink cartridge is being printed, air passes through the material into the ink chamber, so that the ink of the ink absorbing material is partially absorbed, and the channel is in a controlled open state. When not printing, the ink absorbing material generates capillary phenomenon (ie, adsorption force) due to its own structure and physical properties, and the ink absorbing material absorbs the ink and saturates, causing resistance to the passage, that is, the fine ink absorbing material will control the air. The flow rate and flow rate into the ink chamber ensure that the ink cartridge does not drip.
所述更靠近导气口 5的吸墨材质 II 67的另一个作用是防止墨水从导气槽 流出.当温差变化，墨水腔气压升高时，墨水即使倒流至导气槽， 由于吸墨材 质自身的吸力， 倒流的墨水会被吸附在吸墨材质中。 起到防止墨水从导气槽 流出的作用。  The other function of the ink absorbing material II 67 closer to the air guiding port 5 is to prevent the ink from flowing out of the air guiding groove. When the temperature difference changes and the ink chamber air pressure rises, even if the ink flows back to the air guiding groove, the ink absorbing material itself The suction, the backflow of ink will be absorbed in the ink absorbing material. It acts to prevent ink from flowing out of the air guide.
所述更靠近墨水室的吸墨材质 I 66需位于墨盒底部,使打印头压力恒定， 从而打印过程也更稳定。如图 10所示,在墨盒工作时处于导通状态,打印头所 受到的压强即吐墨口处的压强=P2+pghl+pgh2， 其中， P2 是墨水室内未被墨 水充满的上部空间的压强； hi是墨水室内的墨水的高度， h2是墨水室的底部 到吐墨口的底部之间的高度。  The ink absorbing material I 66 closer to the ink chamber needs to be located at the bottom of the ink cartridge to make the pressure of the print head constant, so that the printing process is also more stable. As shown in FIG. 10, when the ink cartridge is in operation, the pressure received by the print head, that is, the pressure at the ink discharge port = P2+pghl+pgh2, where P2 is the pressure of the upper space in the ink chamber that is not filled with ink. ; hi is the height of the ink in the ink chamber, and h2 is the height between the bottom of the ink chamber and the bottom of the ink discharge port.
大气压强为一个大气压即 P0,空气腔（如图 10中的①所示）与外界相通， 因此墨盒最底部的空气压强同为 P0.根据物理压强定理,墨水腔 （如图 10 中 的②所示） 顶部的空气压强为 P2=P0-pghl， 其中 hi 为墨水室内的墨水的高 度。  The atmospheric pressure is one atmosphere, that is, P0, and the air chamber (shown as 1 in Fig. 10) communicates with the outside world, so the air pressure at the bottom of the ink cartridge is the same as P0. According to the physical pressure theorem, the ink chamber (as shown in Figure 10) Show) The air pressure at the top is P2 = P0 - pghl, where hi is the height of the ink in the ink chamber.
将 P2=P0_pghl代入 "打印头所受到的压强=P2+pghl+pgh2"。 得到 "打印 头所受到的压强=P0+pgh2" .即工作情况下， 打印头所受到的压强与 hi无关。 也就是说无论墨水减少到什么程度， 打印头所受到的压强是恒定的， 也就是 我们所说的恒压原理。 也正因为打印头所受到的压强是恒定的， 打印过程没 受到压力变化带来的影响， 因此打印过程更为稳定。 Substituting P2=P0_pghl into "the pressure received by the print head = P2+pghl+pgh2". Get "printed The pressure received by the head = P0 + pgh2". That is, the pressure applied to the print head is independent of hi. That is to say, no matter how much ink is reduced, the pressure on the print head is constant, that is, we The principle of constant voltage is also said. Because the pressure applied to the print head is constant, the printing process is not affected by the pressure change, so the printing process is more stable.
综上所述， 本实用新型可应用于打印耗材领域。  In summary, the present invention can be applied to the field of printing consumables.

Claims

权 利 要 求 书 Claim
1. 一种喷墨式打印机用墨盒， 其特征在于： 该墨盒包括用于盛装墨水的墨水 室 （6) 和负压发生部 （18)， 所述墨水室 （6) 和所述负压发生部 （18) 之间通过由负压发生部壁 A (15) 和负压发生部壁 B (16) 构成的细长通 路 （40) 相连通， 所述负压发生部 （18) 包围着墨盒的墨水吐出口 （11) 并与所述墨水吐出口 （11) 相连通。  An ink cartridge for an ink jet printer, characterized in that the ink cartridge includes an ink chamber (6) for containing ink and a negative pressure generating portion (18), and the ink chamber (6) and the negative pressure occur The portion (18) communicates with an elongated passage (40) formed by the negative pressure generating portion wall A (15) and the negative pressure generating portion wall B (16), and the negative pressure generating portion (18) surrounds the ink cartridge The ink discharge port (11) is in communication with the ink discharge port (11).
2. 根据权利要求 1所述的喷墨式打印机用墨盒， 其特征在于： 所述细长通路 2. The ink cartridge for an ink jet printer according to claim 1, wherein: the elongated passage
(40) 的入墨口设置在所述墨水室 （6) 的底部， 所述墨水室 （6) 的底壁 倾斜设置， 其倾斜底端位于所述细长通路 （40) 的入墨口处。 The ink inlet of (40) is disposed at the bottom of the ink chamber (6), and the bottom wall of the ink chamber (6) is inclined, and the inclined bottom end thereof is located at the ink inlet of the elongated passage (40).
3. 根据权利要求 1所述的喷墨式打印机用墨盒， 其特征在于： 所述墨盒还包 括回转部（14)， 所述回转部（14)转动配合在所述墨水室（6) 的侧壁上， 所述回转部 （14) 由卡紧块和把手部， 所述卡紧块把所述墨盒卡紧在打印 机上， 所述把手部实现把所述墨盒安装到打印机上或从打印机上取下。  The ink cartridge for an ink jet printer according to claim 1, wherein the ink cartridge further includes a turning portion (14), and the turning portion (14) is rotatably fitted to a side of the ink chamber (6) On the wall, the rotating portion (14) is composed of a clamping block and a handle portion, and the clamping block clamps the ink cartridge to the printer, and the handle portion enables the ink cartridge to be mounted on or from the printer. Take it down.
4. 根据权利要求 3所述的喷墨式打印机用墨盒， 其特征在于： 在所述回转部 The ink cartridge for an ink jet printer according to claim 3, wherein: the rotary portion
(14) 上设置有限位支柱 （22)， 在所述墨水室 （6) 的外侧设置有与所述 限位支柱 (22) 相配合的限位槽 （24)。 (14) A limit post (22) is disposed on the outer side of the ink chamber (6) with a limit groove (24) that cooperates with the limit post (22).
5. 根据权利要求 1所述的喷墨式打印机用墨盒， 其特征在于： 所述墨盒还包 括盖子 （1)， 所述盖子 （1) 通过设置在其上的若干根***柱与所述墨水 室 （6) 相固定连接， 在所述***柱的圆周壁上设置有若干条毛边 （31)。  The ink cartridge for an ink jet printer according to claim 1, wherein the ink cartridge further comprises a cover (1), the cover (1) passing through the plurality of insertion posts and the ink disposed thereon The chamber (6) is fixedly connected, and a plurality of burrs (31) are arranged on the circumferential wall of the insertion column.
6. 根据权利要求 1至 5任一项所述的喷墨式打印机用墨盒， 其特征在于： 在 所述墨水室 （6) 的一侧设置有道气通道， 所述道气通道直通所述墨水室 The ink cartridge for an ink jet printer according to any one of claims 1 to 5, characterized in that: a gas passage is provided at one side of the ink chamber (6), and the gas passage is straight to the Ink room
(6) 的墨腔底部， 在所述道气通道内靠近所述墨水室的墨腔底部处设置 有吸墨材质 I (66) 和吸墨材质 II (67)。 (6) The bottom of the ink chamber is provided with an ink absorbing material I (66) and an ink absorbing material II (67) at the bottom of the ink chamber near the ink chamber in the gas passage.
PCT/CN2012/087928 2012-10-11 2012-12-28 Ink cartridge for ink-jet printer WO2014056285A1 (en)

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CN 201220518178 CN202878915U (en) 2012-10-11 2012-10-11 Printer cartridge for inject printer

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JP6447016B2 (en) * 2014-10-31 2019-01-09 ブラザー工業株式会社 Tank and bottle set and bottle
JP6665649B2 (en) * 2016-04-15 2020-03-13 セイコーエプソン株式会社 cartridge

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CN2562974Y (en) * 2002-07-18 2003-07-30 珠海天威飞马打印耗材有限公司 Ink box
CN2595567Y (en) * 2001-05-17 2003-12-31 精工爱普生株式会社 Ink box
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CN2808559Y (en) * 2005-08-17 2006-08-23 嘉兴天马打印机耗材有限公司 Ink box with separated chamber
CN200957693Y (en) * 2006-09-29 2007-10-10 李祥海 Ink-box locking structure
CN202463175U (en) * 2012-02-01 2012-10-03 珠海诚威电子有限公司 Ink cartridge with double ink-absorbers

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CN2595567Y (en) * 2001-05-17 2003-12-31 精工爱普生株式会社 Ink box
CN2562974Y (en) * 2002-07-18 2003-07-30 珠海天威飞马打印耗材有限公司 Ink box
CN2666669Y (en) * 2003-10-10 2004-12-29 佛山凯德利办公用品有限公司 Ink box
CN1586893A (en) * 2004-09-13 2005-03-02 戴�峰 Ink supply device and printer ink box
CN2808559Y (en) * 2005-08-17 2006-08-23 嘉兴天马打印机耗材有限公司 Ink box with separated chamber
CN200957693Y (en) * 2006-09-29 2007-10-10 李祥海 Ink-box locking structure
CN202463175U (en) * 2012-02-01 2012-10-03 珠海诚威电子有限公司 Ink cartridge with double ink-absorbers

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