JP2016064532A - Liquid supply unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technology that secures the stability of attachment of a liquid supply unit to a liquid jet device.SOLUTION: A cartridge 10 may be attached to a holder part 50 attached to a carriage of a printer. The cartridge 10 includes: a first ink supply port 24a; a second ink supply port 24b; a groove part 25; and a film-like member 40. The groove part 25 is formed between the first ink supply port 24a and the second ink supply port 24b and may house a division wall 62 protruding further than a first ink introduction part 61a and a second ink introduction part 61b of the holder part 50 in between the respective ink introduction parts 61a, 61b. The film-like member 40 is disposed at an opening part of the groove part 25 on a bottom surface 11 of the cartridge 10.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a liquid supply unit.

  As one mode of the liquid supply unit, an ink cartridge (hereinafter also simply referred to as “cartridge”) is known. The cartridge is detachably attached to a carriage of an ink jet printer (hereinafter, also simply referred to as “printer”) which is an embodiment of the liquid ejecting apparatus (for example, Patent Document 1 below).

JP-A-10-286972

  In the technique of Patent Document 1, a groove is provided on the bottom surface of an ink tank corresponding to a cartridge. When the ink tank is attached to the carriage holder, the rib of the holder is accommodated in the groove. If a foreign object that is not scheduled to enter the groove of the ink tank enters, there is a possibility that the mounting stability of the ink tank to the holder is impaired by the foreign object. In Patent Document 1, no consideration is given to suppressing a decrease in mounting stability due to the entry of such foreign matter. Conventionally, it has been desired for cartridges to ensure mounting stability with respect to a printer.

  The present invention is not limited to an ink cartridge, and has been made to solve the above-described problems in at least a liquid supply unit mounted on a liquid ejecting apparatus, and can be realized as the following modes.

[1] According to the first aspect of the present invention, a liquid supply unit is provided. The liquid supply unit is located between the first liquid introduction unit and the second liquid introduction unit, the first liquid introduction unit and the second liquid introduction unit capable of introducing liquid, and the first liquid introduction unit. And a protrusion that protrudes from the second liquid introduction part, and may be attachable to the liquid ejecting apparatus, and includes a first liquid supply part, a second liquid supply part, a space forming part, and an arrangement member. And may be provided. The first liquid supply unit may be capable of contacting the first liquid introduction unit. The second liquid supply unit may be able to contact the second liquid introduction unit. The space forming unit may be provided between the first liquid supply unit and the second liquid supply unit, and may form a space in which the protrusion can be inserted. The arrangement member may be arranged at a position that overlaps at least a part of the space when viewed in the insertion direction of the protrusion into the space. According to the liquid supply unit of this form, the disposing member suppresses an unexpected foreign object from entering the space in which the protruding portion is inserted. Therefore, the mounting stability of the liquid supply unit with respect to the liquid ejecting apparatus is improved.

[2] In the liquid supply unit of the above aspect, the arrangement member may include a portion that is pushed into the space by the protrusion when the liquid supply unit is attached to the liquid ejecting apparatus. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit with respect to the liquid ejecting apparatus is simplified. In addition, the mounting stability of the liquid supply unit with respect to the liquid ejecting apparatus is enhanced by the arrangement member pushed into the space.

[3] The liquid supply unit of the above aspect may further include an elastic member that is arranged in the space and supports the arrangement member while urging the arrangement member in the insertion direction of the protrusion. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit to the liquid ejecting apparatus can be further simplified while enhancing the effect of suppressing the entry of foreign matter into the space.

[4] In the liquid supply unit of the above aspect, the arrangement member may be a film-like member that is broken by the protrusion when the liquid supply unit is attached to the liquid ejecting apparatus. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit to the liquid ejecting apparatus can be further simplified while enhancing the effect of suppressing the entry of foreign matter into the space.

[5] In the liquid supply unit of the above aspect, the arrangement member is accommodated in the space, and is pressed by the protrusion when the liquid supply unit is mounted on the liquid ejecting apparatus. , You may move to a deep position in the space. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit to the liquid ejecting apparatus can be further simplified while enhancing the effect of suppressing the entry of foreign matter into the space.

[6] In the liquid supply unit of the above aspect, the arrangement member may be a film-like member arranged to be peelable from the liquid supply unit. According to the liquid supply unit of this form, entry of foreign matter into the space is suppressed by the arrangement member. Further, the arrangement member can be removed when the liquid supply unit is attached to the liquid ejecting apparatus.

[7] In the liquid supply unit of the above aspect, the arrangement member may be a lid member that is detachably attached to the entrance of the space. According to the liquid supply unit of this form, entry of foreign matter into the space is suppressed by the arrangement member. Further, the arrangement member can be removed when the liquid supply unit is attached to the liquid ejecting apparatus.

[8] In the liquid supply unit of the above aspect, the arrangement member may be a member fitted in the space in a state where the arrangement member can be taken out from the space. According to the liquid supply unit of this form, entry of foreign matter into the space is suppressed by the arrangement member. Further, the arrangement member can be removed when the liquid supply unit is attached to the liquid ejecting apparatus.

[9] According to the second aspect of the present invention, a liquid supply unit is provided. The liquid supply unit is located between the first liquid introduction unit, the second liquid introduction unit, the third liquid introduction unit, and the first liquid introduction unit and the second liquid introduction unit that can introduce liquid. In addition, the liquid ejecting apparatus may include a first liquid supply unit, a second liquid supply unit, and a second liquid supply unit. The third liquid supply unit, the space forming unit, and the arrangement member may be provided. The first liquid supply unit may be capable of contacting the first liquid introduction unit. The second liquid supply unit may be able to contact the second liquid introduction unit. The third liquid supply unit may be able to contact the second liquid introduction unit. The space forming unit may be provided between the first liquid supply unit and the second liquid supply unit, and may form a space in which the protrusion can be inserted. The arrangement member may be arranged at a position that overlaps at least a part of the space when viewed in the insertion direction of the protrusion into the space. According to the liquid supply unit of this aspect, the arrangement member suppresses foreign matter from entering the space in which the protruding portion is inserted. Therefore, the mounting stability of the liquid supply unit with respect to the liquid ejecting apparatus is improved.

[10] In the liquid supply unit of the above aspect, the arrangement member may include a portion that is pushed into the space by the protrusion when the liquid supply unit is attached to the liquid ejecting apparatus. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit with respect to the liquid ejecting apparatus is simplified. In addition, the mounting stability of the liquid supply unit with respect to the liquid ejecting apparatus is enhanced by the arrangement member pushed into the space.

[11] The liquid supply unit of the above aspect may further include an elastic member that is arranged in the space and supports the arrangement member while urging the arrangement member in the insertion direction of the protrusion. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit to the liquid ejecting apparatus can be further simplified while enhancing the effect of suppressing the entry of foreign matter into the space.

[12] In the liquid supply unit of the above aspect, the arrangement member may be a film-like member that is broken by the protrusion when the liquid supply unit is attached to the liquid ejecting apparatus. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit to the liquid ejecting apparatus can be further simplified while enhancing the effect of suppressing the entry of foreign matter into the space.

[13] In the liquid supply unit of the above aspect, the arrangement member is accommodated in the space, and is pressed by the protrusion when the liquid supply unit is attached to the liquid ejecting apparatus. , You may move to a deep position in the space. According to the liquid supply unit of this aspect, the mounting operation of the liquid supply unit to the liquid ejecting apparatus can be further simplified while enhancing the effect of suppressing the entry of foreign matter into the space.

[14] In the liquid supply unit of the above aspect, the arrangement member may be a film-like member arranged to be peelable from the liquid supply unit. According to the liquid supply unit of this form, entry of foreign matter into the space is suppressed by the arrangement member. Further, the arrangement member can be removed when the liquid supply unit is attached to the liquid ejecting apparatus.

[15] In the liquid supply unit of the above aspect, the arrangement member may be a lid member that is detachably attached to the entrance of the space. According to the liquid supply unit of this form, entry of foreign matter into the space is suppressed by the arrangement member. Further, the arrangement member can be removed when the liquid supply unit is attached to the liquid ejecting apparatus.

[16] In the liquid supply unit of the above aspect, the arrangement member may be fitted into the space in a state where the arrangement member can be taken out from the space. According to the liquid supply unit of this form, entry of foreign matter into the space is suppressed by the arrangement member. Further, the arrangement member can be removed when the liquid supply unit is attached to the liquid ejecting apparatus.

  A plurality of constituent elements of each aspect of the present invention described above are not indispensable, and some or all of the effects described in the present specification are to be solved to solve part or all of the above-described problems. In order to achieve the above, it is possible to appropriately change, delete, replace with another new component, and partially delete the limited contents of some of the plurality of components. In order to solve part or all of the above-described problems or to achieve part or all of the effects described in this specification, technical features included in one embodiment of the present invention described above. A part or all of the technical features included in the other aspects of the present invention described above may be combined to form an independent form of the present invention.

  The present invention can be realized in various forms other than the liquid supply unit. For example, it can be realized in the form of a packing body in which the liquid supply unit is packed, a liquid ejecting apparatus including the liquid supply unit, a mounting method of the liquid supply mechanism, a mounting mechanism of the liquid supply mechanism, and the like.

FIG. 3 is a schematic upper perspective view showing the cartridge and the holder portion of the first embodiment. FIG. 3 is a schematic lower perspective view illustrating the configuration of the cartridge according to the first embodiment. FIG. 3 is a schematic cross-sectional view illustrating configurations of a cartridge and a holder portion according to the first embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 1st Embodiment. FIG. 6 is a schematic perspective view illustrating a configuration of a cartridge according to a second embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 2nd Embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 3rd Embodiment. FIG. 10 is a schematic bottom perspective view illustrating a configuration of a cartridge according to a fourth embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 4th Embodiment. The schematic front view which shows the structure of the cartridge of 5th Embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 5th Embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 6th Embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 7th Embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 8th Embodiment. The schematic diagram which shows the mounting process with respect to the holder part of the cartridge of 9th Embodiment. FIG. 18 is a schematic lower perspective view illustrating a configuration of a cartridge according to a tenth embodiment. FIG. 15 is a schematic lower perspective view illustrating the configuration of a cartridge according to an eleventh embodiment. The schematic upper perspective view which shows the cartridge and holder part of 12th Embodiment. FIG. 20 is a schematic cross-sectional view illustrating configurations of a cartridge and a holder part according to a twelfth embodiment. Schematic which shows the structure of the cartridge as a modification. Schematic which shows the structure of the cartridge as a modification. Schematic which shows the structure of the cartridge as a modification.

A. First embodiment:
With reference to FIGS. 1-3, the structure of the cartridge 10 as 1st Embodiment of the liquid supply unit of this invention and the structure of the holder part 50 to which the cartridge 10 is mounted | worn are demonstrated in order. Then, with reference to FIG. 4, the mounting process of the cartridge 10 with respect to the holder part 50 is demonstrated.

[Cartridge configuration]
FIG. 1 is a schematic upper perspective view showing the cartridge 10 of the first embodiment and the holder portion 50 to which the cartridge 10 is mounted. FIG. 2 is a schematic bottom perspective view of the cartridge 10. 3 is a schematic cross-sectional view of the cartridge 10 and the holder unit 50 at a position corresponding to the AA cut shown in FIG. FIG. 3 illustrates a state where the cartridge 10 is mounted on the holder unit 50. 1 to 3 show arrows X, Y, and Z indicating three directions orthogonal to each other so that the respective figures correspond to each other. The directions indicated by the arrows X, Y, and Z will be sequentially described in the description of the configuration of the cartridge 10. In addition, each arrow X, Y, Z is illustrated similarly in each figure used for later explanation.

  The cartridge 10 contains ink to be supplied to an ink jet printer that is a liquid ejecting apparatus. The cartridge 10 is configured as a hollow container having a substantially rectangular parallelepiped shape, and includes a bottom surface 11, a top surface 12, a front surface 13, a rear surface 14, a left side surface 15, and a right side surface 16 (see FIG. 1, FIG. 2). The bottom surface 11 is a surface facing the direction toward the holder portion 50 when the cartridge 10 is mounted on the holder portion 50 (FIG. 1). The top surface 12 is a surface facing the bottom surface 11. An arrow Z indicates the direction from the bottom surface 11 toward the top surface 12, that is, the height direction of the cartridge 10. In this specification, “upper” means the direction of the arrow Z, and “lower” means the reverse direction of the arrow Z.

  The front surface 13 is a surface that intersects the bottom surface 11 and the top surface 12 and faces the front side of the printer when the cartridge 10 is mounted on the printer. The “front of the printer” is the surface that the user faces when using the printer. The rear surface 14 is a surface that faces the front surface 13 and intersects the bottom surface 11 and the top surface 12. An arrow Y indicates a direction from the rear surface 14 toward the front surface 13 and indicates a direction parallel to the front-rear direction of the cartridge 10. In this specification, “front” means the direction of the arrow Y, and “rear” means the reverse direction of the arrow Y. In the present embodiment, the direction of arrow Y coincides with the sub-scanning direction of the printer.

  The left side surface 15 is located on the left side of the front surface 13 when facing the front surface 13 with the bottom surface 11 on the lower side and the upper surface 12 on the upper side, and intersects the bottom surface 11, the upper surface 12, the front surface 13, and the rear surface 14. Surface. The right side surface 16 is a surface that faces the left side surface 15 and intersects the bottom surface 11, the top surface 12, the front surface 13, and the rear surface 14. An arrow X indicates a direction from the left side surface 15 toward the right side surface 16, and indicates a direction parallel to the width direction of the cartridge 10. In this specification, “right” means the direction of arrow X, and “left” means the opposite direction of arrow X. In the present embodiment, the direction of the arrow X is parallel to the main scanning direction of the printer.

  The cartridge 10 includes a main body container 21 that is a resin-made hollow box that opens upward, and a lid portion 22 that covers the upper opening of the main body container 21 (FIGS. 1 to 3). . The outer wall surfaces of the main body container 21 constitute the bottom surface 11, the front surface 13, the rear surface 14, the left side surface 15, and the right side surface 16 of the cartridge 10, and the upper surface of the lid 22 is the upper surface of the cartridge 10. An upper surface 12 is formed.

  Inside the cartridge 10, a first ink chamber 23a and a second ink chamber 23b are provided (FIG. 1). Different colors of ink are stored in the first ink chamber 23a and the second ink chamber 23b, respectively. The first ink chamber 23a and the second ink chamber 23b are arranged in the direction of the arrow X, and are partitioned by a partition wall (not shown) provided in the main body container 21.

  The bottom surface 11 (FIG. 2) of the cartridge 10 has a first ink supply port 24a that is a through hole communicating with the first ink chamber 23a and a second ink supply port 24b that is a through hole communicating with the second ink chamber 23b. And are provided. A groove 25 is provided between the first ink supply port 24a and the second ink supply port 24b. The groove 25 is formed so as to enter the direction of the arrow Z into the partition between the first ink chamber 23a and the second ink chamber 23b described above, and extends substantially linearly in the direction of the arrow Y. The groove part 25 corresponds to the space forming part in the present invention, and the space in the groove part 25 corresponds to the space in the present invention. The function of the groove 25 will be described later.

  In the present embodiment, a film-like member 40 that is a strip-like flexible film is attached to an opening corresponding to the entrance of the groove 25 in the bottom surface 11 (hereinafter simply referred to as “opening of the groove 25”). . The film-like member 40 is made of a resin film having a thickness of about 100 to 200 μm, for example. The film-like member 40 is disposed so as to cover the entire opening of the groove 25, and is adhered to the bottom surface 11 at both ends in the direction of the arrow X. The film-like member 40 is disposed in a region that does not cover the first ink supply port 24a and the second ink supply port 24b. A perforation 40d, which is a cut intermittently arranged in the direction of the arrow Y, is formed at substantially the center of the film member 40 in the direction of the arrow X. The function of the film member 40 will be described later.

  A first ink holding member 31 and a second ink holding member 32 are accommodated in the first ink chamber 23a and the second ink chamber 23b, respectively (FIG. 3). Each ink holding member 31, 32 absorbs and holds ink therein. Each of the ink holding members 31 and 32 is configured by a porous resin member such as a foam member such as urethane foam or a fiber member in which polypropylene is bundled in a fiber shape.

  The first ink holding member 31 has a substantially rectangular parallelepiped shape, and is disposed in contact with each inner wall surface of the main body container 21. The second ink holding member 32 has a substantially flat plate shape, and is disposed between the first ink holding member 31 and the ink supply ports 24a and 24b in each of the ink chambers 23a and 23b. The second ink holding member 32 is also called “wick”.

  The ink holding members 31 and 32 have different characteristics for holding the liquid. Specifically, the pore density of the second ink holding member 32 is larger than the pore density of the first ink holding member 31, and the capillary force of the second ink holding member 32 is larger than that of the first ink holding member 31. As a result, in each of the ink chambers 23a and 23b, the ink is easily collected to the ink supply ports 24a and 24b.

  Here, the central portion of the second ink holding member 32 is exposed to the outside through the ink supply ports 24a and 24b (FIG. 2). As will be described later, the second ink holding member 32 comes into contact with the front end surfaces of the ink introducing portions 61 a and 61 b (FIG. 1) of the holder portion 50 when the cartridge 10 is mounted on the holder portion 50.

  A region CP where the tip surface of the first ink introduction portion 61a of the holder portion 50 contacts the second ink holding member 32 exposed through the first ink supply port 24a corresponds to the first liquid supply portion in the present invention. . Similarly, the region CP where the tip surface of the second ink introduction part 61b of the holder part 50 contacts the second ink holding member 32 exposed through the second ink supply port 24b is the second liquid supply part in the present invention. It corresponds to.

  The lid portion 22 is provided with a first through hole 35a communicating with the first ink chamber 23a and a second through hole 35b communicating with the second ink chamber 23b. When ink is supplied from the cartridge 10 to the printer, the atmosphere is introduced into the ink chambers 23a and 23b communicating with the through holes 35a and 35b. It should be noted that the surface of the lid portion 22 is bent into a substantially bellows shape from an air hole that opens to the outside in order to prevent the ink in the ink chambers 23a and 23b from evaporating from the through holes 35a and 35b. An air flow path connected to each of the through holes 35a and 35b is provided (not shown).

  A main engagement portion 36 that protrudes in the direction of arrow Y is provided on the front surface 13 of the cartridge 10 (FIG. 1). The main engagement portion 36 is located on the first ink chamber 23a side in the direction of the arrow X. The main engagement portion 36 has an upper surface 36u facing upward and a lower surface 36d facing downward. As will be described later, the cartridge 10 is fixed to the holder portion 50 by the rotation mechanism 58 of the holder portion 50 engaging with the upper surface 36u of the main engagement portion 36. In the present specification, “engage” means engaging with a predetermined part so that the moving direction of the object is limited.

  A circuit board 37 is attached to the lower surface 36d of the main engagement portion 36 so as to face downward (FIGS. 2 and 3). The circuit board 37 has a plurality of terminals (not shown), and is electrically connected to the printer when the cartridge 10 is mounted on the carriage of the printer. The printer receives from the circuit board 37 an electrical signal indicating the mounting state of the cartridge 10 and information about the ink such as the color and remaining amount of the ink stored in the cartridge 10.

  On the rear surface 14 of the cartridge 10, two projecting portions 38 a and 38 b projecting in the direction opposite to the arrow Y are arranged in the direction of the arrow X. The first protrusion 38a is located on the first ink chamber 23a side, and the second protrusion 38b is located on the second ink chamber 23b side. The protrusions 38a and 38b are fitted in the fitting holes 59a and 59b of the holder 50 as described later.

[Configuration of holder part]
The holder unit 50 is attached to the carriage of the printer and holds the cartridge 10 in a detachable state. The holder portion 50 is configured as a substantially rectangular parallelepiped box having an upper opening, and has a cartridge housing chamber 60 in which the cartridge 10 is disposed (FIG. 1). The holder 50 includes a bottom wall 51, a front wall 53, a rear wall 54, a left wall 55, and a right wall 56 as walls surrounding the cartridge storage chamber 60. .

  When the cartridge 10 is mounted on the holder portion 50, the bottom wall 51 faces the bottom surface 11 of the cartridge 10 (FIG. 3). The front wall 53 faces the front surface 13 of the cartridge 10 and the rear wall 54 faces the rear surface 14 of the cartridge 10. Similarly, the left side wall portion 55 faces the left side surface 15 of the cartridge 10, and the right side wall portion 56 faces the right side surface 16 of the cartridge 10.

  A rotation mechanism 58 is attached to the front wall 53 (FIGS. 1 and 3). The rotation mechanism 58 is attached so as to be capable of reciprocating in the vertical direction about a rotation axis RX extending in the direction of the arrow X. The rotation mechanism 58 contacts the upper surface 36u of the main engagement portion 36 provided on the cartridge 10 by rotating to lock the cartridge 10. “Lock” means stopping the object in an engaged state. The rotation mechanism 58 is biased in the direction of engagement with the upper surface 36 u of the main engagement portion 36.

  The rear wall portion 54 is provided with two fitting holes 59a and 59b arranged in a line in the direction of arrow X (FIG. 1). When the cartridge 10 is mounted on the holder portion 50, the first protrusion 38a provided on the rear surface 14 of the cartridge 10 is inserted into the first fitting hole 59a to be fitted (FIG. 3). Further, the second protrusion 38b is inserted into the second fitting hole 59b and is fitted.

  Two ink introducing portions 61a and 61b, a partition wall 62, an urging mechanism 63, and a connector unit 64 are disposed on the bottom wall 51 (FIGS. 1 and 3). The two ink introduction portions 61a and 61b are arranged in the direction of the arrow X. Each of the two ink introduction portions 61a and 61b protrudes in the direction of the arrow Z and has almost the same height (FIG. 1). When the cartridge 10 is mounted, the front end surface of the first ink introducing portion 61a contacts the second ink holding member 32 at the first ink supply port 24a of the cartridge 10 (FIG. 3). Similarly, the front end surface of the second ink introduction portion 61b contacts the second ink holding member 32 at the second ink supply port 24b. That is, the first ink introduction part 61a corresponds to the first liquid introduction part, and the second ink introduction part 61b corresponds to the second liquid introduction part.

  When each ink introduction part 61a, 61b contacts the second ink holding member 32 of the cartridge 10, the ink in each ink chamber 23a, 23b can flow into the ink flow path 61p inside the ink introduction part 61a, 61b. . The ink introduced from the ink introduction portions 61a and 61b is supplied to the print head 70 (FIG. 3) disposed on the lower surface of the bottom wall portion 51 (surface opposite to the arrow Z).

  The partition wall 62 (FIG. 1) is a wall portion extending in the direction of arrow Y between the first ink introduction portion 61a and the second ink introduction portion 61b. The upper end surface 62u of the partition wall 62 protrudes upward from the front end surfaces of the ink introducing portions 61a and 61b. The partition wall 62 corresponds to the protruding portion in the present invention. The partition wall 62 functions as a protection unit that prevents the cartridge 10 from accidentally coming into contact with the ink introduction units 61 a and 61 b when the cartridge 10 is attached to the holder unit 50. Note that the thickness of the partition wall 62 is greatly illustrated for convenience in each drawing, but may be any thickness that can be accommodated in the groove portion 25 of the cartridge 10.

  In addition, the partition wall 62 has a function of preventing the leaked ink from flowing into the other side when the ink is accidentally leaked from one of the ink introducing portions 61a and 61b. Have. Further, as will be described later, the partition wall 62 functions as a positioning portion of the cartridge 10 when the cartridge 10 is mounted, and also functions as an engaging portion for fixing the cartridge 10.

  The urging mechanism 63 is configured by an elastic member such as a metal coil spring, for example, and urges the cartridge 10 mounted on the holder unit 50 upward. In the present embodiment, the urging mechanism 63 is disposed at a position adjacent to the front wall portion 53 and on the second ink introduction portion 61b side in the direction of the arrow X. By urging the cartridge 10 upward by the urging mechanism 63, the engaging force of the holder portion 50 with respect to the cartridge 10 by the rotation mechanism 58 and the fitting holes 59a and 59b is increased, and the mounting stability of the cartridge 10 is improved. It is done.

  The connector unit 64 has a function as an electrical connection part that electrically connects the circuit board 37 of the cartridge 10 and the printer. The connector unit 64 has a plurality of terminals 64t protruding toward the region where the cartridge 10 is disposed (FIG. 3). The connector unit 64 is disposed at a position adjacent to the front wall portion 53 so that each terminal 64t can be electrically contacted with a corresponding terminal of the circuit board 37 of the cartridge 10 when the cartridge 10 is mounted. Yes.

[Mounting the cartridge to the holder]
FIG. 4 is a schematic diagram illustrating a mounting process of the cartridge 10 with respect to the holder unit 50. In the following description, the description of the engaging operation by the rotation mechanism 58 and the fitting holes 59a and 59b is omitted for convenience. In the mounting process of the cartridge 10 to the holder portion 50, the first ink supply port 24a of the cartridge 10 approaches the first ink introduction portion 61a, and the second ink supply port 24b approaches the second ink introduction portion 61b (FIG. 4 top). At this time, the partition wall 62 of the holder portion 50 also approaches the groove portion 25 of the bottom surface 11 of the cartridge 10.

  When the partition wall 62 moves toward the groove 25, the film member 40 and the upper end surface 62 u of the partition wall 62 come into contact with each other, and the film member 40 is pressed by the partition wall 62. As described above, the perforation 40d for inducing the breakage of the membrane member 40 is provided at the center of the membrane member 40 (FIG. 2). When the partition wall 62 is pressed, the membrane member 40 is broken starting from the perforation 40d, so that the partition wall 62 can enter the groove 25 of the cartridge 10. Thus, the partition wall 62 is inserted into the space in the groove portion 25 with the direction of the arrow Z as the insertion direction.

  The partition wall 62 is accommodated in the space in the groove portion 25 of the cartridge 10 and the ink supply ports 24a and 24b come into contact with the corresponding ink introduction portions 61a and 61b, whereby the mounting of the cartridge 10 to the holder portion 50 is completed ( (Lower part of FIG. 4). Thus, by inserting the partition wall 62 into the groove portion 25, the displacement of the mounting position of the cartridge 10 in the direction of the arrow X is suppressed, and the fixability of the cartridge 10 in the direction of the arrow X (main scanning direction) is reduced. Enhanced. That is, the groove part 25 and the partition wall 62 function as a positioning part and a position fixing part for mounting the cartridge 10 to the holder part 50.

  In the cartridge 10 of the present embodiment, the foreign matter enters the space in the groove 25 because the opening of the groove 25 is closed by the membrane member 40 before being attached to the holder portion 50. It is suppressed. Therefore, it is suppressed that the mounting stability of the cartridge 10 with respect to the holder portion 50 is hindered by the entry of foreign matter into the groove portion 25. Further, since the membrane member 40 is broken by the partition wall 62 when the partition wall 62 is accommodated in the groove portion 25, it is possible to prevent the membrane member 40 from increasing the labor for mounting the cartridge 10. In addition, when the partition wall 62 is accommodated in the groove portion 25, a part of the film-like member 40 is pushed between the partition wall 62 and the inner wall surface of the groove portion 25 in the opening below the groove portion 25, so that the partition wall 62 and the groove portion are The gap between 25 is reduced. Therefore, the mounting stability of the cartridge 10 with respect to the holder portion 50 is enhanced while the engagement between the partition wall 62 and the groove portion 25 is enhanced. The film-like member 40 does not have to be flexible, and may be constituted by a resinous plate-like member. The film-like member 40 may have a part where the strength is locally smaller than other parts, instead of the perforation 40d, as a component that induces breakage. Alternatively, the film-shaped member 40 may not have a component that induces breakage, and may be configured so that the film-shaped member 40 itself has a strength to be broken when pressed by the partition wall 62.

[Summary of First Embodiment]
As described above, in the cartridge 10 according to the first embodiment, since the film-like member 40 is disposed in the opening of the groove 25, entry of foreign matter into the groove 25 is suppressed, and mounting of the cartridge 10 is stable. The decline in sex is suppressed. Further, since the film-like member 40 is configured to be easily broken by the perforation 40d, the mounting operation of the cartridge 10 is prevented from being hindered. In addition, with the cartridge 10 of the first embodiment, high mounting stability with respect to the holder unit 50 can be obtained.

B. Second embodiment:
FIG. 5 is a schematic bottom perspective view showing the configuration of the cartridge 10A as the second embodiment of the present invention. The cartridge 10A of the second embodiment has substantially the same configuration as the cartridge 10 of the first embodiment except that the configuration of the film-like member 40A corresponding to the arrangement member of the present invention is different. The cartridge 10A of the second embodiment can be mounted on the same holder portion 50 as described in the first embodiment.

  In the film member 40A of the cartridge 10A of the second embodiment, the perforation 40d (FIG. 2) that the film member 40 of the first embodiment has is omitted. Further, the film member 40A is different in the adhesive force of the two adhesive portions 41 provided at the two end portions in the direction of the arrow X to the cartridge 10. The adhesive force of either one of the two adhesive portions 41 is small enough to be peeled off by pressing the partition wall 62 when the cartridge 10 is mounted on the holder portion 50, and the other adhesive force is the pressing force of the partition wall 62. Depending on the size, it is large enough not to peel off. Note that either one of the two bonding portions 41 may be omitted, and the film-like member 40A may be bonded to the cartridge 10 only by the one bonding portion 41.

  FIG. 6 is a schematic diagram illustrating a mounting process of the cartridge 10 </ b> A of the second embodiment with respect to the holder unit 50. As described above, in the cartridge 10 </ b> A of the second embodiment, the film-like member 40 </ b> A has a small adhesive force of one of the two adhesive portions 41 provided at the end in the direction of the arrow X. Therefore, one end portion of the film-like member 40A is separated from the opening end portion of the groove portion 25 by pressing by the partition wall 62 of the holder portion 50 when the cartridge 10 is mounted on the holder portion 50, and the other end portion is the groove portion. It is pushed into 25. Therefore, when the mounting of the cartridge 10 is completed, the film-like member 40 </ b> A is in a state in which the remaining part is pushed into the space in the groove 25 while the one end is adhered by the adhesive part 41.

  As described above, even in the cartridge 10 </ b> A of the second embodiment, the intrusion of foreign matter into the groove portion 25 is suppressed by the film-like member 40 </ b> A, and the deterioration of the mounting stability of the cartridge 10 </ b> A with respect to the holder portion 50 is suppressed. In addition, in the case of the cartridge 10A of the second embodiment, the same effect as that of the first embodiment is obtained, such as the engagement of the cartridge 10A with the holder portion 50 being enhanced by the membrane member 40A pushed into the groove portion 25. It is possible to play.

C. Third embodiment:
FIG. 7 is a schematic diagram illustrating a mounting process of the cartridge 10B of the third embodiment with respect to the holder unit 50. The cartridge 10B of the third embodiment has substantially the same configuration as the holder unit 50 of the first embodiment, except that a peelable film member 40B is disposed in the opening of the groove 25. The cartridge 10B of the third embodiment can be mounted on the same holder portion 50 as described in the first embodiment. The film-like member 40B corresponds to the arrangement member in the present invention.

  In the cartridge 10B of the third embodiment, the adhesive force at the adhesive portion 41 of the film-like member 40B that closes the opening of the groove 25 is small, and the user peels it from the bottom surface 11 by pulling the end of the film-like member 40B. Can be removed. The cartridge 10B of the third embodiment is mounted on the holder unit 50 after the membrane member 40B has been peeled off in advance. The film-like member 40B may be configured to be peelable by pulling in the direction of the arrow Y or the direction opposite to the arrow Y. Moreover, the grip part which a user can grip at the time of peeling may be provided in the edge part of the film-like member 40B. Or the protrusion part which a user can hold | grip at the time of peeling may be provided in the surface of the film-form member 40B.

  As described above, even in the cartridge 10 </ b> B of the third embodiment, the intrusion of foreign matter into the groove portion 25 is suppressed by the film-like member 40 </ b> B, and a decrease in mounting stability of the cartridge 10 </ b> B with respect to the holder portion 50 is suppressed. In addition, if it is the cartridge 10B of 3rd Embodiment, there can exist an effect similar to 1st Embodiment.

D. Fourth embodiment:
FIG. 8 is a schematic bottom perspective view showing the configuration of the cartridge 10C as the fourth embodiment of the present invention. The cartridge 10C of the fourth embodiment has substantially the same configuration as the cartridge 10 of the first embodiment, except that a rotating door 42 is provided in the opening of the groove 25 instead of the membrane member 40. ing. The cartridge 10C of the fourth embodiment can be mounted on the same holder unit 50 as described in the first embodiment.

  The rotating door part 42 provided in the opening part of the groove part 25 has what is called a double door structure, and has the 1st door part 42a and the 2nd door part 42b. The 1st door part 42a and the 2nd door part 42b are respectively comprised by the substantially rectangular shaped plate-shaped member of the substantially same size. The 1st door part 42a and the 2nd door part 42b may be comprised with the resin film. Since the first door portion 42a and the second door portion 42b are arranged in the direction of the arrow X, the opening portion of the groove portion 25 is almost closed. The 1st door part 42a and the 2nd door part 42b are equivalent to the arrangement | positioning member in this invention. The first door portion 42a is attached to the end portion of the groove portion 25 on the first ink supply port 24a side, and the second door portion 42b is attached to the end portion of the second ink supply port 24b side.

  Each of the first door portion 42a and the second door portion 42b is attached to be pivotable toward the back of the groove portion 25 with a fulcrum portion 42f provided between the first door portion 42a and the second door portion 42b as a fulcrum. The fulcrum part 42f may be configured by a hinge mechanism or may be configured by a flexible member that can be bent and deformed. Note that the first door portion 42a and the second door portion 42b are each angled with respect to the bottom surface 11 to close the opening of the groove portion 25 while being biased in the direction of arrow Z by a biasing mechanism (not shown). The angle is almost parallel).

  FIG. 9 is a schematic diagram illustrating a mounting process of the cartridge 10 </ b> C of the fourth embodiment with respect to the holder unit 50. In the cartridge 10 </ b> C of the fourth embodiment, each of the first door portion 42 a and the second door portion 42 b of the rotating door portion 42 is caused by the upper end surface 62 u of the partition wall 62 of the holder portion 50 when mounted in the holder portion 50. Is rotated and pushed toward the back of the groove 25. In a state where the cartridge 10C is completely attached to the holder portion 50, the first door portion 42a and the second door portion 42b are in a state of being locked to the partition wall 62 in the groove portion 25, respectively. Accordingly, the engagement of the partition wall 62 with the groove portion 25 of the cartridge 10C is enhanced.

  As described above, according to the cartridge 10 </ b> C of the third embodiment, the entrance of the foreign matter into the groove portion 25 is suppressed by the rotating door portion 42, and the deterioration of the mounting stability with respect to the holder portion 50 is suppressed. Further, in the case of the cartridge 10 </ b> C of the third embodiment, when the cartridge portion 10 </ b> C is removed from the holder portion 50, the groove portion 25 returns to the state closed by the rotating door portion 42 again. Therefore, even if the cartridge 10C is repeatedly attached to and detached from the holder portion 50, the turning door portion 42 prevents foreign matter from entering the groove portion 25. In addition, with the cartridge 10C of the fourth embodiment, it is possible to achieve the same functions and effects as described in the first embodiment.

E. Fifth embodiment:
FIG. 10 is a schematic front view showing a configuration of a cartridge 10D as the fifth embodiment of the present invention. The cartridge 10D of the fifth embodiment has substantially the same configuration as the cartridge 10 of the first embodiment except that the biasing closing mechanism 43 is provided in the groove 25. The cartridge 10D of the fifth embodiment can be mounted on the same holder unit 50 as described in the first embodiment.

  The biasing closing mechanism 43 provided in the groove portion 25 includes a lid member 43c and an elastic member 43s. The lid member 43c is configured by a plate-like member having substantially the same size as the opening of the groove 25, and is urged by the elastic member 43s at an angle substantially parallel to the bottom surface 11 in the opening of the groove 25. It is supported by. In the fifth embodiment, the lid member 43c corresponds to the arrangement member in the present invention. The elastic member 43s is configured by, for example, a coil spring, and is disposed in the groove 25 so that the direction of expansion and contraction is parallel to the direction of the arrow Z. Accordingly, the lid member 43c is displaced into the groove 25 when pressed from below, and can return to the original position when the pressing force is released. The elastic member 43s may be configured by a member other than the coil spring. The elastic member 43s may be a member that can urge the lid member 43c in a direction parallel to the insertion direction of the partition wall 62, and may be configured by a plate spring or a torsion spring, for example. In addition, the elastic member 43s may be formed of a porous structure that can be elastically deformed, such as a urethane sponge-like member. The elastic member 43s may be configured by a structure that is configured so that the nonwoven fabric can be elastically deformed. In this case, the nonwoven fabric may be composed of plant fibers such as cellulose, and may be composed of plant fibers and synthetic fibers.

  FIG. 11 is a schematic diagram illustrating a mounting process of the cartridge 10D of the fifth embodiment with respect to the holder unit 50. As illustrated in FIG. In the cartridge 10 </ b> D according to the fifth embodiment, when the cartridge 10 </ b> D is attached to the holder unit 50, the lid member 43 c of the biasing closing mechanism 43 is pushed toward the back of the groove 25 by being pressed against the upper end surface 62 u of the partition wall 62 of the holder unit 50. And pushed. When the cartridge 10D is completely attached to the holder portion 50, the elastic member 43s is contracted, and an urging force (elastic force) is applied to the upper end surface 62u of the partition wall 62 through the lid member 43c. That is, the cartridge 10 </ b> D is in a state in which an urging force in a direction away from the holder unit 50 is applied by the elastic member 43 s. Therefore, the engagement force between the cartridge 10D and the components for engaging the cartridge 10D included in the holder unit 50 such as the rotation mechanism 58 and the fitting holes 59a and 59b is increased, and the mounting stability of the cartridge 10 is increased. Is increased.

  Further, when the engagement with the holder portion 50 is released, the urging force of the elastic member 43s acts in a direction to separate the cartridge 10 from the holder portion 50, so that the detachability of the cartridge 10 with respect to the holder portion 50 is improved. It is done. In addition, when the cartridge 10D is removed from the holder portion 50, the groove portion 25 is again closed by the lid member 43c. Therefore, even if the cartridge 10D is repeatedly attached to and detached from the holder portion 50, the lid member 43c prevents foreign matter from entering the groove portion 25.

  As described above, according to the cartridge 10 </ b> D of the fifth embodiment, the urging and closing mechanism 43 suppresses entry of foreign matter into the groove portion 25, and suppresses a decrease in mounting stability with respect to the holder portion 50. In addition, with the cartridge 10D of the fifth embodiment, it is possible to achieve the same operational effects as described in the first embodiment.

F. Sixth embodiment:
FIG. 12 is a schematic view showing a mounting process of the cartridge 10E as the sixth embodiment of the present invention with respect to the holder portion 50. As shown in FIG. The cartridge 10E of the sixth embodiment has substantially the same configuration as the cartridge 10D of the fifth embodiment, except that the elastic member 43s is omitted and a rail portion 43r for moving the lid member 43c is provided. ing. The cartridge 10E of the sixth embodiment can be mounted on the same holder unit 50 as described in the first embodiment.

  In the cartridge 10E of the sixth embodiment, the lid member 43c is configured to be reciprocally movable in the height direction of the cartridge 10 by a rail portion 43r provided on the inner wall surface of the groove portion 25. For example, the rail portion 43r is formed as a groove portion extending in the direction of arrow Y in which the end portion of the lid member 43c can be fitted. The rail portion 43r is configured such that the frictional force between the rail portion 43r and the lid member 43c is increased in the vicinity of the opening portion of the groove portion 25 so that the lid member 43c is locked in a state where the opening portion of the groove portion 25 is closed. It is desirable to be configured. The lid member 43c moves into the groove portion 25 along the rail portion 43r when an external force in the direction of the arrow Z is applied.

  As described above, according to the cartridge 10E of the sixth embodiment, the lid member 43c suppresses the entry of foreign matter into the groove portion 25 and suppresses a decrease in mounting stability with respect to the holder portion 50. In addition, the cartridge 10E of the sixth embodiment can achieve the same operational effects as described in the first embodiment.

G. Seventh embodiment:
FIG. 13 is a schematic diagram showing a mounting process of the cartridge 10F as the seventh embodiment of the present invention with respect to the holder portion 50. As shown in FIG. The cartridge 10F of the seventh embodiment has substantially the same configuration as the cartridge 10 of the first embodiment except that the filling member 44 is disposed in the groove 25. The cartridge 10F of the seventh embodiment can be mounted on the same holder portion 50 as described in the first embodiment. In the seventh embodiment, the filling member 44 corresponds to the arrangement member of the present invention.

  The filling member 44 is configured by a non-hardening type silicon member or a gel-like member having plasticity such as clay, and is filled in the groove 25 so as to close the opening of the groove 25. When the cartridge 10 </ b> F is mounted on the holder unit 50, the filling member 44 is pushed into the groove 25 by the partition wall 62 of the holder unit 50. Further, a part of the filling member 44 enters the gap between the inner wall surface of the groove 25 and the partition wall 62 due to the pressing of the partition wall 62. Accordingly, the engagement of the partition wall 62 with the groove portion 25 when the cartridge 10F is attached to the holder portion 50 is enhanced. Note that the filling member 44 may be configured by, for example, a sponge-like porous member and compressed when pushed into the groove 25.

  As described above, according to the cartridge 10 </ b> F of the seventh embodiment, the filling member 44 suppresses entry of foreign matter into the groove portion 25, and suppresses a decrease in mounting stability with respect to the holder portion 50. Further, the filling member 44 fills the gap between the inner wall surface of the groove portion 25 and the partition wall 62, so that the mounting stability of the cartridge 10F with respect to the holder portion 50 is enhanced. In addition, the cartridge 10E of the seventh embodiment can achieve the same operational effects as described in the first embodiment.

H. Eighth embodiment:
FIG. 14 is a schematic view showing a mounting process of the cartridge 10G as the eighth embodiment of the present invention with respect to the holder portion 50. As shown in FIG. The cartridge 10G of the eighth embodiment has substantially the same configuration as the cartridge 10 of the first embodiment except that the cap member 45 is disposed in the opening of the groove 25. The cartridge 10G of the eighth embodiment can be mounted on the same holder unit 50 as described in the first embodiment. In the eighth embodiment, the cap member 45 corresponds to the arrangement member of the present invention.

  The cap member 45 includes a main body portion 45 a that is inserted into and fitted into the groove portion 25 of the cartridge 10 </ b> G, and a lid portion 45 b that is disposed outside the groove portion 25 and covers the opening of the groove portion 25. The cap member 45 is made of a resin member such as polyethylene. When the cartridge 10G is not attached to the holder 50, the cap member 45 is attached to the groove 25 and the opening of the groove 25 is closed. The cap member 45 is removed by the user when the cartridge 10 </ b> G is mounted on the holder unit 50.

  As described above, according to the cartridge 10 </ b> G of the eighth embodiment, the cap member 45 suppresses entry of foreign matter into the groove portion 25 and suppresses a decrease in mounting stability with respect to the holder portion 50. In addition, the cartridge 10G of the eighth embodiment can achieve the same operational effects as described in the first embodiment.

I. Ninth embodiment:
FIG. 15 is a schematic view showing a mounting process of the cartridge 10H as the ninth embodiment of the present invention with respect to the holder portion 50. As shown in FIG. The cartridge 10H of the ninth embodiment has substantially the same configuration as the cartridge 10 of the first embodiment except that the fitting member 46 is disposed in the groove 25. The cartridge 10H of the eighth embodiment can be mounted on the same holder unit 50 as described in the first embodiment. In the ninth embodiment, the fitting member 46 corresponds to the arrangement member of the present invention.

  The fitting member 46 has a substantially rectangular parallelepiped shape and is inserted to the back of the groove portion 25. The fitting member 46 is accommodated in a state in which the fitting member 46 is fitted and fitted into the groove portion 25. That is, the fitting member 46 is disposed in the groove portion 25 in a state where the surface thereof is in close contact with the inner wall surface of the groove portion 25 and is held by a frictional force. In order to protect the cartridge 10 </ b> H, the fitting member 46 is preferably composed of a member having a low hardness such as a foam material such as foamed polystyrene. The fitting member 46 is taken out from the groove 25 by the user when the cartridge 10H is mounted on the holder 50. Therefore, it is desirable that the fitting member 46 is disposed in a state in which a part thereof protrudes from the groove portion 25 so that the user can hold it.

  As described above, according to the cartridge 10 </ b> H of the ninth embodiment, the fitting member 46 suppresses entry of foreign matter into the groove portion 25 and suppresses a decrease in mounting stability with respect to the holder portion 50. Further, the fitting member 46 enhances the protection of the cartridge 10H during transportation. In addition, the cartridge 10H of the ninth embodiment can achieve the same operational effects as described in the first embodiment.

J. Tenth embodiment:
FIG. 16 is a schematic bottom perspective view showing the configuration of the cartridge 10I as the tenth embodiment of the present invention. In FIG. 16, regions where the ink chambers 23 a to 23 c are formed on the bottom surface 11 of the cartridge 10 </ b> I are indicated by alternate long and short dash lines. The cartridge 10I of the tenth embodiment is substantially the same as the cartridge 10 of the first embodiment except that a third ink chamber 23c and a third ink supply port 24c are added and the groove 25 is configured to be short. It has the same configuration. The holder portion to which the cartridge 10I of the tenth embodiment is mounted is configured such that a third ink introduction portion corresponding to the third liquid introduction portion is added, and the length of the partition wall 62 in the direction of arrow Y is shortened to match the groove portion 25. Except for this point, it has substantially the same configuration as the holder portion 50 of the first embodiment (not shown).

  The third ink chamber 23c is formed across the width direction of the cartridge 10I on the rear side of the first ink chamber 23a and the second ink chamber 23b. The third ink supply port 24c is formed at a substantially central position in the direction of the arrow X below the third ink chamber 23c. Similar to the first ink chamber 23a and the second ink chamber 23b, a first ink holding member 31 (not shown) and a second ink holding member 32 are accommodated in the third ink chamber 23c. A central portion of the second ink holding member 32 of the third ink chamber 23c is exposed to the outside through the third ink supply port 24c. A region CP where the second ink holding member 32 comes into contact with the tip of the third ink introducing portion of the holder portion via the third ink supply port 24c corresponds to the third liquid supply portion.

  The groove 25 extends in parallel with the direction of the arrow Y to the position before the third ink chamber 23c between the first ink supply port 24a and the second ink supply port 24b. The third ink supply port 24c is located at a position where the groove 25 is extended in the direction opposite to the arrow Y. A film-like member 40 similar to that described in the first embodiment is disposed in the opening of the groove 25. In the groove portion 25, instead of the membrane member 40 of the first embodiment, the membrane members 40A and 40B of the second embodiment or the third embodiment, or the rotating door portion 42 of the fourth embodiment, the fifth. The bias closing mechanism 43 of the embodiment, the lid member 43c and the rail portion 43r of the sixth embodiment, the filling member 44 of the seventh embodiment, the cap member 45 of the eighth embodiment, and the fitting member 46 of the ninth embodiment. Either may be applied. A groove 25 extending in parallel with the direction of the arrow X may be provided between the third ink chamber 23c and the first ink chamber 23a and the second ink chamber 23b. In this case, the above-described arrangement member may be arranged also for the groove portion 25 extending in the direction of the arrow X.

  As described above, even in the cartridge 10I according to the tenth embodiment, the various arrangement members including the film-like member 40 are arranged in the groove portion 25, thereby suppressing the entry of foreign matter into the groove portion 25. The Therefore, it is suppressed that the mounting stability with respect to the holder portion is impaired due to the foreign matter. In addition, the cartridge 10I according to the tenth embodiment can achieve the same effects as the cartridge 10 according to the first embodiment.

K. Eleventh embodiment:
FIG. 17 is a schematic bottom perspective view showing the configuration of the cartridge 10J as the eleventh embodiment of the present invention. In FIG. 17, a region where the ink chambers 23a to 23d are formed on the bottom surface 11 of the cartridge 10J is indicated by a one-dot chain line. The cartridge 10J of the eleventh embodiment is the same as that of the first embodiment except that a third ink chamber 23c, a fourth ink chamber 23d, a third ink supply port 24c, and a fourth ink supply port 24d are added. It has substantially the same configuration as the cartridge 10 of the embodiment. The holder portion to which the cartridge 10J of the eleventh embodiment is mounted has substantially the same configuration as the holder portion 50 of the first embodiment except that a third ink introduction portion and a fourth ink introduction portion are added. (Illustration omitted).

  The third ink chamber 23c and the fourth ink chamber 23d are arranged in the direction of the arrow X. The third ink chamber 23c is located on the rear side of the first ink chamber 23a, and the fourth ink chamber 23d is located on the rear side of the second ink chamber 23b. The third ink supply port 24c is formed below the third ink chamber 23c, and the fourth ink supply port 24d is formed below the fourth ink chamber 23d.

  Similar to the first ink chamber 23a and the second ink chamber 23b, a first ink holding member 31 (not shown) and a second ink holding member are provided in the third ink chamber 23c and the fourth ink chamber 23d, respectively. 32 is accommodated. The central portions of the second ink holding member 32 of the third ink chamber 23c and the fourth ink chamber 23d are exposed to the outside through the third ink supply port 24c or the fourth ink supply port 24d, respectively. A region CP where the second ink holding member 32 comes into contact with the tip of the third ink introduction portion of the holder portion via the third ink supply port 24c corresponds to the third liquid supply portion. A region CP in which the second ink holding member 32 comes into contact with the tip of the fourth ink introduction portion of the holder portion via the fourth ink supply port 24d corresponds to the fourth liquid supply portion.

  The groove 25 extends in parallel with the direction of the arrow Y between the first ink supply port 24a and the second ink supply port 24b and between the third ink supply port 24c and the fourth ink supply port 24d. A film-like member 40 similar to that described in the first embodiment is disposed in the opening of the groove 25. In the groove portion 25, instead of the membrane member 40 of the first embodiment, the membrane members 40A and 40B of the second embodiment or the third embodiment, or the rotating door portion 42 of the fourth embodiment, the fifth. The bias closing mechanism 43 of the embodiment, the lid member 43c and the rail portion 43r of the sixth embodiment, the filling member 44 of the seventh embodiment, the cap member 45 of the eighth embodiment, and the fitting member 46 of the ninth embodiment. Either may be applied. Note that a groove 25 extending parallel to the direction of the arrow X may be provided between the first ink chamber 23a and the third ink chamber 23c, or between the second ink chamber 23b and the fourth ink chamber 23d. good. In this case, the above-described arrangement member may be arranged also for the groove portion 25 extending in parallel with the direction of the arrow X.

  As described above, even in the cartridge 10J of the eleventh embodiment, the various arrangement members including the film-like member 40 are arranged in the groove portion 25, thereby suppressing the entry of foreign matter into the groove portion 25. The Therefore, it is suppressed that the mounting stability with respect to the holder portion is impaired due to the foreign matter. In addition, the cartridge 10J of the eleventh embodiment can achieve the same effects as the cartridge 10 of the first embodiment.

L. Twelfth embodiment:
The configuration of the cartridge 10K according to the twelfth embodiment will be described with reference to FIGS. FIG. 18 is a schematic upper perspective view showing the cartridge 10K of the twelfth embodiment and the holder portion 50 to which the cartridge 10K is mounted. FIG. 19 is a schematic cross-sectional view of the cartridge 10K and the holder unit 50 at a position corresponding to BB cutting shown in FIG. FIG. 19 illustrates a state in which the cartridge 10K is mounted on the holder unit 50. The cartridge 10K according to the twelfth embodiment has substantially the same configuration as the cartridge 10 according to the first embodiment, except that the cartridge 10K is configured to be able to continuously supply ink from the outside. The cartridge 10K of the twelfth embodiment can be mounted on the same holder portion 50 as described in the first embodiment.

  In the cartridge 10K of the twelfth embodiment, a first ink introduction hole 34a, which is a through hole for enabling the introduction of ink into the first ink chamber 23a, is provided above the first ink chamber 23a (see FIG. 18). Similarly, a second ink introduction hole 34b is provided above the second ink chamber 23b. A flexible tube 39 through which ink supplied from an external ink supply source (not shown) flows is attached to each of the first ink introduction hole 34a and the second ink introduction hole 34b.

  In the cartridge 10K of the twelfth embodiment, the first ink chamber 23a is divided into two spaces 28 and 29 arranged in the direction of arrow Y by the internal partition wall 27 (FIG. 19). The first space 28 is located above the first ink supply port 24a, and the first ink holding member 31 and the second ink holding member 32 are disposed therein. Hereinafter, the first space 28 is also referred to as “ink holding portion 28”. The second space 29 is located below the first ink introduction hole 34a and stores the ink introduced from the first ink introduction hole 34a. Hereinafter, the second space 29 is also referred to as “ink reservoir 29”. The ink holding unit 28 and the ink storage unit 29 are connected via a communication hole 27p provided in the internal partition wall 27.

  Ink supplied from the outside via the tube 39 is stored in the ink storage unit 29. The ink in the ink storage part 29 is absorbed and held by the first ink holding member 31 of the ink holding part 28 through the communication hole 27p. The ink held by the first ink holding member 31 flows into the first ink introduction part 61 a of the holder part 50 through the second ink holding member 32. In the cartridge 10K of the twelfth embodiment, the second ink chamber 23b is also divided into an ink holding portion 28 and an ink storage portion 29 (not shown) as in the first ink chamber 23a. In the second ink chamber 23b as well, ink is supplied to the second ink introducing portion 61b of the holder portion 50 through the same ink path as that of the first ink chamber 23a.

  In the cartridge 10K of the twelfth embodiment, as in the cartridge 10 of the first embodiment, the film-like member 40 is disposed at the opening of the groove 25 between the first ink supply port 24a and the second ink supply port 24b. ing. As a result, in the cartridge 10K of the twelfth embodiment as well, as in the cartridge 10 of the first embodiment, the entry of foreign matter into the groove 25 is suppressed, and mounting to the holder portion 50 due to the foreign matter is stable. It is suppressed that the property is impaired. In addition, the cartridge 10K according to the twelfth embodiment can achieve the same effects as those described in the first embodiment.

M. Variation:
M1. Modification 1:
A configuration of a cartridge as a modification will be described with reference to FIGS. 20 to 22 show cartridges 10a to 10c as modified examples, respectively. 20 to 22, the cartridges 10 a to 10 c when viewed in the direction opposite to the arrow X are illustrated in the upper stage, and the cartridges 10 a to 10 c when viewed in the direction of the arrow Z are illustrated in the lower stage. That is, in FIGS. 20 to 22, side views of the cartridges 10 a to 10 c are illustrated in the upper stage, and bottom views of the cartridges 10 a to 10 c are illustrated in the lower stage. In FIGS. 20 to 22, the same reference numerals are given to components common to those described in the above embodiments. The cartridges 10, 10 </ b> A to 10 </ b> K of the above embodiments have a substantially rectangular parallelepiped shape and have six wall surfaces 11 to 16. In contrast, the cartridge according to the embodiment of the present invention may not have a substantially rectangular parallelepiped shape, and may not have wall surfaces corresponding to the six wall surfaces 11 to 16. For example, as in the cartridge 10a of FIG. 20, the main body portion in which the ink chamber is formed may be formed in a substantially ellipsoidal shape. Alternatively, as in the cartridge 10b of FIG. 21, the main body portion may have a configuration in which a substantially hemispherical dome portion is provided at both ends of a substantially cylindrical cylinder portion. Like the cartridge 10c of FIG. 22, the main body may be configured as a polyhedron having wall surfaces irregularly arranged. The outer shape of the cartridge may be configured to be appropriately deformable by configuring its outer wall with a flexible member. In addition, in the cartridges 10, 10A to 10K of the above-described embodiments, the wall surfaces 11 to 16 may not have a flat surface or a smooth surface, and may have irregularities. Moreover, it does not need to extend in a substantially planar shape, and there may be a cut or a tear. Each of the wall surfaces 11 to 16 may be bent in a substantially curved shape. In addition, for example, the front surface 13 and the left side surface 15 may be adjacent to each other while forming a continuous curved surface without intersecting, or the front surface 13 and the left side surface 15 may be adjacent to each other across a minute chamfer. May be next to each other.

M2. Modification 2:
In each of the above embodiments, the holder portion 50 has the partition wall 62 as a protruding portion provided between the first ink introduction portion 61a and the second ink introduction portion 61b. Further, the cartridges 10, 10 </ b> A to 10 </ b> K of the embodiments have the groove portion 25 as a space forming portion that forms a space in which the partition wall 62 can be inserted. On the other hand, the holder part 50 may have a protruding part other than the wall part such as the partition wall 62 as a protruding part between the first ink introducing part 61a and the second ink introducing part 61b. Further, the cartridges 10, 10 </ b> A to 10 </ b> K of each embodiment may have a constituent part other than the groove part 25 as a space forming part that forms a space in which the protruding part can be inserted. For example, the holder part 50 may have a plurality of columnar protrusions arranged in a row as a protrusion between the first ink introduction part 61a and the second ink introduction part 61b. In this case, each of the cartridges 10 and 10A to 10K according to each embodiment may have a groove extending as a space forming portion so as to be able to accommodate each protrusion, or a corresponding one of the plurality of protrusions. A plurality of bottomed holes that can accommodate one of them may be provided. In each of the above embodiments, the partition wall 62 extends substantially linearly in the direction of the arrow Y, but the partition wall 62 may be curved or bent. In this case, each of the cartridges 10, 10A to 10K according to the embodiments may have a groove portion that is curved or bent in accordance with the shape of the partition wall as the space forming portion. You may have the recessed part which has the size which can accommodate the whole as a space formation part.

M3. Modification 3:
The cartridges 10, 10 </ b> A to 10 </ b> K of each of the above embodiments are arranged members that are arranged at positions that overlap the space in the groove 25 when viewed in the direction in which the partition wall 62 is inserted into the groove 25 (the direction of the arrow Z). , Membrane members 40, 40A, 40B (first to third embodiments), a rotating door portion 42 (fourth embodiment), a biasing closing mechanism 43 (fifth embodiment), a lid member 43c, and The rail part 43r (6th Embodiment), the filling member 44 (7th Embodiment), the cap member 45 (8th Embodiment), and the fitting member 46 (9th Embodiment) are provided. On the other hand, the cartridges 10, 10 </ b> A to 10 </ b> K according to the above embodiments may be arranged at positions where other arrangement members overlap the space in the groove portion 25 instead of the arrangement members. The arrangement member does not need to close the opening of the groove 25, and may be constituted by, for example, a plate-like or bar-like member arranged only in a part of the region in the opening of the groove 25, You may be comprised by the mesh-shaped member arrange | positioned so that the whole opening part of the groove part 25 may be covered. For example, the arrangement member may have a configuration in which a part of the film-like member 40 of the first embodiment is omitted, and one end of the film-like member 40 in the direction of the arrow X is the groove 25. The structure which has not reached | attained the opening edge part of this may be sufficient. Moreover, the structure by which any one of the 1st door part 42a of 4th Embodiment and the 2nd door part 42b was abbreviate | omitted may be sufficient. The disposing member may not be disposed in the opening of the groove 25 or the space in the groove 25. The arrangement member may be constituted by, for example, a plate-like or film-like member that is curved so as to protrude in the direction opposite to the arrow Z.

M4. Modification 4:
The holder part to which the cartridges 10, 10 </ b> A to 10 </ b> K of the above embodiments are mounted may have a configuration other than the holder part 50 described in the first embodiment. For example, at least one of the mounting mechanisms for the cartridges 10, 10 to 10K such as the rotation mechanism 58, the fitting holes 59a and 59b, and the urging mechanism 63 may be omitted. In addition to or in place of these mounting mechanisms, other mounting mechanisms may be provided. For example, the holder portion may include a mounting mechanism that fits and holds the cartridge by a wall portion that is in close contact with the outer wall of the cartridge.

M5. Modification 5:
The cartridges 10, 10 </ b> A to 10 </ b> K according to the above embodiments include two or more ink supply ports 24 a to 24 d. In contrast, the cartridge includes only one ink supply port, and a recess that forms a space in which a protruding portion for protecting the ink introduction portion of the holder portion can be inserted at a position adjacent to the ink supply port. You may provide as a space formation part.

M6. Modification 6:
In each of the above embodiments, the configuration of an ink cartridge mounted on a printer is described as the liquid supply unit of the present invention. On the other hand, the liquid supply unit of the present invention may be realized by an aspect other than the ink cartridge. The liquid supply unit of the present invention may be configured, for example, as a cleaning liquid supply cassette that supplies a cleaning liquid to a high-pressure cleaning machine that injects a liquid such as a cleaning liquid onto a target to be cleaned.

  The present invention is not limited to the above-described embodiments, examples, and modifications, and can be realized with various configurations without departing from the spirit thereof. For example, the technical features in the embodiments, examples, and modifications corresponding to the technical features in each embodiment described in the summary section of the invention are to solve some or all of the above-described problems, or In order to achieve part or all of the above effects, replacement or combination can be performed as appropriate. Further, if the technical feature is not described as essential in the present specification, it can be deleted as appropriate.

10, 10A to 10K, 10a to 10c ... cartridge 11 ... bottom surface 12 ... upper surface 13 ... front surface 14 ... rear surface 15 ... left side surface 16 ... right side surface 21 ... main body container 22 ... lid portions 23a-23d ... ink chambers 24a-24d ... ink Supply port 25 ... groove 27 ... internal partition wall 27p ... communication hole 28 ... ink holding part 29 ... ink storage part 31 ... first ink holding member 32 ... second ink holding members 34a, 34b ... ink introduction holes 35a, 35b ... through holes 36 ... main engagement portion 36u ... upper surface 36d ... lower surface 37 ... circuit boards 38a, 38b ... projections 39 ... tube 40, 40A, 40B ... membrane-like member 40d ... perforation 41 ... adhesive portion 42 ... rotating door portion 42a ... 1st door part 42b ... 2nd door part 43 ... Energizing closure mechanism 43c ... Lid member 43s ... Elastic member 43r ... Rail part 44 ... Filling member 45 ... Cap member 45a ... Main-body part 4 b ... Lid 46 ... Fitting member 50 ... Holder 51 ... Bottom wall 53 ... Front wall 54 ... Rear wall 55 ... Left wall 56 ... Right wall 58 ... Engagement mechanism 59a, 59b ... Fitting hole 60 ... cartridge housing chambers 61a to 61d ... ink introduction part 61p ... ink flow path 62 ... partition wall 62u ... upper end surface 63 ... biasing mechanism 64 ... connector unit 64t ... terminal 70 ... print head

Claims (16)

A first liquid introduction section and a second liquid introduction section which are capable of introducing a liquid, and located between the first liquid introduction section and the second liquid introduction section; and the first liquid introduction section and the second liquid introduction section. A liquid supply unit that can be attached to a liquid ejecting apparatus having a protruding portion that protrudes from the portion,
A first liquid supply section capable of contacting the first liquid introduction section;
A second liquid supply part capable of contacting the second liquid introduction part;
A space forming portion that is provided between the first liquid supply portion and the second liquid supply portion and forms a space into which the protrusion can be inserted;
An arrangement member arranged at a position overlapping with at least a part of the space when viewed in the insertion direction of the protrusion into the space;
A liquid supply unit comprising: The liquid supply unit according to claim 1,
The arrangement member is a liquid supply unit having a portion that is pushed into the space by the protrusion when the liquid supply unit is mounted on the liquid ejecting apparatus. The liquid supply unit according to claim 1 or 2, further comprising:
A liquid supply unit, comprising: an elastic member that is arranged in the space and supports the arrangement member while urging the arrangement member in the insertion direction of the protrusion. The liquid supply unit according to claim 1 or 2,
The arrangement member is a liquid supply unit, which is a film-like member that is broken by the protrusion when the liquid supply unit is attached to the liquid ejecting apparatus. The liquid supply unit according to claim 1 or 2,
The arrangement member is accommodated in the space, and when the liquid supply unit is attached to the liquid ejecting apparatus, the arrangement member moves to a deep position in the space by being pressed by the protrusion. Liquid supply unit. The liquid supply unit according to claim 1,
The arrangement member is a liquid supply unit which is a film-like member arranged to be peelable from the liquid supply unit. The liquid supply unit according to claim 1,
The arrangement member is a liquid supply unit that is a lid member that is detachably attached to an entrance of the space. The liquid supply unit according to claim 1,
The liquid supply unit, wherein the arrangement member is fitted into the space in a state where the arrangement member can be removed from the space. A first liquid introduction unit capable of introducing a liquid, a second liquid introduction unit, a third liquid introduction unit, and the first liquid introduction unit and the second liquid introduction unit; A liquid supply unit attachable to a liquid ejecting apparatus having an introduction part and a protruding part protruding from the second liquid introduction part,
A first liquid supply section capable of contacting the first liquid introduction section;
A second liquid supply part capable of contacting the second liquid introduction part;
A third liquid supply part capable of contacting the third liquid introduction part;
A space forming portion that is provided between the first liquid supply portion and the second liquid supply portion and forms a space into which the protrusion can be inserted;
An arrangement member arranged so as to overlap with at least a part of the space when viewed in the insertion direction of the protrusion into the space;
A liquid supply unit comprising: The liquid supply unit according to claim 1,
The arrangement member is a liquid supply unit having a portion that is pushed into the space by the protrusion when the liquid supply unit is mounted on the liquid ejecting apparatus. The liquid supply unit according to claim 1 or 10, further comprising:
A liquid supply unit, comprising: an elastic member that is arranged in the space and supports the arrangement member while urging the arrangement member in the insertion direction of the protrusion. The liquid supply unit according to claim 1 or 10,
The arrangement member is a liquid supply unit, which is a film-like member that is broken by the protrusion when the liquid supply unit is attached to the liquid ejecting apparatus. The liquid supply unit according to claim 1 or 10,
The arrangement member is accommodated in the space, and when the liquid supply unit is attached to the liquid ejecting apparatus, the arrangement member moves to a deep position in the space by being pressed by the protrusion. Liquid supply unit. The liquid supply unit according to claim 1,
The arrangement member is a liquid supply unit which is a film-like member arranged to be peelable from the liquid supply unit. The liquid supply unit according to claim 1,
The arrangement member is a liquid supply unit that is a lid member that is detachably attached to an entrance of the space. The liquid supply unit according to claim 1,
The liquid supply unit, wherein the arrangement member is fitted into the space in a state where the arrangement member can be removed from the space.

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