WO2023093400A1 - 一种墨盒 - Google Patents

一种墨盒 Download PDF

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Publication number
WO2023093400A1
WO2023093400A1 PCT/CN2022/126664 CN2022126664W WO2023093400A1 WO 2023093400 A1 WO2023093400 A1 WO 2023093400A1 CN 2022126664 W CN2022126664 W CN 2022126664W WO 2023093400 A1 WO2023093400 A1 WO 2023093400A1
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WO
WIPO (PCT)
Prior art keywords
ink cartridge
width
shielding portion
shielding
ink
Prior art date
Application number
PCT/CN2022/126664
Other languages
English (en)
French (fr)
Inventor
夏敬章
梁仕超
贾志铮
邱涌群
李凤荣
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
Priority claimed from CN202220554674.6U external-priority patent/CN217396024U/zh
Priority claimed from CN202220554695.8U external-priority patent/CN217415263U/zh
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 WO2023093400A1 publication Critical patent/WO2023093400A1/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

Definitions

  • the invention relates to the technical field of inkjet printers, in particular to an ink box.
  • the existing ink cartridge includes a housing on which a chip mechanism and a light shielding plate are arranged.
  • the chip mechanism contacts the stylus, and at the same time, the shading plate blocks the first optical sensor, thereby blocking or changing the optical path of the first optical sensor, so that the printer can detect whether the ink cartridge is installed in place.
  • the chip mechanism and the installation cavity of the printer form a certain position-limiting and stable structure.
  • the width of the ink cartridge and the width of the printer’s installation cavity are often not perfectly matched, there is a certain gap. After the ink cartridge is installed in the printer’s installation cavity, it may shake in the left and right width direction with the positioning part at the front end of the chip mechanism as the axis, causing the ink cartridge The installation is unstable.
  • an ink cartridge for being installed in a cartridge attachment unit of a printer along a length direction, a first sensor and a contact pin are arranged in the cartridge attachment unit, the ink cartridge includes:
  • the chip board includes at least one electrical interface, and the electrical interface is electrically connected to the contact pin when the ink cartridge is installed;
  • the width of the first shielding portion is greater than or equal to the width of the electrical interface, and at least part of the width of the first shielding portion is less than or equal to the width between the first sensors.
  • the width of at least a part of the first shielding portion is greater than or equal to the width between the first sensors.
  • the first shielding part includes a bent strip plate arranged in the groove to connect the side wall and the bottom wall of the groove, and the strip plate includes a plurality of strips extending upward from the bottom wall of the groove.
  • a folding line, along which the strip-shaped board is bent in opposite directions sequentially, and the width of the first shielding portion is the distance between the farthest points on both sides of the strip-shaped board in the width direction.
  • the first shielding part is a straight plate, and the root of the straight plate connecting the sidewall of the groove is widened, and the thickness of the first shielding part is the width of the widened root.
  • the first shielding portion is a plate-shaped structure whose width linearly decreases from the sidewall of the groove extending forward, and the width of the first shielding portion is the width of the widest point of the plate-shaped structure.
  • the width of the first shielding portion located between the first sensors is 1.0-3.0 mm.
  • the electrical interface has a width of 1.0-2.3 mm.
  • the ink cartridge includes a second shielding portion, a second sensor is disposed in the cartridge attachment unit, and the second shielding portion is inserted between the second sensors to be detected.
  • the second shielding portion in the length direction, is located at the rear end of the first shielding portion.
  • the second shielding portion in the height direction, is located below the first shielding portion.
  • the ink cartridge includes an ink outlet, and the ink outlet is located below the first blocking portion.
  • the ink cartridge includes a chip holder, and the chip board is mounted on the chip holder.
  • the first shielding part in the length direction, is located at the rear end of the chip board; when the first shielding part is located at the rear end of the chip board, the distance between the first shielding part and the ink cartridge can be Turn to connect.
  • the first shielding part in the length direction, is located at the front end of the chip board; when the first shielding part is located at the front end of the chip board, the first shielding part is fixedly connected to the ink cartridge or One-piece molding or slip-on connection.
  • the ink cartridge of the present invention increases the width of the first shielding portion, reduces the left and right shaking of the ink cartridge after it is mounted on the printer cartridge attachment unit, and improves the stability of the ink cartridge installation.
  • the width of the first shielding portion By arranging the width of the first shielding portion to be greater than the width of the electrical interface, the risk of the contact pin being damaged after being impacted can also be reduced, thereby improving the usability of the product.
  • FIG. 1 is a perspective view of an ink cartridge according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a box attachment unit according to Embodiment 1 of the present invention.
  • FIG. 3 is a cross-sectional view of a box attachment unit according to Embodiment 1 of the present invention.
  • Fig. 4 is a partial schematic view of the ink cartridge installed in the cartridge attachment unit according to Embodiment 1 of the present invention.
  • FIG. 5 is a front view of the ink cartridge installed in the cartridge attachment unit according to Embodiment 1 of the present invention.
  • FIG. 6 is a partial enlarged schematic view of the ink cartridge according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram of a sensor according to Embodiment 1 of the present invention.
  • FIG. 8 is a perspective view of an ink cartridge according to Embodiment 2 of the present invention.
  • Fig. 9 is a cross-sectional view of the box attachment unit according to the second embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a first sensor according to Embodiment 2 of the present invention.
  • FIG. 11 is a perspective view of a chip board according to Embodiment 2 of the present invention.
  • Fig. 12 is a perspective view of an ink cartridge according to Embodiment 3 of the present invention.
  • Fig. 13 is a perspective view of an ink cartridge according to Embodiment 4 of the present invention.
  • FIG. 14 is a perspective view of an ink cartridge according to Embodiment 5 of the present invention.
  • Fig. 15 is a schematic view of the ink cartridge installed in the cartridge attachment unit according to Embodiment 5 of the present invention.
  • Fig. 16 is a cross-sectional view of the attachment unit of the fifth embodiment of the box of the present invention.
  • FIG. 17 is a schematic diagram of the process of installing the ink cartridge to the cartridge attachment unit according to Embodiment 5 of the present invention.
  • Fig. 18 is a schematic diagram of the ink cartridge installed in place in the cartridge attachment unit according to Embodiment 5 of the present invention.
  • Figure 19 is a schematic diagram of the upper surface of the ink cartridge according to Embodiment 5 of the present invention.
  • Fig. 20 is a schematic diagram of the first shielding part according to Embodiment 5 of the present invention.
  • Fig. 21 is a schematic diagram of a chip board according to Embodiment 5 of the present invention.
  • Fig. 22 is a schematic diagram of the box attachment unit according to the fifth embodiment of the present invention.
  • FIG. 23 is a schematic diagram of an optical sensor according to Embodiment 5 of the present invention.
  • Fig. 24 is a perspective view of an ink cartridge according to Embodiment 6 of the present invention.
  • Fig. 25 is a top view of an ink cartridge according to Embodiment 6 of the present invention.
  • Fig. 26 is a schematic diagram of the first shielding part according to Embodiment 6 of the present invention.
  • Fig. 27 is a schematic diagram of a chip board according to Embodiment 6 of the present invention.
  • Fig. 28 is a schematic diagram of a cartridge attachment unit according to Embodiment 6 of the present invention.
  • Fig. 29 is a schematic diagram of the first sensor according to the sixth embodiment of the present invention.
  • first and second are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as “first” and “second” may explicitly or implicitly include at least one of these features. In the description of the present invention, “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • the terms “installation”, “connection”, “fixation” and other terms should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit.
  • installation can be a fixed connection, a detachable connection, or an integrated ; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit.
  • the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • FIG. 1 is a perspective view of an ink cartridge 1 .
  • the direction in which the ink cartridge 1 is inserted into the cartridge attachment unit 100 will be defined as the insertion direction 51 (also the lengthwise direction of the ink cartridge 1), and the direction opposite to the insertion direction 51, that is, the direction in which the ink cartridge 1 is attached from the cartridge.
  • the direction in which the junction unit 100 is removed is defined as the removal direction 52.
  • the insertion direction 51 and the removal direction 52 are horizontal, this is not a limitation; the insertion direction 51 and the removal direction 52 may not be horizontal.
  • the gravitational direction will be defined as the downward direction 53, and the direction opposite to the gravitational direction will be defined as the upward direction 54 (also the height direction of the ink cartridge 1).
  • Directions orthogonal to the insertion direction 51 and the downward direction 53 will be defined as a right direction 55 and a left direction 56 (also the width direction of the ink cartridge 1 ).
  • the direction extending to the right will be defined as the right direction 55, and the direction extending to the left will be the left direction 56 (ie, the width direction).
  • Insertion direction 51 may be referred to as forward direction 57 and removal direction 52 may be referred to as rearward direction 58 .
  • the ink cartridge 1 is a container for holding ink and has a substantially rectangular parallelepiped shape and has a front surface 10 , an upper surface 11 , a rear surface 12 , a lower surface 13 and side surfaces 14 .
  • the front surface 10 faces in a forward direction 57
  • the rear surface 12 faces in a rearward direction 58
  • the upper surface 11 faces in an upward direction 54
  • the lower surface 13 faces in a downward direction 53
  • the side surface 14 faces in a rightward direction 55 .
  • a chip holder 20 is provided at the junction of the upper surface 11 and the front surface 10, wherein a chip board 21 is installed on the chip holder 20.
  • the chip board 21 is fixed on the chip holder by welding or engaging. 20 on.
  • the chip board 21 is located above the upper surface 11 in the height direction, and the multiple electrical interfaces 210 of the chip board 21 are exposed at positions that can be in contact with the printer. As shown in FIG. 6 , the chip board 21 is provided with four electrical interfaces 210 .
  • the rear end of the chip holder 20 is provided with a light shielding portion 22 (that is, in the longitudinal direction, the light shielding portion 22 is positioned at the rear end of the chip plate 21), the light shielding portion 22 is higher than the upper surface 11 and performs light shielding, and the light shielding portion 22 and the box body 1 can be It is an integrally formed structure, or it can be a split structure, and is fixedly installed on the box body 1 by means of snap-fitting, pasting, welding and the like.
  • the rear end of the light shielding portion 22 is provided with a single prism 23 which also shields light when the ink cartridge 1 is mounted to the cartridge attachment unit 100 of the printer.
  • the single prism 23 attenuates or blocks the propagation of light from the optical sensor in the printer, so that the light receiver on the other side cannot receive light of sufficient intensity, that is, a signal change occurs.
  • An operation portion 24 is provided at the junction of the upper surface 11 and the rear surface 12 , and the operation portion 24 can facilitate the user to operate the ink cartridge 1 . That is, the operation part 24 is located at the end of the upper surface 11 , and the user installs and takes out the ink cartridge 1 through the operation part 24 .
  • the ink outlet 25 of the ink cartridge 1 is disposed on the lower part of the front surface 10 and extends from the front surface 10 in a forward direction 57 .
  • the ink outlet 25 is located below the chip board 21 in the height direction.
  • a stopper 26 Located at the rear of the upper surface 11 of the ink cartridge 1 is provided a stopper 26 for positioning the position in the front-rear direction when the ink cartridge 1 is mounted to the cartridge attachment unit 100 .
  • a guide portion 27 is provided in front of the stopper 26 for guiding the installation of the ink cartridge 1 in the forward direction 57 .
  • FIG. 2 is a state view of the installation of the cartridge attachment unit 100 and the ink cartridge 1
  • FIG. 3 is a cross-sectional view of the cartridge attachment unit 100
  • the cartridge attachment unit 100 is a hollow casing in which four ink cartridges 1 corresponding to cyan, magenta, yellow and black can be installed through the installation opening 101 .
  • the cartridge attachment unit 100 is provided with an ink needle 102 on a face facing the front face 10 of the ink cartridge 1 .
  • a contact pin 104 , a first sensor 105 , a second sensor 106 and a positioning rod 107 are arranged in sequence on the surface facing the upper surface of the ink cartridge 1 .
  • both the first sensor 105 and the second sensor 106 are composed of a pair of optical sensors, one end is an optical transmitter, and the other end is an optical receiver.
  • the first sensor 105 is located in front of the second sensor 106 in the length direction.
  • the positioning rod 107 is a long metal rod in this embodiment.
  • the ink needle 102 is connected to the ink outlet 25 of the ink cartridge 1 to supply ink from the ink cartridge 1 to the printer.
  • the contact pin 104 is in electrical contact with the electrical interface 210 of the chip board 21 to realize the connection of electrical signals, and the printer can read the information stored in the chip board 21 .
  • the single prism 23 is inserted between the second sensors 106, blocks the signal emitted from the second sensor 106 or changes the path of the signal emitted by the second sensor 106, so that the single prism 23 is detected.
  • the positioning lever 107 abuts against the stopper 26 of the ink cartridge 1 for positioning the position of the ink cartridge 1 in the cartridge attachment unit 100 .
  • FIG. 4 is a partial schematic view of the installation of the ink cartridge 1 into the cartridge attachment unit 100 .
  • the ink cartridge 1 is installed in the casing along the insertion direction 51 through the installation port 101 in the cartridge attachment unit 100, at this time at least a part of the upper surface 11 and the lower surface 13 of the ink cartridge 1 will be attached to the cartridge. contact with the inner wall of the junction unit.
  • the positioning rod 107 on the cartridge attachment unit 100 is in contact with the guide portion 27 of the ink cartridge 1, and the ink cartridge 1 is gradually inserted into the cartridge attachment unit along the forward direction 57 by the movement of the guide portion 27 along the positioning rod 107 in the insertion direction 51.
  • the stopper 26 may be disposed in front of the light shielding portion 22 and the single prism 23 .
  • the ink outlet 25 of the ink cartridge 1 is connected to the ink needle 102 of the cartridge attachment unit 100, and the electrical interface 210 of the chip board 21 of the ink cartridge 1 is connected to the ink cartridge 100 of the cartridge attachment unit 100.
  • Contact pins 104 are electrically connected.
  • the first sensor 105 detects the model or type of the ink cartridge 1 due to the change of the electrical signal due to the movement of the light shielding portion 22.
  • the second sensor 106 is blocked by the single prism 23 .
  • the light shielding part 22 is only an implementation form of the first shielding part
  • the single prism 23 is only an implementation form of the second shielding part, which is not limited here.
  • Both sides of the chip holder 20 are provided with positioning protrusions 200 , which can be restricted by the inner walls of both sides of the installation groove of the contact pin 104 to achieve stable contact between the chip 21 and the contact pin 104 .
  • the operating part 24 of the ink cartridge 1 is in the shape of a handle in this embodiment and protrudes outward from the rear surface 12. It is known that the surfaces in this application are not necessarily flat surfaces, and there may be protrusions or depressions. In the present embodiment, the surface of the operation portion 24 facing the rearward direction is also a part of the rear surface 12 .
  • the user installs the ink cartridge into the cartridge attaching unit 100 by pushing the rear surface 12 (operation portion 24 ) of the ink cartridge 1 .
  • At least a part of the operation portion 24 is configured as a depression or a groove, which is convenient for the user to operate with fingers, so that the user can take the ink cartridge 1 out of the cartridge attachment unit 100 .
  • the grooves of the operation part 24 are arranged in the up-down direction, and may also be arranged in the left-right direction according to the actual situation, and some anti-skid lines are provided accordingly, and such designs are not repeated here.
  • FIG. 5 is a front view of the ink cartridge 1 installed in the cartridge attachment unit 100 .
  • FIG. 5 since there is a certain error between the width dimension of the ink cartridge 1 and the inner wall of the installation opening 101 of the cartridge attachment unit 100 of the printer, there is a certain gap d between them. Due to the presence of this gap, when the ink cartridge 1 is mounted in the cartridge attachment unit 100 , shaking of the ink cartridge 1 in the right and left direction may occur.
  • FIG. 6 is a partially enlarged schematic diagram of the ink cartridge 1
  • FIG. 7 is a schematic diagram of the optical sensor.
  • the light-shielding portion 22 is located between the first sensors 105, so by increasing the thickness of the light-shielding plate 220 on the light-shielding portion 22, the ink cartridge 1 can pass through the light-shielding when shaking from side to side occurs.
  • the board 220 and the light emitter 105a and the light receiver 105b of the first sensor 105 are slightly abutted to realize the limitation. Since the light shielding part 22 is close to the chip holder 20 in the insertion direction 51, it can be greatly reduced by positioning the protrusion 200 and the light shielding plate 220. The shaking of the ink cartridge 1 in the left and right direction improves the stability.
  • the thickness of the light shielding plate 220 is set to be larger than the width of the electrical interface 210 of the chip 21, and smaller than the width between the first sensors 105 (the width between the first sensors 105 is the width between the light emitter 105a and the light receiver 105b in the width direction).
  • the width of the electrical interface 210 is 1.0-1.2mm, preferably 1.1mm
  • the width of the shading plate 220 is 1.0-3.0mm, preferably 1.1-1.3mm, preferably 1.22mm
  • the width between the first sensors 105 is 2.8mm.
  • the thickness range of the light shielding plate 220 is between 1.1mm and 2.9mm.
  • the light shielding part 22 may touch the contact pin 104 of the printer cartridge attachment unit 100.
  • the width of the shading portion 22 can be at least in contact with two or more contact pins, sharing the force of the collision and protecting the contact pins from damage.
  • the position settings of the chip board, the first shielding part and the second shielding part of the ink cartridge are different.
  • the upper surface 11 of the ink cartridge 1 is depressed downward near the front surface 10 to form a groove 30
  • the first shielding portion 22 is arranged in the middle of the groove 30 and connects the side wall 301 and the bottom wall 302 of the groove
  • the first shielding portion 22 is a bent strip plate, one end of the strip plate is connected to the side wall 301 of the groove, and the other end is away from the side wall 301 of the groove.
  • the strip is made of sheet material of uniform thickness.
  • the first shielding portion 22 includes a first fold line, a second fold line, and a third fold line extending upward from the bottom wall 302 of the groove, and the strip plate bends in opposite directions along the first, second, and third fold lines. fold.
  • the folding lines may be inclined or curved, and the number of folding lines may be multiple.
  • the bent strip has a leftmost point 22a and a rightmost point 22b.
  • the width of the first shielding part 22 is the distance between the projections of the leftmost point and the rightmost point in the length direction or the height direction, and the distance is greater than the width of the electrical interface 210, specifically, from the leftmost point to the most
  • the distance width of the right point is 1.9-3.0mm, preferably 2.1mm-2.8mm, and the distance between the first sensors (distance between surfaces 105a and 105b) is 2.1-2.8mm.
  • the chip board 21 is fixed on the upper surface 11 and located behind the groove 30 , that is, in the length direction, the first shielding portion 22 is located at the front end of the chip board 21 .
  • the width of the first shielding portion 22 is greater than the width of the chip board electrical interface 210 .
  • the second shielding portion 23 is arranged in the middle of the front surface 10 . In the height direction, the second shielding portion 23 is located below the first shielding portion 22 and is located at the ink outlet. Above, for shielding the second sensor 106 on the cartridge attachment unit so that the ink level in the cartridge can be detected.
  • the first shielding part 22 is a straight plate, and the root portion 301a of the side wall of the straight plate connection groove 30 is widened, and the width after widening is 1.9-3.0mm, preferably 2.1mm-2.9mm, preferably,
  • the width of the first shielding portion 22 is larger than the width of the electrical interface 210 of the chip board, and the width of the electrical interface 210 may be 1.9-2.3 mm, preferably 2.1 mm.
  • the widened first shielding portion 22 can abut against the gap of the first sensor 105 to prevent the ink cartridge 1 in the cartridge attachment unit 100 from shaking left and right.
  • the root widening treatment is beneficial to prevent excessive installation of the ink cartridge and damage to the ink cartridge assembly.
  • the first shielding portion 22 is a plate-shaped structure whose width changes linearly. As shown in FIG. 12 , the first shielding portion 22 extends forward from the inner wall of the groove 30 , and its width gradually decreases, forming a trapezoidal shape. In this embodiment, the width of the widest part of the first shielding portion 22 is 1.9-3.0mm, preferably 2.1mm-2.8mm. Preferably, the width of the first shielding portion 22 is greater than the width of the electrical interface of the chip board. The first shielding portion of this structure can abut against the first sensor, preventing shaking of the ink cartridge in the cartridge attaching portion. At the same time, the root widening treatment is beneficial to prevent excessive installation of the ink cartridge and damage to the ink cartridge assembly.
  • this embodiment provides an ink cartridge 1 .
  • the structures of the first shielding part and the second shielding part are different.
  • the ink cartridge 1 is a container for holding ink and has a substantially rectangular parallelepiped shape with a front surface 10 , an upper surface 11 , a rear surface 12 , a lower surface 13 and two side surfaces 14 .
  • the front surface 10 faces in a forward direction 57
  • the rear surface 12 faces in a rearward direction 58
  • the upper surface 11 faces in an upward direction 54
  • the lower surface 13 faces in a downward direction 53
  • the side surface 14 faces in a rightward direction 55 .
  • a chip mechanism is provided at the junction of the upper surface 11 and the front surface 10 , the chip mechanism includes a chip frame 20 and a chip plate 21 , and the chip plate 21 is installed in the chip frame 20 .
  • the chip board 21 is installed in the chip rack 20 by plugging and engaging.
  • the chip board 21 is located below the upper surface 11 in the direction of gravity, that is, most of the chip board 21 is covered by the chip rack 20 and hidden below, only a plurality of electrical interfaces are exposed, and the plurality of electrical interfaces are in contact with the printer.
  • the rear end of the chip rack 20 is provided with a first shielding portion 22 .
  • the first shielding portion 22 of this embodiment is a movable light shielding portion capable of moving relative to the ink cartridge 1, and the first shielding portion 22 is composed of two first arms 221 with a certain width arranged at an angle.
  • the upper end of the second arm 222 is a light-shielding block, which is the main light-shielding part.
  • An operation block 224 extending perpendicular to the end surface of the first arm 221 is provided at the front end of the first arm 221 .
  • the light shielding block of the second arm 222 of the first shielding portion 22 is higher than the upper surface 11 , and the operating block at one end of the first arm 221 is lower than the upper surface 11 .
  • the operation block 224 at the front end of the first arm 222 of the first shielding part 22 can touch the trigger part 103 of the printer.
  • the light-blocking block moves upward relative to the ink cartridge 1, that is, the light-blocking block whose first shielding portion 22 is higher than the upper surface can also continue to move upward for a certain distance, so as to attenuate or block the first sensor 105 used for installation detection in the printer (i.e. The light emitted by the first optical sensor). That is, the light blocking occurs only after the operation block 224 collides with the trigger part 103 of the printer.
  • a second shielding portion 23 is provided behind the first shielding portion 22.
  • the second shielding portion 23 is a light shielding plate, and the light shielding plate 23 is installed to the cartridge attachment unit 100 of the printer when the ink cartridge 1 is installed.
  • the shading plate 23 is used to attenuate or block the transmission of light from the second sensor 106 in the printer, so that the light receiver on the other side of the second sensor 106 cannot receive light of sufficient intensity, so that the signal changes, and the second sensor 106 is used for ink end detection.
  • An operation part 24 is provided at the intersection of the rear surface 12 and the upper surface 11 , and the operation part 24 can facilitate the user to operate the ink cartridge 1 .
  • the operation part 24 is located at the end of the upper surface 11, and the user installs and takes out the ink cartridge 1 through the operation part 24.
  • the ink outlet 25 of the ink cartridge 1 is disposed on the lower half of the front surface 10 and extends from the front surface 10 in a forward direction 57 .
  • the ink outlet 25 is located below the chip board 21 in the direction of gravity.
  • a stopper 26 Located at the rear of the upper surface 11 of the ink cartridge 1 is provided a stopper 26 , positioning a position in the front-rear direction when the ink cartridge 1 is mounted to the cartridge attachment unit 100 .
  • the front of the stopper 26 is a guide portion 27 , which can guide the installation of the ink cartridge 1 in the forward direction 57 .
  • the cartridge attachment unit 100 is provided with an ink needle 102 and a trigger part 103 on the inner surface opposite to the front surface 10 of the ink cartridge 1 , and the ink needle 102 and the trigger part 103 are distributed up and down.
  • the cartridge attachment unit 100 is on the inner top surface opposite to the upper surface of the ink cartridge 1 .
  • a plurality of stylus 104 , a first sensor 105 , a second sensor 106 and a positioning rod 107 are arranged roughly in sequence from front to back.
  • the second sensor 106 and the first sensor 105 are respectively arranged on a plane, and each second sensor 106 and the first sensor 105 are composed of a group of optical sensors distributed on both sides and separated from each other, preferably Generally, each set of optical sensors includes a light emitter on one side and a light receiver on the other side.
  • the second sensor 106 is located in front of the first sensor 105 in the forward direction 57 .
  • the positioning rod 107 is a long metal rod.
  • the trigger part 103 abuts against the operating block 224 on the first arm 221 of the first shielding part 22 in the ink cartridge 1, so that the first shielding part 22 rotates so that the light shielding block of the second arm 222 moves upward, and the light shielding block of the second arm 222 moves upward. Block the signal sent by the first sensor 105 or change the path of the signal sent by the first sensor 105 .
  • the contact pin 104 is in contact with the chip board 21 of the ink cartridge 1 , and the printer can read the information stored in the chip board 21 through the electrical signal connection between the two.
  • the second sensor 106 is blocked by the second shielding portion 23 of the ink cartridge 1 , thereby blocking the signal sent by the second sensor 106 or changing the path of the signal sent by the second sensor 106 .
  • the positioning lever 107 abuts against the stopper 26 of the ink cartridge 1 for positioning the position of the ink cartridge 1 in the cartridge attachment unit 100 .
  • FIG. 17 is a schematic diagram of the ink cartridge 1 being installed in the cartridge attachment unit 100
  • FIG. 18 is a schematic diagram of the ink cartridge 1 installed in the cartridge attachment unit 100 .
  • the ink cartridge 1 is installed in the housing along the insertion direction 51 through the installation port 101 in the cartridge attachment unit 100, at this moment at least a part of the upper surface 11 and the lower surface 13 of the ink cartridge 1 will be attached to the cartridge attachment unit.
  • the inner wall of 100 is in contact.
  • the positioning lever 107 of the cartridge attachment unit 100 moves to the stopper 26 along the guide portion 27, and abuts against the stopper 26, so that the ink cartridge 1 is installed in the cartridge attachment unit 100. in place.
  • the user can stop pushing the operation part 24 in the insertion direction 51 through the feedback of such abutment.
  • the chip mechanism Due to the chip mechanism, the first shielding portion 22 and the second shielding portion 23 are sequentially disposed on the upper surface 11 along the length direction of the ink cartridge 1 casing. Since the chip mechanism is arranged closer to the front end of the ink cartridge 1 than the first shielding portion 22 and the second shielding portion 23, when the ink cartridge 1 is loaded into the cartridge attachment unit 100, the chip mechanism will sequentially pass through the front end of the installation port 101.
  • the second sensor 106 and the first sensor 105 finally move to a plurality of contact pins 104; the first shielding part 22 will pass the second sensor 106 arranged near the installation port 101 and move to the first sensor 105, and the second shielding part will be Move to the second sensor 106 .
  • the ink outlet 25 of the ink cartridge 1 is connected to the ink needle 102 of the cartridge attachment unit 100, and the electrical interface on the chip board 21 is connected to the ink needle 102 of the cartridge attachment unit 100.
  • a plurality of contact pins 104 provided on the inner top surface of the cartridge attachment unit 100 make contact to transmit electrical signals. After the electrical interface on the chip board 21 is in contact with the contact pin 104, the ink cartridge 1 needs to be pushed into the cartridge attachment unit 100 along the insertion direction 51.
  • the force applied to the ink cartridge 1 will make the chip board 21
  • the electrical interface on the ink cartridge rubs against the contact pin 104 , thus generating debris, and the generated debris will fall toward the first shielding portion 22 and the second shielding portion 23 along the insertion direction 51 under the force applied to the ink cartridge 1 .
  • the operation block 224 on the first arm 221 of the first shielding part 22 abuts against the trigger part 103 of the cartridge attachment unit 100 , and the light shielding block on the second arm 222 of the first shielding part 22 can shield the light of the first sensor 105 signal or change the path of the signal sent by the first sensor 105, so that the main body of the printer can detect the ink cartridge 1 accordingly.
  • the second shielding part 23 can block the signal sent by the second sensor 106 or change the path of the signal sent by the second sensor 106 , so that the main body of the printer can detect the ink cartridge 1 accordingly.
  • the debris generated by the friction between the chip board 21 and the contact pin 104 falls on the second shielding part 23 along the insertion direction 51, and the debris will block the second shielding part 23 or affect the optical path of the second sensor 106, affecting the printer's The detection is disturbed, which reduces the reliability of the printer.
  • Figure 19 is a schematic diagram of the upper surface of the ink cartridge
  • Figure 20 is a schematic diagram of the first shielding part
  • Figure 21 is a schematic diagram of the chip board
  • Figure 23 is a schematic diagram of the optical sensor.
  • a plurality of electrical interfaces are arranged in front of the chip board 21 for electrical contact with a plurality of contact pins 104 , and the width between each contact pin 104 is 1 mm.
  • the four electrical interfaces 21a, 21b, 21c and 21d on the chip board 21 are arranged sequentially at the end of the chip board 21, each electrical interface has a curved surface, and the width of each electrical interface is approximately 0.9- 1.2mm, preferably 1.07mm.
  • the rubbing range of the stylus 104 that may generate debris is roughly in the range of 0-1.2 mm, preferably 0-1.07 mm, and the distance between adjacent styli that generate debris is 1 mm.
  • the distance between the two end faces 105a and 105b of the first sensor 105 that can be inserted by the light-shielding block of the first shielding portion 22 is 2.7-3.1mm, preferably 2.9mm.
  • the first shielding part 22 and the second shielding part 23 are all located above the upper surface 11 in the direction of gravity, that is, higher than the chip board 21, for shielding the second
  • the part of the debris of the shielding part 23 is mainly the width between 22a and 22b on the first shielding part 22, in order to shield at least one contact and the debris generated by the friction of the contact pin 104 and to shield as much as possible falling into the second
  • the width of the first shielding part 22 should be set to be greater than or equal to the width of one contact and less than or equal to the width of the first sensor 105, the width of the first shielding part 22 can be 0.9-3.1mm, preferably,
  • the distance between 22a and 22b is approximately 1.07 mm or more and
  • the width of the first shielding portion 22 is approximately 1.55mm.
  • the first shielding portion 22 of the ink cartridge 1 abuts against the trigger portion 103 of the cartridge attachment unit 100, and the light shielding block of the first shielding portion 22 is displaced upwards.
  • the width structure of the portion enables the first shielding portion 22 to block debris falling towards the second shielding portion 23 . It is ensured that there is no excessive debris in the path between the second shielding portion 23 and the second sensor 106 to ensure the reliability of the printer.
  • This embodiment provides an ink cartridge. Compared with Embodiment 1 to Embodiment 5, the structure of the first shielding part is different.
  • the ink outlet 25 is arranged at the lower half of the front surface
  • the second shielding portion 23 for blocking the second sensor 106 is arranged at the middle position of the front surface 10 of the ink cartridge, and the second The blocking portion 23 is located above the ink outlet 25 .
  • the first shielding portion 22 is arranged at the intersection of the front surface 10 and the upper surface 11, and the first shielding portion 22 is slidably arranged on the ink cartridge 1, that is, the first shielding portion 22 can move back and forth along the upper surface of the ink cartridge 1, and the first shielding portion
  • the structure of 22 is shown in FIG.
  • the first shielding part 22 includes a first part 221 and a second part 222, and the first part 221 and the second part 222 are connected by a connecting part 223 so that the second part 222 is higher than the first part 221.
  • the connecting portion 223 has a positioning column 224 extending along the direction of the second portion 222 , and the positioning column 224 is used for positioning the spring between the first shielding portion 22 and the ink cartridge 1 .
  • the first part 221 is provided with an actuating part 225 under one end close to the connecting part 223 .
  • the end of the first part 221 away from the connecting portion 223 is provided with a light blocking plate in the middle along its axis, and the width of the light blocking plate is characterized by the distance between its two sides 22a, 22b.
  • the light blocking plate is used to block the light emitted by the first sensor 105 .
  • the front end of the first part 221 is also provided with a transverse projection 226 that cooperates with the ink cartridge 1 to slide.
  • a push member 303 is provided below the first shielding portion 22 , the push member 303 is pressed against the ink cartridge through a spring, and the push member 303 is provided with a push portion.
  • the pushing part cooperates with the actuating part 225 to complete the installation of the ink cartridge.
  • the light shielding plate of the first shielding portion 22 is located between the first sensors 105 for shielding the first sensor 105 in the box attachment unit 100 , thereby confirming that the installation is in place.
  • the first shielding portion 22 is located at the front and lower side of the chip board 21, and the light shielding plate of the first shielding portion 22 is located at a more forward position with respect to the chip board 21, so that it can shield Debris generated by the friction between the contact pin and the electrical interface falls to the second sensor 106 or the ink outlet 25, so as to avoid affecting the effects of ink cartridge end detection and fluid connection.
  • the structure of the first shielding portion 22 is shown in FIG.
  • the distance between 22b characterizes.
  • the width of the first sensor 105 is characterized by its two sides 105a, 105b.
  • the chip board 21 is provided with three electrical interfaces respectively 21a, 21b, and 21c, and the width of each electrical interface is roughly 1.7-2.0mm, preferably 1.9mm, which is used for the first step of installation detection.
  • the width of a sensor 105 is 2.6-3.0mm, preferably 2.8mm, and the width of the light blocking plate is 1.7-3.0mm, preferably 1.90mm.
  • the width of the light baffle is set to 1.90013mm greater than the width of the electrical interface 1.9mm, less than the width 2.8mm of the first sensor used for installation detection
  • the width of the first shielding part 22 is greater than or equal to the width of one contact and less than or equal to the width of the first sensor used for installation detection.
  • the condition of the width of the first sensor 105 that is installed and detected, therefore, can make the first shielding part can block the falling debris, and ensure the path between the second shielding part 23 and the second sensor 106 used for ink end detection There is not too much debris in it, which ensures the reliability of the printer.
  • the embodiment of the present invention provides an ink cartridge. Due to the width structure of the first shielding part, debris falling towards the second shielding part can be blocked, and the second shielding part used for ink end detection can be ensured to be shielded.
  • the signal sent by the sensor or the effect of changing the path of the signal sent by the second sensor ensures the reliability of the printer.

Landscapes

  • Ink Jet (AREA)

Abstract

本发明公开一种墨盒，用于沿长度方向安装到打印机的盒附接单元内，盒附接单元内设置有第一传感器和触针，墨盒包括：芯片板，包括至少一个电接口，在墨盒安装完成时电接口与触针电连接；第一遮挡部，插入第一传感器之间被检测；第一遮挡部的宽度大于等于电接口的宽度，第一遮挡部至少部分的宽度小于等于第一传感器之间的宽度。本发明的墨盒增加第一遮挡部的宽度，降低了墨盒安装到打印机盒附接单元后的左右晃动幅度，提高了墨盒安装的稳定性。通过设置第一遮挡部的宽度大于电接口的宽度，也可以减少触针被冲击后被损坏的风险，提高了产品的使用性能。

Description

一种墨盒 技术领域
本发明涉及喷墨打印机技术领域，尤其涉及一种墨盒。
背景技术
现有的墨盒包括壳体，壳体的上设有芯片机构和遮光板。在墨盒安装到位的状态下，芯片机构与触针接触，同时，遮光板对第一光学传感器形成遮挡，从而阻断或者改变第一光学传感器的光路，以使打印机检测墨盒是否安装到位。为了使芯片与触针的接触更加稳定，芯片机构与打印机的安装腔形成一定的限位稳定结构。
然而，由于墨盒的宽度尺寸与打印机的安装腔宽度往往不是严丝合缝，存在一定缝隙，墨盒装入至打印机安装腔后可能会以芯片机构前端的定位部为轴发生左右宽度方向上的晃动，造成墨盒安装的不稳定。
发明内容
根据本发明的一个方面，提供了一种墨盒，用于沿长度方向安装到打印机的盒附接单元内，所述盒附接单元内设置有第一传感器和触针，所述墨盒包括：
芯片板，包括至少一个电接口，在墨盒安装完成时所述电接口与所述触针电连接；
第一遮挡部，插入所述第一传感器之间被检测；
所述第一遮挡部的宽度大于等于所述电接口的宽度，所述第一遮挡部至少部分的宽度小于等于所述第一传感器之间的宽度。
在一些实施方式中，所述第一遮挡部至少一部分的宽度大于等于所述第一传感器之间的宽度。
在一些实施方式中，所述第一遮挡部包括设置在凹槽中连接凹槽侧壁和底壁的弯折的条形板，所述条形板包括多条从凹槽底壁向上延伸的折线，所述条形板沿所述折线依次向相反的方向弯折，所述第一遮挡部的宽度为所述条形板两侧最远点在宽度方向上的距离。
在一些实施方式中，所述第一遮挡部为直板，所述直板连接凹槽侧壁的根部处进行加宽处理，所述第一遮挡部的厚度为加宽根部的宽度。
在一些实施方式中，所述第一遮挡部为从凹槽侧壁向前延伸宽度线性变小的板状结构，所述第一遮挡部的宽度为板状结构最宽处的宽度。
在一些实施方式中，在安装状态下，位于所述第一传感器之间的所述第一遮挡部的宽度为1.0-3.0mm。
在一些实施方式中，所述电接口的宽度为1.0-2.3mm。
在一些实施方式中，所述墨盒包括第二遮挡部，所述盒附接单元内设有第二传感器，所述第二遮挡部用于插入所述第二传感器之间被检测。
在一些实施方式中，在长度方向上，所述第二遮挡部位于所述第一遮挡部的后端。
在一些实施方式中，在高度方向上，所述第二遮挡部位于所述第一遮挡部的下方。
在一些实施方式中，所述墨盒包括出墨口，所述出墨口位于所述第一遮挡部的下方。
在一些实施方式中，所述墨盒包括芯片架，所述芯片板安装在所述芯片架上。
在一些实施方式中，在长度方向上，所述第一遮挡部位于所述芯片板的后端；当第一遮挡部位于所述芯片板的后端时，第一遮挡部与墨盒之间可转动连接。
在一些实施方式中，在长度方向上，所述第一遮挡部位于所述芯片板的前端；当第一遮挡部位于所述芯片板的前端时，第一遮挡部与墨盒之间固定连接或一体成型或滑动连接。
本发明的墨盒增加第一遮挡部的宽度，降低了墨盒安装到打印机盒附接单元后的左右晃动幅度，提高了墨盒安装的稳定性。通过设置第一遮挡部的宽度大于电接口的宽度，也可以减少触针被冲击后被损坏的风险，提高了产品的使用性能。
附图说明
图1为本发明实施例一的墨盒的立体图；
图2为本发明实施例一的盒附接单元的示意图；
图3为本发明实施例一的盒附接单元的剖视图；
图4为本发明实施例一的墨盒安装到盒附接单元中的部分示意图；
图5为本发明实施例一的墨盒安装到盒附接单元中的正视图；
图6为本发明实施例一的墨盒的局部放大示意图；
图7为本发明实施例一的传感器的示意图；
图8为本发明实施例二的墨盒的立体图；
图9为本实用新实施例二的盒附接单元的剖视图；
图10为本发明实施例二的第一传感器的示意图；
图11为本发明实施例二的芯片板的立体图；
图12为本发明实施例三的墨盒的立体图；
图13为本发明实施例四的墨盒的立体图；
图14为本发明实施例五的墨盒的立体图；
图15为本发明实施例五的墨盒安装至盒附接单元内的示意图；
图16本发明盒实施例五的附接单元的剖视图；
图17为本发明实施例五的墨盒安装到盒附接单元过程中的示意图；
图18为本发明实施例五的墨盒在盒附接单元中安装到位的示意图；
图19为本发明实施例五的墨盒上表面示意图；
图20为本发明实施例五的第一遮挡部示意图；
图21为本发明实施例五的芯片板示意图；
图22为本发明实施例五的盒附接单元示意图；
图23为本发明实施例五的光学传感器示意图；
图24为本发明实施例六的墨盒的立体图；
图25为本发明实施例六的墨盒的俯视图；
图26为本发明实施例六的第一遮挡部的示意图；
图27为本发明实施例六的芯片板示意图；
图28为本发明实施例六的盒附接单元的示意图；
图29为本发明实施例六的第一传感器示意图。
具体实施方式
下面结合附图对本发明作进一步详细的说明，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。
需要说明的是，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接 接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在以上描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
实施例一
参考图1，图1是墨盒1的立体图。如图1所示，将墨盒1插入到盒附接单元100中的方向将被定义为插入方向51(也是墨盒1的长度方向)，并且与插入方向51相反的方向，即将墨盒1从盒附接单元100移除的方向被定义为移除方向52。尽管在该实施方式中，插入方向51和移除方向52是水平的，但这不是限制；插入方向51和移除方向52可以不是水平的。重力方向将被定义为向下方向53，与重力方向相反的方向将被定义为向上方向54(也是墨盒1的高度方向)。与插入方向51和向下方向53正交的方向将被定义为右方向55和左方向56(也是墨盒1的宽度方向)。具体而言，在将墨盒1已经插入到盒附接单元100中的附接位置的状态(也即安装状态)下，即墨盒1处于附接取向的状态下，当在移除方向52上观察墨盒1时，向右延伸的方向将被定义在右方向55上，并且向左延伸的方向将是左方向56(也即宽度方向)。插入方向51可以被称为向前方向57，并且移除方向52可以被称为向后方向58。
墨盒1为保持墨水的容器，呈大致长方体的形状，其具有前表面10，上表面11，后表面12，下表面13以及侧表面14。前表面10朝向向前方向57，后表面12朝向向后方向58，上表面11朝向向上方向54，下表面13朝向向下方向53，侧表面14朝向右方向55。具体地，在上表面11与前表面10的交界处设置有芯片架20，其中芯片架20上安装有芯片板21，本实施方式中，芯片板21通过焊接或卡合的方式固定在芯片架20上。因此，芯片板21在高度方向上位于上表面11的上方，芯片板21的多个电接口210暴露在可以与打印机接触的位置，如图6所示，芯片板21设有四个电接口210。芯片架20的后端设置有一遮光部22(即在长度方向上，遮光部22位于芯片板21的后端)，遮光部22高于上表面11并进行遮光，遮光部22与盒体1可以是一体成型结构，也可以是分体结构，通过卡合、粘贴、焊接等方式固定安装在盒体1上。沿长度方向， 遮光部22的后端设置有一单棱镜23，单棱镜23同样是在墨盒1安装至打印机的盒附接单元100时进行挡光。具体地，单棱镜23衰减或阻挡了打印机中光学传感器光线的传播，使另一面的光接收器无法接收到足够强度的光线，即发生信号的变化。在上表面11与后表面12的交界处设置有一操作部24，该操作部24能够方便用户对于墨盒1的操作。即操作部24位于上表面11的末端，用户通过该操作部24对墨盒1进行安装和取出。墨盒1的出墨口25设置在前表面10下部并从前表面10向向前方向57延伸。本实施方式中，出墨口25在高度方向上位于芯片板21的下方。位于墨盒1上表面11的后方设置有止档件26，用于定位墨盒1安装到盒附接单元100时的前后方向的位置。止档件26的前方设有引导部27，用于引导墨盒1在向前方向57上的安装。
参考图2和图3，图2是盒附接单元100及墨盒1的安装的状态图，图3是盒附接单元100的剖视图。盒附接单元100为一中空壳体，可通过安装口101在壳体中安装青色、品红色、黄色和黑色对应的四个墨盒1。盒附接单元100面向墨盒1前表面10的面上设有墨针102。面向墨盒1上表面的面上依次设有触针104、第一传感器105、第二传感器106及定位杆107。其中，第一传感器105和第二传感器106均是由一对光学传感器组成，一端为光发射器，一端为光接收器。第一传感器105在长度方向上位于第二传感器106的前方。定位杆107在本实施方式中为一金属长杆。
当墨盒1附接到盒附接单元100时，墨针102与墨盒1的出墨口25连接实现墨盒1向打印机的供墨。触针104与芯片板21的电接口210实现电接触，实现电信号的连接，打印机可以读取芯片板21中所存储的信息。在附接状态下，单棱镜23插入第二传感器106之间，遮挡第二传感器106中发出的信号或改变第二传感器106发出的信号的路径，从而使单棱镜23被检测。同时，定位杆107与墨盒1的止档件26抵接，用于定位墨盒1在盒附接单元100中的位置。
参考图4，图4为墨盒1安装到盒附接单元100中的部分示意图。如图2‐4所示，墨盒1通过盒附接单元100中的安装口101沿插入方向51安装到壳体中，此时墨盒1的上表面11和下表面13的至少一部分将与盒附接单元的内壁接触。盒附接单元100上的定位杆107与墨盒1的引导部27接触，墨盒1通过引导部27沿着定位杆107在插入方向51上的移动，逐渐沿着向前方向57向盒附接单元100移动至止档件26处，当与止档件26发生抵接时，墨盒1在盒附接单元100中安装到位，用户可通过此种抵接的反馈停止继续向插入方向51推压操作部24。可选择地，止档件26可设置在遮光部22及单棱镜23的前方。
当墨盒1在盒附接单元100中安装到位时，墨盒1的出墨口25与盒附接单元100的墨针102发生连接，墨盒1芯片板21的电接口210与盒附接单元100的触针104发生电连接。第一传感器105由于遮光部22的运动发生电信号的变 化，从而检测墨盒1的型号或类型。当墨盒1安装到位时，第二传感器106被单棱镜23遮挡。本实施方式中，遮光部22仅为第一遮挡部的一种实施形式，单棱镜23仅为第二遮挡部的一种实施形式，在此不做限制。
芯片架20的两侧设置有定位突起200，可以被触针104的安装凹槽的两侧内壁限制以实现芯片21与触针104的稳定接触。
墨盒1的操作部24在本实施方式中为把手形状，从后表面12向外突出，可以知道的是本申请中各表面并不一定为平坦表面，可能存在突起或凹陷。本实施方式中，操作部24朝向向后方向的表面也为后表面12的一部分。用户通过推动墨盒1的后表面12(操作部24)将墨盒安装到盒附接单元100中。操作部24的至少一部分会设置成凹陷或凹槽，方便用户手指的操作，以便用户将墨盒1从盒附接单元100中取出。本实施方式中操作部24的凹槽设置在上下方向上，根据实际情况也可设置在左右方向上，以及相应的设置一些防滑纹等，此类设计在此不做赘述。
参考图5，图5为墨盒1安装到盒附接单元100中的正视图。如图5所示，由于墨盒1的宽度尺寸与打印机的盒附接单元100的安装口101的内壁间宽度存在一定误差，因此两者之间会存在一定的间隙d。由于该间隙的存在，墨盒1安装在盒附接单元100中时，可能会发生墨盒1在左右方向上的晃动。
参考图6和图7，图6为墨盒1的局部放大示意图，图7为光学传感器示意图。当墨盒1安装到盒附接单元100中时，遮光部22位于第一传感器105之间，因此可以通过增大遮光部22上遮光板220的厚度，使墨盒1在发生左右晃动时，通过遮光板220和第一传感器105的光发射器105a、光接收器105b的轻微抵接实现限制，由于遮光部22在插入方向51上靠近芯片架20，因此通过定位突起200与遮光板220可以大幅降低墨盒1左右方向上的晃动，提升稳定性。
优选地，本实施方式中遮光板220的厚度设置成大于芯片21电接口210的宽度，小于第一传感器105之间的宽度(第一传感器105之间的宽度为光发射器105a与光接收器105b在宽度方向上的距离)。本实施方式中，电接口210的宽度为1.0‐1.2mm，优选1.1mm，遮光板220的宽度为1.0‐3.0mm，优选1.1‐1.3mm，优选1.22mm，第一传感器105间的宽度为2.8‐3.0mm，优选2.9mm，当不改变电接口210与第一传感器105之间宽度情况下，遮光板220的厚度范围即为1.1mm～2.9mm之间。同时，当安装过程中由于前端或抵挡件损坏时，随着墨盒1安装的深入，遮光部22可能触碰打印机盒附接单元100的触针104，通过设置遮光板220的宽度大于电接口210的宽度，使遮光部22可以至少与2个或以上触针接触，分摊了碰撞的力度，保护触针不受损坏。
实施例二
如图8‐11所示，与实施方式一相比，墨盒的芯片板、第一遮挡部和第二遮挡部的位置设置不同。如图8所示，墨盒1的上表面11靠近前表面10处向下凹陷，形成凹槽30，第一遮挡部22设置在凹槽30中部并连接凹槽的侧壁301及底壁302，第一遮挡部22为弯折的条形板，条形板的一端连接凹槽的侧壁301，另一端远离凹槽的侧壁301。该条形板由厚度均匀的板材制成。图8中，第一遮挡部22包括从凹槽的底壁302向上延伸的第一折线、第二折线及第三折线，条形板沿第一、第二、第三折线依次向相反方向弯折。本实施方式中，折线可以倾斜的或弯曲的，折线数量可以为多条。弯折的条形板具有最左边的点22a及最右边的点22b。该实施方式中第一遮挡部22的宽度为该最左边点及最右边点在长度方向或高度方向上的投影间的距离，该距离大于电接口210的宽度，具体地，最左边点到最右边点的距离宽度为1.9‐3.0mm，优选2.1mm‐2.8mm，第一传感器间的距离(面105a与105b间的距离)为2.1‐2.8mm。芯片板21固定在上表面11上并位于凹槽30的后方，即在长度方向上，第一遮挡部22位于芯片板21的前端。当墨盒1从安装方向插入盒附接单元100时，第一遮挡部22插入第一传感器105的间隙时，由于第一遮挡部22的宽度(即最左边点到最右边点的距离)匹配第一传感器105的宽度，因此，能有效降低在安装状态下墨盒的晃动。特别地，第一遮挡部22的宽度大于芯片板电接口210的宽度。
如图8和图9所示，本实施方式中，第二遮挡部23设置于前表面10中部，在高度方向上，第二遮挡部23位于第一遮挡部22的下方，且位于出墨口上方，用于遮挡盒附接单元上的第二传感器106，从而可以检测墨盒中的墨量。
实施例三
如图12所示，本实施方式中除第一遮挡部的结构外，其他结构与实施方式二基本相同。本实施方式中第一遮挡部22为直板，在该直板连接凹槽30侧壁的根部处301a进行加宽处理，加宽后宽度为1.9‐3.0mm，优选2.1mm‐2.9mm，优选地，第一遮挡部22的宽度大于芯片板电接口210的宽度，电接口210的宽度可选为1.9‐2.3mm，优选2.1mm。加宽后的第一遮挡部22能够抵接第一传感器105的间隙，避免盒附接单元100中的墨盒1左右晃动。同时，根部加宽处理有利于防止墨盒安装过度、损坏墨盒组件。
实施例四
如图13所示，本实施方式中除第一遮挡部的结构外，其他结构与实施方式二基本相同。本实施方式中第一遮挡部22为宽度线性变化的板状结构，如图12所示，第一遮挡部22从凹槽30内壁向前延伸，并且宽度逐渐缩小，呈梯形状。本实施方式中，第一遮挡部22最宽处宽度为1.9‐3.0mm，优选2.1mm‐2.8mm， 优选地，第一遮挡部22的宽度大于芯片板电接口的宽度。该结构的第一遮挡部能够抵接第一传感器，避免盒附接部中墨盒的晃动。同时，根部加宽处理有利于防止墨盒安装过度、损坏墨盒组件。
实施例五
如图14所示，本实施例提供一种墨盒1，与实施例一至实施例四相比，第一遮挡部和第二遮挡部的结构不同。
如图14和图15所示，墨盒1为保持墨水的容器，呈大致长方体的形状，其具有前表面10，上表面11，后表面12，下表面13以及两个侧表面14。前表面10朝向向前方向57，后表面12朝向向后方向58，上表面11朝向向上方向54，下表面13朝向向下方向53，侧表面14朝向右方向55。具体地，在上表面11与前表面10的交界处设置有芯片机构，芯片机构包括芯片架20和芯片板21，芯片板21安装在芯片架20内。本实施例中，芯片板21通过插接卡合的方式安装在芯片架20内。芯片板21在重力方向上位于上表面11的下方，即芯片板21的大部分被芯片架20所覆盖，隐藏在下方，仅多个电接口暴露在外，多个电接口与打印机接触。芯片架20的后端设置有第一遮挡部22。具体地，如图20所示，本实施例的第一遮挡部22为能够相对于墨盒1运动的活动遮光部，第一遮挡部22由两个呈角度布置的具有一定宽度的第一臂221和第二臂222相交而成，相交处设有转轴223，通过转轴223转动设置于墨盒1上，使得第一遮挡部22可绕转轴223转动，从而使第二臂222的端部上下运动，第二臂222的上端为遮光块，该遮光块为主要的遮光部分。在第一臂221前端部设有垂直于第一臂221端面延伸的操作块224。在墨盒未安装状态时，第一遮挡部22的第二臂222的遮光块高于上表面11，第一臂221一端的操作块低于上表面11。第一遮挡部22第一臂222前端部的操作块224可与打印机触发部103发生触碰，在触发部103的作用下，第一遮挡部22绕转轴223转动，从而使第二臂222的挡光块相对于墨盒1向上移，即第一遮挡部22高于上表面的挡光块还可继续向上位移一段距离，以达到衰减或阻挡打印机中用于安装检测的第一传感器105(即第一光学传感器)发出的光。即，只有操作块224与打印机的触发部103发生碰撞后才发生挡光。
在长度方向上，第一遮挡部22的后方设置有第二遮挡部23，本实施例中，第二遮挡部23为遮光板，遮光板23在墨盒1安装至打印机的盒附接单元100时进行挡光。具体地，该遮光板23用于衰减或阻挡打印机中第二传感器106光线的传播，使第二传感器106位于另一面的光接收器无法接收到足够强度的光线，使信号发生变化，第二传感器106用于墨尽检测。在后表面12与上表面11相交的位置处设置一操作部24，该操作部24能够方便用户对墨盒1的操作。即 操作部24位于上表面11的末端，用户通过该操作部24对墨盒1进行安装和取出。墨盒1的出墨口25设置在前表面10的下半部分并从前表面10向向前方向57延伸。本实施例中，出墨口25在重力方向上位于芯片板21的下方。位于墨盒1上表面11的后方设置有止档件26，在墨盒1安装到盒附接单元100时定位前后方向的位置。止档件26的前方为引导部27，可引导墨盒1在向前方向57上的安装。
盒附接单元100在与墨盒1前表面10相对的内侧面设置有墨针102、触发部103，墨针102、触发部103呈上下分布。盒附接单元100与墨盒1上表面相对的内顶面上。如图16、22所示，大致从前至后依次设置有多个触针104、第一传感器105、第二传感器106以及定位杆107。如图23所示，第二传感器106和第一传感器105分别设置在一平面上，每个第二传感器106和第一传感器105由分布在两侧并相互隔开的一组光学传感器组成，优选地，每组光学传感器包括一侧光发射器及另一侧的光接收器。第二传感器106在向前方向57上位于第一传感器105的前方。定位杆107为一金属长杆，当墨盒1附接在盒附接单元100中时，墨针102与墨盒1的出墨口25连接实现墨盒1向打印机的供墨。触发部103抵接墨盒1中第一遮挡部22的第一臂221上的操作块224，使第一遮挡部22转动从而使第二臂222的遮光块向上移，第二臂222的遮光块遮挡第一传感器105发出的信号或改变第一传感器105发出的信号的路径。触针104与墨盒1的芯片板21接触，通过两者电信号的连接使打印机可读取芯片板21中所存储的信息。在附接状态时，第二传感器106被墨盒1的第二遮挡部23遮挡，从而遮挡第二传感器106发出的信号或改变第二传感器106发出的信号的路径。定位杆107与墨盒1的止档件26抵接，用于定位墨盒1在盒附接单元100中的位置。
参考图17和图18，图17为墨盒1安装到盒附接单元100过程中的示意图，图18为墨盒1在盒附接单元100中安装到位的示意图。如图17所示，墨盒1通过盒附接单元100中的安装口101沿插入方向51安装到壳体中，此时墨盒1的上表面11和下表面13的至少一部分将与盒附接单元100的内壁接触。随着墨盒1的插入，盒附接单元100的定位杆107沿着引导部27运动至止档件26处，与止档件26发生抵接，从而使墨盒1在盒附接单元100中安装到位。用户可通过此种抵接的反馈停止继续向插入方向51推压操作部24。由于芯片机构、第一遮挡部22与第二遮挡部23沿墨盒1壳体的长度方向依次设置在上表面11上。由于芯片机构相对于第一遮挡部22与第二遮挡部23更靠近墨盒1的前端设置，在墨盒1装入盒附接单元100内的过程中，芯片机构会依次经过靠近安装口101设置的第二传感器106和第一传感器105，最后移动至多个触针104处；第一遮挡部22会经过靠近安装口101设置的第二传感器106并移动至第一 传感器105处，同时第二遮挡部会移动至第二传感器106处。
如图18所示，在墨盒1在盒附接单元100内安装到位的状态下，墨盒1的出墨口25与盒附接单元100的墨针102发生连接，芯片板21上的电接口与设置在盒附接单元100内顶面的多个触针104接触，传递电信号。在芯片板21上的电接口与触针104接触后，还需将墨盒1再沿插入方向51向盒附接单元100内推动，此时，施加在墨盒1上的力，会使得芯片板21上的电接口与触针104发生摩擦，因此产生碎屑，且产生的碎屑会受到施加在墨盒1上的力沿插入方向51向第一遮挡部22和第二遮挡部23落去。第一遮挡部22的第一臂221上的操作块224与盒附接单元100的触发部103发生抵接，第一遮挡部22第二臂222上的遮光块能够遮挡第一传感器105的光信号或改变第一传感器105发出的信号的路径，从而使打印机主体能够对墨盒1进行相应检测。第二遮挡部23能够遮挡第二传感器106发出的信号或改变第二传感器106发出的信号的路径，从而使打印机主体能够对墨盒1进行相应检测。芯片板21与触针104摩擦产生的碎屑，沿着插入方向51落在第二遮挡部23上，碎屑会对第二遮挡部23形成遮挡或影响第二传感器106的光路，对打印机的检测产生干扰，降低了打印机使用的可靠性。
参照图19、图20、图21和图23，图19为墨盒上表面示意图，图20为第一遮挡部22示意图，图21为芯片板21示意图，图23为光学传感器示意图。
芯片板21前方设置多个电接口，用于与多个触针104电接触，每个触针104之间的宽度为1mm。如图21所示，芯片板21上4个电接口21a、21b、21c和21d依次排列于芯片板21的端部，每个电接口具有弧形面，每个电接口的宽度大致为0.9‐1.2mm，优选1.07mm。触针104受摩擦可能产生碎屑的范围大致在0‐1.2mm的范围内，优选0‐1.07mm之间，相邻触针产生碎屑的距离为1mm。第一传感器105两端面105a和105b之间可被第一遮挡部22的遮光块插入的距离宽度为2.7‐3.1mm，优选2.9mm。在墨盒1安装到盒附接单元100中时，在重力方向上第一遮挡部22和第二遮挡部23均位于上表面11的上方，即高于芯片板21，用于遮挡落入第二遮挡部23碎屑的部分主要是第一遮挡部22上22a与22b之间的宽度，为了至少遮挡住一个触点与触针104摩擦产生的碎屑并且尽可能多地遮挡住落入第二遮挡部23的碎屑，第一遮挡部22的宽度应设置为大于等于一个触点的宽度小于等于第一传感器105的宽度，第一遮挡部22的宽度可以是0.9‐3.1mm，优选地，22a与22b之间的距离大于等于大致1.07mm小于等于2.9mm。优选地，第一遮挡部22的宽度为大致1.55mm。在墨盒1安装到盒附接单元100过程中，墨盒1的第一遮挡部22与盒附接单元100的触发部103发生抵接，第一遮挡部22的遮光块向上位移，由于第一遮挡部的宽度结构，使得第一遮挡部22能够将向第二遮挡部23落去的碎屑挡下。确保第二遮挡部23 与第二传感器106之间的路径中不存在过多碎屑，保证打印机使用的可靠性。
实施例六
本实施例提供一种墨盒，与实施例一至实施例五相比，第一遮挡部的结构不同。
本实施例中，如图24所示，出墨口25设于前表面的下半部，用于遮挡第二传感器106的第二遮挡部23设于墨盒前表面10的中间位置，并且第二遮挡部23位于出墨口25的上方。第一遮挡部22设置在前表面10与上表面11相交处，且第一遮挡部22滑动设置于墨盒1上，即第一遮挡部22可以沿墨盒1的上表面前后运动，第一遮挡部22的结构如图26所示，第一遮挡部22包括第一部分221和第二部分222，第一部分221和第二部分222通过连接部223连接成第二部分222比第一部分221高的状态。连接部223沿第二部分222的方向延伸有定位柱224，定位柱224用于定位第一遮挡部22与墨盒1之间的弹簧。第一部分221在靠近连接部223的一端下方设置有促动部225。第一部分221远离连接部223一端沿其轴线在中间部分设置有挡光板，挡光板具有的宽度由其两侧面22a、22b间的距离表征。挡光板用于阻挡第一传感器105发出的光。第一部分221的前端部还设有与墨盒1配合滑动的横向凸起226。
如图24所示，在第一遮挡部22的下方设有推动部件303，推动部件303通过弹簧与墨盒相抵，推动部件303设有推动部。推动部与促动部225配合完成墨盒的安装。
如图29所示，安装状态时，第一遮挡部22的挡光板位于第一传感器105之间，用于遮挡盒附接单元100中的第一传感器105，从而确认安装到位。在将墨盒安装到盒附接单元100时，第一遮挡部22位于芯片板21的前下方，并且相对于芯片板21，第一遮挡部22的挡光板位于更前方的位置，因此，可遮挡由于触针与电接口摩擦产生的碎屑掉落至第二传感器106或出墨口25，避免影响墨盒墨尽检测和流体连接的效果。
如图25至图29所示，本实施例中，第一遮挡部22的结构如图26所示，第一遮挡部22的前端部设置有挡光板，挡光板的宽度由其两侧面22a、22b之间的距离表征。第一传感器105的的宽度由其两侧面105a、105b表征。如图25和图27所示，芯片板21上设置有3个电接口分别为21a、21b、21c，每个电接口的宽度大致为1.7‐2.0mm，优选1.9mm，用于安装检测的第一传感器105的宽度2.6‐3.0mm，优选2.8mm，挡光板的宽度为1.7‐3.0mm，优选1.90mm。由于挡光板的宽度设置为1.90013mm大于电接口的宽度1.9mm，小于用于安装检测的第一传感器的宽度2.8mm，满足第一遮挡部22的宽度大于等于一个触点的宽度小于等于用于安装检测的第一传感器105的宽度的条件，因而，能使得第 一遮挡部能够将落下的碎屑挡下，确保第二遮挡部23与用于墨尽检测的第二传感器106之间的路径中不存在过多碎屑，保证打印机使用的可靠性。
综上，本发明实施例提供一种墨盒，由于第一遮挡部的宽度结构，能够将向第二遮挡部落去的碎屑挡下，能够确保第二遮挡部遮挡用于墨尽检测的第二传感器发出的信号或改变该第二传感器发出的信号的路径的效果，保证打印机使用的可靠性。
以上所述的仅是本发明的一些实施方式。对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (14)

  1. 一种墨盒，用于沿长度方向安装到打印机的盒附接单元内，所述盒附接单元内设置有第一传感器和触针，其特征在于，所述墨盒包括：
    芯片板，包括至少一个电接口，在墨盒安装完成时所述电接口与所述触针电连接；
    第一遮挡部，插入所述第一传感器之间被检测；
    所述第一遮挡部的宽度大于等于所述电接口的宽度，所述第一遮挡部至少部分的宽度小于等于所述第一传感器之间的宽度。
  2. 根据权利要求1所述的墨盒，其特征在于，所述第一遮挡部至少一部分的宽度大于等于所述第一传感器之间的宽度。
  3. 根据权利要求1所述的墨盒，其特征在于，所述第一遮挡部包括设置在凹槽中连接凹槽侧壁和底壁的弯折的条形板，所述条形板包括多条从凹槽底壁向上延伸的折线，所述条形板沿所述折线依次向相反的方向弯折，所述第一遮挡部的宽度为所述条形板两侧最远点在宽度方向上的距离。
  4. 根据权利要求2所述的墨盒，其特征在于，所述第一遮挡部为直板，所述直板连接凹槽侧壁的根部处进行加宽处理，所述第一遮挡部的厚度为加宽根部的宽度。
  5. 根据权利要求2所述的墨盒，其特征在于，所述第一遮挡部为从凹槽侧壁向前延伸宽度线性变小的板状结构，所述第一遮挡部的宽度为板状结构最宽处的宽度。
  6. 根据权利要求1-5任一项所述的墨盒，其特征在于，在安装状态下，位于所述第一传感器之间的所述第一遮挡部的宽度为1.0-3.0mm。
  7. 根据权利要求6所述的墨盒，其特征在于，所述电接口的宽度为1.0-2.3mm。
  8. 根据权利要求6所述的墨盒，其特征在于，所述墨盒包括第二遮挡部，所述盒附接单元内设有第二传感器，所述第二遮挡部用于插入所述第二传感器之间被检测。
  9. 根据权利要求8所述的墨盒，其特征在于，在长度方向上，所述第二遮挡部位于所述第一遮挡部的后端。
  10. 根据权利要求8所述的墨盒，其特征在于，在高度方向上，所述第二遮挡部位于所述第一遮挡部的下方。
  11. 根据权利要求1所述的墨盒，其特征在于，所述墨盒包括出墨口，所述出墨口位于所述第一遮挡部的下方。
  12. 根据权利要求1所述墨盒，其特征在于，所述墨盒包括芯片架，所述芯片板安装在所述芯片架上。
  13. 根据权利要求1-5、7-12任一项所述的墨盒，其特征在于，在长度方向上，所述第一遮挡部位于所述芯片板的后端；当第一遮挡部位于所述芯片板的后端时，第一遮挡部与墨盒之间可转动连接。
  14. 根据权利要求1-5、7-12任一项所述的墨盒，其特征在于，在长度方向上，所述第一遮挡部位于所述芯片板的前端；当第一遮挡部位于所述芯片板的前端时，第一遮挡部与墨盒之间固定连接或一体成型或滑动连接。
PCT/CN2022/126664 2021-11-25 2022-10-21 一种墨盒 WO2023093400A1 (zh)

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CN217396024U (zh) * 2021-11-26 2022-09-09 珠海纳思达企业管理有限公司 一种墨盒
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EP3437876A1 (en) * 2017-07-31 2019-02-06 Brother Kogyo Kabushiki Kaisha Printing-fluid cartridge, set of printing-fluid cartridges, and system including the printing-fluid cartridge and printing-fluid consuming apparatus
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CN212708581U (zh) * 2020-06-23 2021-03-16 珠海纳思达企业管理有限公司 墨盒和打印机
CN112848689A (zh) * 2021-01-27 2021-05-28 珠海纳思达企业管理有限公司 墨盒和打印设备
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