WO2011054217A1 - 喷墨打印机的墨盒 - Google Patents

喷墨打印机的墨盒 Download PDF

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Publication number
WO2011054217A1
WO2011054217A1 PCT/CN2010/074937 CN2010074937W WO2011054217A1 WO 2011054217 A1 WO2011054217 A1 WO 2011054217A1 CN 2010074937 W CN2010074937 W CN 2010074937W WO 2011054217 A1 WO2011054217 A1 WO 2011054217A1
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WO
WIPO (PCT)
Prior art keywords
ink
printer
ink cartridge
housing
lever assembly
Prior art date
Application number
PCT/CN2010/074937
Other languages
English (en)
French (fr)
Inventor
陈保全
Original Assignee
珠海纳思达企业管理有限公司
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 珠海纳思达企业管理有限公司 filed Critical 珠海纳思达企业管理有限公司
Publication of WO2011054217A1 publication Critical patent/WO2011054217A1/zh
Priority to US13/464,781 priority Critical patent/US8303097B2/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
    • B41J2/17513—Inner structure
    • 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
    • B41J2/17543—Cartridge presence detection or type identification
    • B41J2/17546—Cartridge presence detection or type identification electronically
    • 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
    • B41J2/17553—Outer structure
    • 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
    • B41J2/17566—Ink level or ink residue control
    • 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
    • B41J2002/17516—Inner structure comprising a collapsible ink holder, e.g. a flexible bag

Definitions

  • the present invention relates to an ink cartridge for an ink jet printer. Background technique
  • inkjet printers are accepted by many ordinary consumers for their reliable print quality and low price.
  • an ink jet printer having an ink cartridge mounting portion having a pressure detecting device for identifying ink consumption in the ink cartridge, and an electrical contact portion for engaging an electrical contact of the ink cartridge, the electrical contact Can move within a certain range.
  • the ink cartridge includes: a flexible ink reservoir coupled to the chassis for containing ink and fluidly coupled to a fluid inlet of the pump; a linearly movable pump having a variable volume chamber integrated on the chassis when biased toward In the direction of volume expansion, the ink is sucked from the ink reservoir through the fluid inlet of the pump, and the ink is forced out when moving in the direction of contraction; a check valve is provided at the inlet of the pump, allowing ink to flow out of the ink reservoir through the inlet of the pump, Restricting ink flow back to the ink reservoir; a fluid outlet disposed on the chassis; an electrical contact surface portion defined by a recess in the outer casing of the replaceable ink container, the recess having a first inner surface as the engagement portion and a a second inner surface having a plurality of electrical contacts such that no electrical contact between the electrical contacts of the printer and the electrical contacts on the ink cartridge is required Engage in the case of applying pressure.
  • the ink cartridge uses a complicated pump structure for ink supply and as an ink detecting portion, including a pump cap, a check valve, a spring, and the like.
  • the physical characteristics and mutual cooperation of these components add many unstable factors, such as : If the check valve at the pump inlet is not tightly closed during ink supply, ink will flow from the pump to the ink reservoir, which will result in insufficient ink supply at the fluid outlet, affecting print quality. This has caused great difficulties in controlling the quality of the product, and at the same time, it has increased the cost of manufacturing the product, the detection mechanism is complicated, and the accuracy of the detection mechanism is not high.
  • the ink cartridges used in color inkjet printers are generally several ink cartridges filled with inks of different colors.
  • ink cartridges In order to prevent the ink cartridges from being assembled incorrectly, such ink cartridges have corresponding identification features for each model, but in solving the above problems, Increased manufacturing costs for ink cartridge products, including mold manufacturing costs, material control costs for production processes, and more. Summary of the invention
  • the present invention provides an ink cartridge for an ink jet printer to solve the technical problem that the ink cartridge detecting mechanism of the conventional ink jet printer is complicated and low in reliability.
  • the technical solution drawn by the present invention is:
  • An ink cartridge for an ink jet printer comprising: an ink reservoir formed by a concave housing and a flexible deformable film, a fluid outlet for connection to a fluid inlet of the printer, an information storage device, a locking mechanism, and for detecting a detecting mechanism for the consumption of ink, the detecting mechanism comprising a lever assembly located in the ink storage chamber and a force transmission assembly on the housing made of a deformable material and communicating with the ink storage chamber, when the ink storage chamber is contained
  • the force transmitting component transmits the pressure applied by the pressure detecting device of the printer to the lever assembly by self deformation, the lever assembly restricting further movement of the pressure detecting device of the printer to indicate that there is ink in the ink cartridge, when storing When the ink in the ink chamber is gradually consumed to a predetermined value, the lever assembly is pressed by the flexible deformable film to a predetermined position, and the force transmitting member cannot transmit the pressure applied by the pressure detecting device of the printer to the The
  • the housing is provided with an elastic wall, and the information storage device is disposed on the elastic wall.
  • the information storage device is under the preload force applied by the elastic wall. Engages with corresponding electrical contacts on the printer to form an electrical connection.
  • Positioning ribs are further disposed on both sides of the casing.
  • the locking mechanism catches a corresponding portion of the printer fluid inlet when the ink cartridge is inserted into the designated position.
  • the positioning ribs on both sides of the housing are symmetrical.
  • the production process is simple and the detection reliability is improved, and the ink cartridge detecting mechanism of the existing ink jet printer is complicated and reliable. Not a high technical problem.
  • the information storage device is engaged with the corresponding electrical contact at the receiving position of the printer under the preload force applied by the elastic wall, it is possible to have the first inner surface which is not present exclusively as the engaging portion. Forming a reliable electrical connection; solving the technical problem that the ink cartridge of the existing inkjet printer must be provided with a special engaging portion in order to make the information storage device engage with the corresponding electrical contacts on the printer to form an electrical connection.
  • the ribs of various types of ink cartridges are uniformly shaped to produce different types of ink cartridges.
  • the same mold can be used to save mold costs and simplify the production process.
  • Different types of ink cartridges are identified by packaging.
  • the locking mechanism is used to catch the corresponding portion of the printer fluid inlet when the ink cartridge is inserted into the designated position, ensuring that the ink cartridge does not pop out under the impact of the pump generator.
  • FIG. 1 is a schematic view showing an explosion structure of an ink cartridge according to an embodiment of the present invention
  • Figure 2A is a front elevational view of the ink cartridge of the embodiment of the present invention in the direction of the fluid outlet;
  • FIG. 2B is a cross-sectional view of the ink cartridge according to the embodiment of the present invention taken along the line BB of FIG. 2A;
  • FIG. 2C is a cross-sectional view of the ink cartridge according to the embodiment of the present invention taken along line AA of FIG. 2B;
  • FIG. 3A is an ink detecting mechanism of the embodiment of the present invention.
  • Fig. 3B is a view showing the position of the ink detecting mechanism of the embodiment of the present invention in a state where the ink cartridge is in an ink-free state.
  • FIG. 1 is a schematic view showing the explosion structure of the ink cartridge of the embodiment, and the structure thereof comprises: a cover 1, a deformable film 2, a concave housing 3, a lever assembly 4, a fluid outlet 5, a locking mechanism 6, and a sealing ring. 7.
  • the deformable film 2 and the concave casing 3 constitute an ink storage chamber of the ink cartridge, and the deformable film 2 substantially follows the concave shape of the concave casing 3 as the ink is consumed, and the face cover 1 serves to protect the deformable film 2.
  • the lever assembly 4 is located in the ink reservoir for detecting the consumption of ink in the ink reservoir.
  • the fluid outlet 5 is for engaging with the fluid inlet of the printer, and is provided with a sealing ring 7 which is arranged such that when the ink cartridge is mounted in the mounting portion of the printer, the protruding portion of the printer fluid inlet pierces the sealing ring, thereby achieving fluid connection.
  • the sealing ring 7 seals the hole formed by the protruding portion of the printer fluid inlet due to its own elasticity.
  • the locking mechanism 6 catches an opening at the printer fluid inlet when the ink cartridge is inserted into the designated position, ensuring that the ink cartridge does not eject under the impact of the pressure detecting device of the printer.
  • the information storage device 1 1 is mounted on the elastic wall 8, and when the ink cartridge is mounted in the mounting portion of the printer, since the electrical contact of the printer is movable, the elastic wall 8 The electrical contact of the printer is pressed to a fixed position by its own elasticity, thereby achieving engagement between the electrical contacts on the information storage device and the electrical contacts of the printer.
  • the head frame 9 is used to fix the force transmitting assembly 10 and is fixed to the concave housing 3 by welding.
  • the force transfer assembly 10 is made of a deformable material for transmitting pressure from a pressure sensing device of the printer.
  • the ribs 14 extend outwardly from both sides of the cartridge housing. When the ink cartridge is inserted into the ink cartridge mounting portion of the printer, the rib guides the ink cartridge to be smoothly inserted, so that the fluid outlet and the fluid inlet of the printer are smoothly engaged, and the rib restricts the left and right direction of the ink cartridge. The movement.
  • 2A, 2B, and 2C further show the structure of the ink cartridge from various directions.
  • Fig. 3A is a view showing the position of the ink detecting mechanism when the ink cartridge is in an ink state.
  • the upper portion of the lever assembly 4 is in a free state, and the lever assembly 4 is in the illustrated position due to the small spring 12 applying a certain pressure to the lower portion of the lever assembly 4, at which time the pressure detecting device 13 of the printer is facing the force transmitting assembly. 10 applies a certain pressure, the force transmission assembly 10 is elastically deformed under pressure to be coupled to the lever assembly 4, thereby transmitting the pressure applied by the pressure detecting device 13 of the printer to the lever assembly 4, and the lever assembly 4 prevents the pressure detecting device 13 of the printer from furthering. Move so that the printer prompts for ink in the cartridge.
  • the deformable film 2 substantially follows the concave shape of the concave casing 3 to press the upper portion of the lever assembly 4 to move the lever assembly 4 in the illustrated direction.
  • the pressure detecting device 13 of the printer applies pressure to the force transmitting assembly 10, and the force transmitting assembly 10 is elastically deformed under pressure, at this time due to the lever assembly 4 Moving, the force transmitting assembly 10 is no longer connected to the lever assembly 4, so that the pressure applied by the pressure detecting device 13 of the printer to the force transmitting assembly 10 cannot be transmitted to the lever assembly 4, so that the pressure detecting device 13 of the printer is free within a predetermined range. Flex, the printer prompts the cartridge to run out of ink.

Landscapes

  • Ink Jet (AREA)

Description

喷墨打印机的墨盒
本申请要求于 2009 年 1 1 月 09 日提交中国专利局、 申请号为 200920260198.1、 发明名称为"一种喷墨打印机的墨盒"的中国专利申请的 优先权， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及一种用于喷墨打印机的墨盒。 背景技术
随着现代科技的发展， 喷墨打印机以其可靠的打印质量、 低廉的价格 为众多的普通消费者所接受。 其中有一种喷墨打印机， 此打印机的墨盒安 装部分具有一个用来识别墨盒内的墨水消耗情况的压力检测装置， 和用来 与墨盒上电触点相啮合的电触点部分， 该电触点可以在一定范围内移动。
美国专利 US5825387、US6364472和 US6793329公开了一种用于此种 打印机的墨盒， 该墨盒为一个由相对的侧壁和相对的端壁确定的长形容 器； 一个第一特征表示容纳在墨水容器中墨水型号； 一个不同于第一特征 的第二特征， 表示与容纳在墨水容器中墨水相对应的墨水颜色。 该墨盒包 括： 一个柔性的连接在底盘上的墨水储存器容纳墨水， 且与泵的流体入口 形成流体连接； 一个线性移动的具有可变的体积腔的泵集成在底盘上， 当 偏压朝着体积膨胀的方向时通过泵的流体入口从墨水存储器中吸出墨水， 朝着收缩的方向移动时压出墨水； 一个单向阀设置在泵的入口， 允许墨水 通过泵的入口从墨水存储器中流出， 限制墨水流回墨水存储器； 一个流体 出口设置在底盘上； 一个由可更换的墨水容器的外壳上的凹槽确定的电接 触表面部分， 此凹槽有一个作为啮合部分的第一内表面和一个具有多个电 触点的第二内表面， 从而打印机的电触点与墨盒上的电触点之间在不需要 施加压力的情况下啮合。
此种墨盒釆用复杂的泵结构进行供墨和作为墨水检测部分， 包括泵 帽， 单向阀， 弹簧等多种元件， 这些元件的物理特性及相互配合关系又增 加了许多不稳定因素， 如： 泵入口处的单向阀如果在供墨时关闭不严， 墨 水从泵中流至储墨容器， 则会造成流体出口处墨水供应不足， 影响打印质 量。 这对产品质量的控制造成了很大的困难， 同时也增加了产品制造的成 本， 检测机构复杂且检测机构精度不高。
另外， 彩色喷墨打印机所使用的墨盒一般为几个灌注不同颜色墨水的 墨盒，为了防止墨盒装配错误，此种墨盒对每个型号做了相应的识别特征， 然而在解决以上问题的同时， 也增加了墨盒产品的生产制造成本， 包括模 具制造费用、 生产过程的物料控制费用等。 发明内容
本发明提供一种喷墨打印机的墨盒， 以解决现有喷墨打印机的墨盒检 测机构复杂且可靠性不高的技术问题。
为了解决以上技术问题， 本发明釆取的技术方案是：
一种喷墨打印机的墨盒， 包括： 由凹形壳体和柔性的可变形膜形成的 储墨腔、 用于与打印机的流体入口连接的流体出口、 信息存储装置、 锁紧 机构和用于检测墨水的消耗的检测机构， 所述检测机构包括位于所述储墨 腔内的杠杆组件和位于壳体上由可变形材料制成且与储墨腔相通的力传 递组件， 当储墨腔内容纳有墨水时， 所述力传递组件通过自身变形将打印 机的压力检测装置施加的压力传递给所述杠杆组件， 所述杠杆组件限制打 印机的压力检测装置的进一步移动以表示墨盒内有墨水， 当储墨腔内墨水 逐渐消耗达到一个预定的数值时， 所述杠杆组件被柔性的可变形膜压住移 动到一预定位置， 所述力传递组件无法将打印机的压力检测装置施加的压 力传递给所述杠杆组件， 打印机的压力检测装置在一预定范围内自由伸缩 而提示墨盒内墨水耗尽。 所述壳体上设置有弹性壁， 所述信息存储装置设置在所述的弹性壁 上， 当墨盒安装进打印机的安装位置时， 所述信息存储装置在弹性壁施加 的预紧力的作用下与打印机上相应的电触点啮合形成电连接。
所述壳体两侧还设置有定位筋条。
所述锁紧机构在墨盒插到指定位置时， 挂住打印机流体入口处相应部 分。
所述壳体两侧的定位筋条对称。
在釆用了上述技术方案后， 由于取消了检测机构中泵内的弹簧、 单向 阀等元件， 生产工艺简单且检测可靠性提高， 解决现有了喷墨打印机的墨 盒检测机构复杂且可靠性不高的技术问题。 另外， 由于信息存储装置在弹 性壁的对其施加的预紧力的作用下与打印机接受位置上相应的电触点啮 合， 从而可以在没有专门作为啮合部分而存在的第一内表面的情况下形成 可靠的电连接； 解决了现有喷墨打印机的墨盒必须设置专门的啮合部分才 能使信息存储装置与打印机上相应的电触点啮合形成电连接的技术问题。 其次， 由于在墨盒壳体两侧具有大致对称的导向、 定位筋条， 从墨盒壳体 两侧面向外延伸， 各种不同型号的墨盒的筋条釆用统一的形状， 从而生产 不同型号的墨盒可釆用同一模具， 节省模具费用和简化生产工艺， 不同型 号的墨盒釆用包装加以识别。 再次， 锁紧机构在墨盒插到指定位置时， 用 来挂住打印机流体入口处相应部分， 确保墨盒在泵发生器的打击下不会弹 出。 附图说明
图 1是本发明实施例的墨盒爆炸结构示意图；
图 2A是本发明实施例的墨盒沿流体出口方向的主视图；
图 2B是本发明实施例的墨盒沿图 2A的 B-B方向的剖视图； 图 2C是本发明实施例的墨盒沿图 2B的 A-A方向的剖视图； 图 3A是本发明实施例的墨水检测机构在处于墨盒有墨水的状态时的 位置示意图；
图 3B是本发明实施例的墨水检测机构在处于墨盒没有墨水的状态时 的位置示意图。
附图标记：
1 -面盖； 2 -可变形膜； 3 -凹形壳体； 4 -杠杆组件;
5 -流体出口 6 -锁紧机构； 7 -密封圈； 8 -弹性壁；
9 -头木: 10 -力传递组件; 14 -筋条； 12 -小弹簧；
13 -打印机的压力检测装置 11 -信息存储装置。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本 发明实施例中的附图， 对本发明实施例中的技术方案进行清楚、 完整地描 述，显然， 所描述的实施例是本发明一部分实施例， 而不是全部的实施例。 基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提 下所获得的所有其他实施例， 都属于本发明保护的范围。
如图 1所示为本实施例的墨盒的爆炸结构示意图， 其结构包括： 面盖 1、 可变形膜 2、 凹形壳体 3、 杠杆组件 4、 流体出口 5、 锁紧机构 6、 密封 圈 7、 弹性壁 8、 头架 9、 力传递组件 10、 信息存储装置 1 1、 筋条 14等。
可变形膜 2和凹形壳体 3组成墨盒的储墨腔， 随着墨水的消耗， 可变 形膜 2大致追随凹形壳体 3的凹面形状， 面盖 1用来保护可变形膜 2。 杠 杆组件 4位于储墨腔内， 用于检测储墨腔内墨水的消耗。 流体出口 5用来 与打印机的流体入口啮合， 安装有密封圈 7, 此密封圈设置为当墨盒安装 进打印机的安装部分时， 打印机流体入口的突出部分刺穿密封圈， 从而实 现流体连接， 当墨盒从打印机的安装位置取出时， 密封圈 7由于自身的弹 性密封住打印机流体入口的突出部分形成的孔。 锁紧机构 6在墨盒插到指 定位置时挂住打印机流体入口处的一个开口， 确保墨盒在打印机的压力检 测装置的打击下不会弹出。 信息存储装置 1 1安装在弹性壁 8上， 当墨盒 安装进打印机的安装部分时， 由于打印机上电触点为可移动的， 弹性壁 8 利用自身弹性将打印机的电触点压至一固定位置， 从而实现信息存储装置 上的电触点与打印机的电触点之间的啮合。 头架 9 用来固定力传递组件 10, 釆用焊接的方式固定在凹形壳体 3上。 力传递组件 10釆用可变形材 料制成， 用来传递来自打印机的压力检测装置的压力。 筋条 14从墨盒壳 体两侧面向外延伸， 墨盒在插入打印机的墨盒安装部分时此筋条引导墨盒 顺利插入， 使流体出口与打印机的流体入口顺利接合， 同时此筋条限制墨 盒的左右方向的移动。
图 2A、 图 2B、 图 2C从各个方向上进一步显示了墨盒的结构。
图 3A为墨水检测机构在处于墨盒有墨水的状态时的位置图示。 当墨 盒内有墨水时， 杠杆组件 4上部处于自由状态， 由于小弹簧 12对杠杆组 件 4的下部施加一定的压力使杠杆组件 4处于图示位置， 此时打印机的压 力检测装置 13对力传递组件 10施加一定的压力， 力传递组件 10在压力 下弹性变形与杠杆组件 4连接， 从而把打印机的压力检测装置 13施加的 压力传递给杠杆组件 4,杠杆组件 4阻止打印机的压力检测装置 13的进一 步移动， 从而打印机提示墨盒内有墨水。
当墨盒内的墨水逐渐消耗时， 可变形膜 2大致追随凹形壳体 3的凹面 形状从而压住杠杆组件 4的上部， 使杠杆组件 4按图示方向移动。 当移动 至图 3B所示位置时， 此时墨盒内墨水大致耗尽， 打印机的压力检测装置 13对力传递组件 10施加压力， 力传递组件 10在压力下弹性变形， 此时由 于杠杆组件 4的移动， 力传递组件 10与杠杆组件 4不再连接， 从而无法 将打印机的压力检测装置 13施加在力传递组件 10的压力传递给杠杆组件 4, 使得打印机的压力检测装置 13在一预定范围内自由伸缩， 此时打印机 提示墨盒内墨水耗尽。
最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对 其限制； 尽管参照前述实施例对本发明进行了详细的说明， 本领域的普通 技术人员应当理解： 其依然可以对前述各实施例所记载的技术方案进行修 改， 或者对其中部分技术特征进行等同替换； 而这些修改或者替换， 并不 使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims

权 利 要 求
1、 一种喷墨打印机的墨盒， 包括： 由凹形壳体和柔性的可变形膜形 成的储墨腔、 用于与打印机的流体入口连接的流体出口、 信息存储装置、 锁紧机构和用于检测墨水的消耗的检测机构， 其特征是， 所述检测机构包 括位于所述储墨腔内的杠杆组件和位于壳体上由可变形材料制成且与储 墨腔相通的力传递组件， 当储墨腔内容纳有墨水时， 所述力传递组件通过 自身变形将打印机的压力检测装置施加的压力传递给所述杠杆组件， 所述 杠杆组件限制打印机的压力检测装置的进一步移动以表示墨盒内有墨水， 当储墨腔内墨水逐渐消耗达到一个预定的数值时， 所述杠杆组件被柔性的 可变形膜压住移动到一预定位置， 所述力传递组件无法将打印机的压力检 测装置施加的压力传递给所述杠杆组件， 打印机的压力检测装置在一预定 范围内自由伸缩而提示墨盒内墨水耗尽。
2、 根据权利要求 1 所述的喷墨打印机的墨盒， 其特征是， 所述壳体 上设置有弹性壁， 所述信息存储装置设置在所述的弹性壁上， 当墨盒安装 进打印机的安装位置时， 所述信息存储装置在弹性壁施加的预紧力的作用 下与打印机上相应的电触点啮合形成电连接。
3、 根据权利要求 1 所述的喷墨打印机的墨盒， 其特征是， 所述壳体 两侧还设置有定位筋条。
4、 根据权利要求 1 所述的喷墨打印机的墨盒， 其特征是， 所述锁紧 机构在墨盒插到指定位置时， 挂住打印机流体入口处相应部分。
5、 根据权利要求 3 所述的喷墨打印机的墨盒， 其特征是， 所述壳体 两侧的定位筋条对称设置。
PCT/CN2010/074937 2009-11-09 2010-07-02 喷墨打印机的墨盒 WO2011054217A1 (zh)

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