WO2012075901A1 - 喷墨墨盒用墨水补充装置 - Google Patents

喷墨墨盒用墨水补充装置 Download PDF

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Publication number
WO2012075901A1
WO2012075901A1 PCT/CN2011/083241 CN2011083241W WO2012075901A1 WO 2012075901 A1 WO2012075901 A1 WO 2012075901A1 CN 2011083241 W CN2011083241 W CN 2011083241W WO 2012075901 A1 WO2012075901 A1 WO 2012075901A1
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ink
piston
cylinder
cartridge
fluid passage
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PCT/CN2011/083241
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English (en)
French (fr)
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李世强
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珠海天威飞马打印耗材有限公司
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Publication of WO2012075901A1 publication Critical patent/WO2012075901A1/zh

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    • 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
    • B41J2/17506—Refilling of the cartridge

Definitions

  • This invention relates to an ink refilling device for an inkjet cartridge, and more particularly to an ink refilling bottle for replenishing ink for an ink cartridge of an inkjet printer during inkjet printing.
  • the present invention is based on a Chinese utility model patent application filed on Dec. 09, 2010, with the application number of 201020649632.8, the content of which is hereby incorporated by reference.
  • An inkjet printer which is usually printed by an ink container such as an ink cartridge, supplies ink to a recording head via a corresponding ink flow conduit, and ejects ink from a nozzle provided on the recording head under the driving of a printing signal. Record on a recording medium such as paper to complete the recording of characters or graphics.
  • a recording medium such as paper to complete the recording of characters or graphics.
  • Common commercially available inkjet printers can be classified into piezoelectric inkjet printers and bubble jet printers depending on the configuration of their nozzles.
  • Piezoelectric inkjet printers are provided with one or more piezoelectric crystals on each side of the ink flow pipe near the nozzle of the recording head.
  • the piezoelectric crystal is controlled by a data-modulated printing signal to cause contraction or expansion deformation, and the ink in the extrusion nozzle is ejected from the nozzle to form fine droplets, which are splashed onto a page of a recording medium such as paper to form a recording dot.
  • a bubble jet printer has a recording head structure similar to that of a piezoelectric ink jet printer. The difference is that the bubble jet printer is provided with a heating electrode on the inner wall or the outer wall of the ink flow pipe near the nozzle of the recording head.
  • the data modulated electrical pulse signal is sent to the heating electrode of the nozzle, and the heating electrode is rapidly heated to rapidly vaporize the ink near the nozzle to form a bubble.
  • the pressure generated by the expansion of the bubble causes the ink to form a fine droplet of ink from the nozzle and splashes onto the sheet of paper. After the electric pulse disappears, the ink vapor condenses, and the ink in the nozzle is maintained at a level close to the outer surface of the nozzle by the surface tension.
  • the negative pressure formed after the recording head draws ink directs the ink in the ink reservoir to flow into the ink flow conduit where the nozzle is located.
  • an ink container or ink cartridge that matches it is required to store ink.
  • the currently used ink cartridge is mainly a consumable ink cartridge.
  • the consumable ink cartridge is disposed inside the inkjet printer, that is, on the printer's word car. It usually has to be discarded after the ink is used up. If you want to use it repeatedly, you need to open the ink filling hole on the ink cartridge, and then use a syringe or other. The device refills the ink into the cartridge.
  • Consumable ink cartridges can cause waste of raw materials and energy because they are not reusable; and after the ink is exhausted, the discarded ink cartridge housing will cause environmental pollution due to a certain amount of ink remaining inside. To avoid these problems, it is often necessary to consider using a separate external ink refill bottle to supplement the consumable cartridge with subsequent ink to maintain the ink inventory of the consumable cartridge.
  • the ink refill bottle is a self-contained ink container that provides subsequent ink replenishment when the ink contained in the consumable cartridge is exhausted to ensure that the inkjet printer is in normal condition. Standby use status.
  • the Chinese utility model patent of Zl200620057249.7 discloses an ink-filled bottle for an inkjet printer cartridge. It consists of a bottle and an ink tube. One end of the ink-filling tube is tightly surrounded by the bottle mouth and penetrates into the body cavity of the bottle. The axially outer end of the mouth of the bottle has a cavity. There is a positioning block in the cavity. The positioning block covers the ink injecting tube and forms a sealing bond. The corresponding contact faces between the positioning block and the cavity remain sealed.
  • the ink filled bottle can effectively prevent the ink filling tube from being loosened and avoid ink leakage.
  • the Chinese utility model patent of ZL200620066360.2 discloses an ink refill bottle for an inkjet printer cartridge. It consists of a bottle and an ink tube. One end of the ink filling tube extends through the mouth of the bottle into the inner cavity of the bottle body. A section of the outer cylinder of the ink injection tube is tightly surrounded by the mouth of the bottle. At least one protrusion fixed to the outer cylindrical surface extends outward in the diameter direction of the ink injecting tube on the outer cylindrical surface of the ink inflating tube which is tightly surrounded by the bottle opening.
  • the ink refilling bottle can effectively prevent the ink refilling tube from loosening or sinking into the ink refilling bottle due to deformation of the bottle mouth.
  • ink-filled bottles are used to provide subsequent ink replenishment for the consumable ink cartridges, and all of them solve the problem that the ink-filled tubes are loose and slipped, but they all have the characteristics of complicated structure, so that the production cost is still relatively high. high.
  • an object of the present invention is to provide an ink replenishing device for an ink jet cartridge.
  • the ink refilling device has a simple structure and can be used for subsequent ink replenishment of the inkjet ink cartridge under clean and convenient conditions, and has a significant promoting effect on reducing production cost.
  • An ink replenishing device for an ink jet cartridge includes a cylinder block and a piston.
  • the piston can reciprocate within the cylinder.
  • One end of the cylinder corresponding to the direction of movement of the piston is provided with a fluid passage that communicates the inner cavity of the cylinder with the external environment.
  • a seal is disposed between the cylinder and the piston. The seal, together with the piston, divides the inner cavity of the cylinder into two parts that are not connected to each other.
  • a flexible sealing block that blocks the fluid passage is provided in the fluid passage. The outer port of the fluid passage away from the cylinder is closed by a flexible sealing membrane.
  • the seal member is fixed to an outer surface of the piston parallel to the moving direction of the piston, and the position of the sealing member is close to the fluid passage in the moving direction of the piston.
  • the flexible seal block is located adjacent to the flexible sealing membrane.
  • the ink replenishing device for an inkjet ink cartridge of the present invention is composed of a cylinder body and a piston, and the cylinder body is separated from the externally isolated chamber by the synergistic action of the sealing member, the piston and the sealing block, and the chamber can be accommodated by the chamber.
  • a liquid such as ink.
  • the ink supply needle tube is then inserted into the fluid passage of the ink replenishing device of the present invention, and the piston is twitched, so that the air inside the inkjet ink cartridge is replaced into the cylinder body, and the negative pressure formed by the inkjet ink cartridge is used.
  • the pressure sucks the ink contained in the cylinder into the interior of the inkjet cartridge. Therefore, the ink replenishing operation performed on the basis of this structure is simple and easy, the ink volume is moderately perfused, the ink leakage phenomenon does not occur, and the cleaning is clean and pollution-free.
  • Figure 1 is a perspective view of an ink replenishing device for an ink jet cartridge of the present invention
  • Figure 2 is a cross-sectional view showing an ink replenishing device for an ink jet cartridge of the present invention
  • Figure 3 is an exploded perspective view of the ink replenishing device for an ink jet cartridge of the present invention.
  • Figure 4 is an exploded perspective view of the ink replenishing device for an ink jet cartridge of the present invention.
  • FIGS 1, 2, 3 and 4 there are shown perspective views and cross-sectional views, respectively, of the ink refilling device for an ink jet cartridge of the present invention at different viewing angles.
  • the ink refilling device 100 for replenishing ink for an ink jet printer cartridge has a substantially cylindrical shape in its main body, and is mainly composed of a cylinder block 101 and a piston 102. Both the cylinder block 101 and the piston 102 are prepared by injection molding using plastic as a raw material.
  • Both the cylinder block 101 and the piston 102 are in the form of a cylindrical cylinder.
  • the inner diameter of the piston 102 is smaller than the inner tube diameter of the cylinder block 101, so that the piston 102 can reciprocate in the inner tube of the cylinder block 101 by an external force.
  • One end of the cylinder block 101 corresponding to the moving direction of the piston 102 is contracted into a cylindrical tube having a smaller diameter, which becomes a fluid passage 103 that communicates with the inner tube cavity of the cylinder block 101 and the external environment.
  • a cylinder handle 104 and a piston handle 105 which are easily held or manipulated by an operator are provided.
  • the cylinder handle 104 is a convex ring formed on the outer peripheral surface of the cylinder 101.
  • the piston handle 105 is a disc piece formed at the aforementioned end portion of the piston 102 having a diameter larger than itself.
  • An annular seal 106 is disposed between the cylinder block 101 and the piston 102.
  • the seal 106 is fixed to the outer surface of the piston 102 parallel to the direction of movement of the piston 102 itself, and in the direction of movement of the piston 102, the position of the seal 106 is close to the fluid passage 103.
  • a flexible sealing block 107 made of an elastic material such as rubber is provided inside the fluid passage 103 with a communication function of blocking the fluid passage 103.
  • a flexible sealing film 108 made of a plastic film is provided, so that the outer port of the fluid passage 103 facing away from the cylinder block 101 is closed by the flexible sealing film 108 to further prevent ink from being further removed.
  • the fluid passage 103 leaks out.
  • the operator When the ink replenishing device 100 is used to replenish ink for an inkjet ink cartridge (not shown) built in the inkjet printer, the operator first sucks the ink into the ink refilling device 100, and then closes the nozzle and the air guiding port of the inkjet cartridge, and then The ink filling port of the inkjet ink cartridge is fastened to the socket of the ink supply needle (not shown), and then the ink supply needle tube is inserted into the fluid passage 103 of the ink replenishing device 100 to maintain the level of the ink refilling device 100.
  • the position is higher than the state of the ink supply needle tube, and then the piston 102 is pulsed, so that the air inside the inkjet ink cartridge is replaced into the cylinder block 101, and the cylinder 101 can be used by the negative pressure formed inside the inkjet ink cartridge and the gravity of the ink itself.
  • the ink contained in the ink is sucked into the interior of the inkjet cartridge.
  • the operator When it is necessary to replenish ink for the inkjet ink cartridge built in the inkjet printer, the operator only needs to close the nozzle of the inkjet ink cartridge and the air guiding port, and then the ink filling port of the inkjet ink cartridge is fastened to the socket of the ink feeding needle tube, and then Inserting the ink supply needle into the fluid passage of the ink replenishing device of the present invention, pulsing the piston, displace the air inside the inkjet cartridge into the cylinder, and accommodating the cylinder with the negative pressure formed inside the inkjet cartridge The ink is drawn into the interior of the inkjet cartridge.

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  • Ink Jet (AREA)

Description

喷墨墨盒用墨水补充装置 技术领域
本发明涉及喷墨墨盒用墨水补充装置，特别是在喷墨打印过程中为喷墨打印机的内置墨盒补充墨水的墨水补充瓶。本发明基于申请日为2010年12月09日、申请号为201020649632.8的中国实用新型专利申请，该申请的内容作为与本发明密切相关的参考文献引入本文。
 背景技术
喷墨打印机，其打印方式通常是由墨盒之类的墨水容器提供墨源，经由相应的墨水流动管道将墨水输运至记录头，在打印信号的驱动下将墨水自记录头上设置的喷嘴喷射至纸张等记录介质上，来完成字符或图形的记录。常见的市售喷墨打印机根据其喷嘴的结构形式，可以分为压电式喷墨打印机和气泡式喷墨打印机。
压电式喷墨打印机，是在其记录头喷嘴附近的墨水流动管道两侧各设置一块或多块压电晶体。压电晶体受到由数据调制的打印信号控制，产生收缩或膨胀变形，挤压喷嘴中的墨水自喷嘴射出后形成微细的液滴，溅落至记录介质例如纸张的页面上，形成一个记录点。
气泡式喷墨打印机，其记录头结构与压电式喷墨打印机相似。它们的差别是，气泡式喷墨打印机在记录头喷嘴附近的墨水流动管道内壁或外壁上设置了加热电极。数据调制的电脉冲信号被送到喷嘴的加热电极上，加热电极快速升温，使喷嘴附近的墨水迅速汽化，形成汽泡。汽泡膨胀产生的压力使墨水自喷嘴射出后形成一个个微细的墨滴，溅落至纸张页面上。电脉冲消失后，墨水蒸汽凝聚，喷嘴内的墨水通过表面张力维持在与喷嘴外表面齐口的水平。记录头抽取墨水后形成的负压引导储墨腔内的墨水流入喷嘴所在的墨水流动管道。
无论是压电式喷墨打印机，还是气泡式喷墨打印机，都需要与其相匹配的墨水容器或墨盒来储备墨水。作为喷墨打印机用于容纳墨水的构件，当前使用的墨盒主要是消耗性墨盒。消耗性墨盒被配置于喷墨打印机内部，即打印机的字车上，它在墨水用完后通常就得丢弃，如果想重复使用，就需要在墨盒上开设灌墨孔，然后用注射器或者其他的设备将墨水再次注入墨盒中。消耗性墨盒由于不可重复使用，会造成原材料和能源的浪费；而且在墨水耗尽后，丢弃的墨盒壳体由于其内部还残留一定量的墨水，会造成环境污染。为避免这些出现这些问题，通常需要考虑使用独立的外部墨水补充瓶来为消耗性墨盒提供后续墨水的补充，以维持消耗性墨盒的墨水储量。
作为对消耗性墨盒补充墨水的容器，墨水补充瓶是一种独立的墨水容器，它在消耗性墨盒所储备的墨水被耗用尽净时为其提供后续墨水补充，以保证喷墨打印机处于正常待命使用状态。
Zl200620057249.7号中国实用新型专利公开了一种喷墨打印机墨盒用墨水填充瓶。它包括瓶体和注墨管。注墨管一端被瓶体的瓶口紧密包围后穿入瓶体内腔。瓶口的轴向外端沿具有凹腔。该凹腔中具有定位块。该定位块包覆住注墨管并形成密封粘接。定位块与凹腔之间的相应接触面保持密封粘接。该墨水填充瓶可有效地防止注墨管松脱，避免墨水泄漏。
ZL200620066360.2号中国实用新型专利公开了一种喷墨打印机墨盒用墨水补充瓶。它包括瓶体和注墨管。注墨管一端穿过瓶体的瓶口伸入瓶体的内腔。注墨管的一段外部柱面被瓶口紧密包围。在注墨管被瓶口紧密包围的外部柱面上，沿注墨管的直径方向向外延伸出至少一个固定于该外部柱面上的突起。该墨水补充瓶可有效地防止因瓶口变形而导致注墨管松脱或沉入墨水补充瓶内。
 技术问题
上述墨水填充瓶都是用来为消耗性墨盒提供后续的墨水补充，都针对其注墨管松脱、滑落问题提出了解决的办法，但它们都具有结构较为复杂的特点，以致生产成本仍然较高。
技术解决方案
针对上述问题，本发明目的在于提供一种喷墨墨盒用墨水补充装置。该墨水补充装置结构简单，可以在清洁、便利的条件下用于喷墨墨盒的后续墨水补充，对于降低生产成本具有显著的促进作用。
按照上述本发明目的设计的喷墨墨盒用墨水补充装置，包括缸体和活塞。活塞可在缸体内作往复运动。缸体对应于活塞运动方向的一端设置有连通缸体之内腔和外部环境的流体通路。缸体和活塞之间设置有密封件。该密封件连同活塞一起把缸体之内腔分为互不连通的两部分。流体通路中设置有阻断流体通路的柔性密封块。流体通路背对缸体的外端口由柔性密封膜封闭。
前述喷墨墨盒用墨水补充装置，其密封件固定于活塞之平行于活塞运动方向的外表面上，而且在活塞运动方向上该密封件的位置接近流体通路。柔性密封块的位置靠近柔性密封膜。
 有益效果
本发明喷墨墨盒用墨水补充装置，由缸体和活塞构成，通过密封件、活塞和密封块三者的协同作用，将缸体分隔出与外界隔绝的腔室，利用该腔室即可容纳墨水之类的液体。在这种构造状态下，当需要为喷墨打印机内置的喷墨墨盒补充墨水时，操作者只需要封闭喷墨墨盒的喷嘴和导气口，再将喷墨墨盒的灌墨口扣接到输墨针管的管座上，接着把输墨针管插接到本发明墨水补充装置的流体通路中，抽动活塞，使喷墨墨盒内部的空气被置换到缸体中，利用喷墨墨盒内部所形成的负压将缸体中所容纳的墨水吸入喷墨墨盒内部。因而，在此构造基础上进行的墨水补充操作简便易行，墨量灌注适中，不会出现墨水泄漏的现象，具有清洁、无污染的特点。
 附图说明
图1本发明喷墨墨盒用墨水补充装置透视图;
图2本发明喷墨墨盒用墨水补充装置剖视图;
图3本发明喷墨墨盒用墨水补充装置分解透视图一;
图4本发明喷墨墨盒用墨水补充装置分解透视图二。
 本发明的实施方式
下面结合附图详细描述本发明喷墨墨盒用墨水补充装置。
参见图1、2、3、4，分别示出本发明喷墨墨盒用墨水补充装置在不同视角下的透视图及其剖视图。
该用来为喷墨打印机墨盒补充墨水的墨水补充装置100，其主体外观形状略呈圆柱管，它主要由缸体101和活塞102构成。缸体101和活塞102两者均采用塑料作为原材料以注塑方式制备。
缸体101和活塞102均采用圆柱筒的形式。活塞102的内径小于缸体101的内管直径，这样活塞102可通过外力作用在缸体101的内管中作往复运动。缸体101对应于活塞102的运动方向的一端收缩成直径较小的圆柱管，该圆柱管成为连通缸体101的内管空腔和外部环境的流体通路103。在缸体101和活塞102背对流体通路103的一端，分别各自设置有便于操作者握持或者操控的缸体手柄104和活塞手柄105。缸体手柄104是在缸体101外周面上形成的凸环。活塞手柄105是在活塞102的前述端部形成的直径大于自身的圆盘片。
在缸体101和活塞102之间设置有环形密封件106。密封件106固定于活塞102之平行于活塞102自身运动方向的外表面上，而且在活塞102的运动方向上，密封件106的位置接近流体通路103。环形密封件106固定于活塞102上之后，它同活塞102一起把缸体101的内管空腔分为互不连通的两个部分。在流体通路103内部设置有阻断流体通路103的连通功能的由弹性材料例如橡胶制备的柔性密封块107。在流体通路103背对缸体101的外端口，设置有采用塑料薄膜制备的柔性密封膜108，使流体通路103背对缸体101的外端口由柔性密封膜108予以封闭，以进一步防止墨水从流体通路103中漏出。
采用墨水补充装置100为喷墨打印机内置的喷墨墨盒（图中未示出）补充墨水时，操作者首先将墨水吸入墨水补充装置100中，然后封闭喷墨墨盒的喷嘴和导气口，再将喷墨墨盒的灌墨口扣接到输墨针管（图中未示出）的管座上，接着把输墨针管插接到墨水补充装置100的流体通路103中，保持墨水补充装置100的水平位置高于输墨针管的状态，之后抽动活塞102，使喷墨墨盒内部的空气被置换到缸体101中，利用喷墨墨盒内部所形成的负压和墨水自身的重力即可将缸体101中所容纳的墨水吸入喷墨墨盒内部。
 工业实用性
当需要为喷墨打印机内置的喷墨墨盒补充墨水时，操作者只需要封闭喷墨墨盒的喷嘴和导气口，再将喷墨墨盒的灌墨口扣接到输墨针管的管座上，接着把输墨针管插接到本发明墨水补充装置的流体通路中，抽动活塞，使喷墨墨盒内部的空气被置换到缸体中，利用喷墨墨盒内部所形成的负压将缸体中所容纳的墨水吸入喷墨墨盒内部。

Claims (2)

  1. 喷墨墨盒用墨水补充装置，包括
    缸体和活塞，所述活塞可在所述缸体内作往复运动，所述缸体对应于所述活塞运动方向的一端设置有连通所述缸体之内腔和外部环境的流体通路;
    其特征在于:
    所述缸体和所述活塞之间设置有密封件，所述密封件连同所述活塞一起把所述缸体之内腔分为互不连通的两部分;
    所述流体通路中设置有阻断所述流体通路的柔性密封块，所述流体通路背对所述缸体的外端口由柔性密封膜封闭。
  2. 如权利要求1所述喷墨墨盒用墨水补充装置，其特征在于:
    所述密封件固定于所述活塞之平行于所述活塞运动方向的外表面上,且在所述活塞运动方向上其位置接近所述流体通路;
    所述柔性密封块的位置靠近所述柔性密封膜。
PCT/CN2011/083241 2010-12-09 2011-11-30 喷墨墨盒用墨水补充装置 WO2012075901A1 (zh)

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CN201900800U (zh) * 2010-12-09 2011-07-20 珠海天威飞马打印耗材有限公司 喷墨墨盒用墨水补充装置
CN107264057A (zh) * 2017-06-23 2017-10-20 安徽新华印刷股份有限公司 一种喷墨打印机墨盒
US11209747B2 (en) 2018-08-30 2021-12-28 Hewlett-Packard Development Company, L.P. Dispensers with plungers

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