JP2019043151A - Liquid injection device - Google Patents

Abstract

A waste liquid container and a liquid ejecting apparatus capable of suppressing adherence of waste liquid are provided. A waste liquid storage body (60) has side walls (63, 64) and a bottom wall that form a waste liquid storage chamber, and the waste liquid received by a waste liquid receiving part (60) when entering a mounting chamber (41) as it moves in an insertion direction. A waste liquid storage container 61 having a waste liquid introduction port 67a that opens in the insertion direction in a manner that allows introduction of and a circuit board 82 having connection terminals 82a electrically connected to the board connection part 43 as it moves in the connection direction M in the mounting chamber 41. Prepare. The waste liquid introduction part 81 is provided on a wall portion 65 intersecting the side walls 63 and 64 and the bottom wall of the waste liquid storage container 61, and the connection terminal 82a is provided on the side wall 63 different from the wall and ceiling portions of the waste liquid storage container 61. . [Selection drawing] Fig. 13

Description

  The present invention relates to a waste liquid container for containing waste liquid and a liquid ejecting apparatus to which the waste liquid container is attached.

  As an example of a liquid ejecting apparatus, there is an ink jet recording apparatus which discharges ink as a waste liquid from a recording head to prevent or eliminate a jetting failure and stores the waste liquid in a waste ink storage unit (for example, Patent Document 1) .

JP 2004-42442 A

  When a waste ink storage unit for storing waste liquid is replaced by a replaceable cartridge type waste liquid container, when a circuit board for storing the storage amount etc. is attached to the waste liquid container, the replacement time of the waste liquid container is managed It becomes easy to do. However, when the connection terminal of the circuit board is exposed on the outer surface of the waste liquid container, the waste liquid adheres to the connection terminal, which causes a problem that a connection failure with respect to the board connection portion on the device side occurs.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a waste liquid container and a liquid ejecting apparatus capable of suppressing the adhesion of waste liquid.

  The waste liquid container for solving the above problems includes a liquid jet head for jetting a liquid, a waste liquid receiving unit for receiving the liquid jetted by the liquid jet head as a waste liquid, and the liquid discharged as a waste liquid from the liquid jet head A waste liquid container detachably mounted on the mounting chamber of the liquid ejecting apparatus, including: a discharge unit for discharging the substrate; a substrate connection unit; and a mounting chamber in which the discharge unit and the substrate connection unit are provided. And having a side wall and a bottom wall forming a waste liquid storage chamber for containing the waste liquid, and being capable of introducing the waste liquid received by the waste liquid receiving portion when entering the mounting chamber along with movement in the insertion direction. The waste liquid storage container is provided in the ceiling portion of the waste liquid storage chamber with a waste liquid inlet opening in the insertion direction in the above-mentioned insertion direction, and the movement in the connecting direction different from the insertion direction in the mounting chamber. A waste liquid introducing part connected to the discharge part, and a circuit board having a connection terminal electrically connected to the substrate connecting part along with the movement in the connecting direction in the mounting chamber; The introduction portion is provided on a wall portion intersecting the side wall and the bottom wall of the waste liquid storage container, and the connection terminal is provided on the side wall different from the wall portion and the ceiling portion of the waste liquid storage container.

FIG. 2 is a perspective view of an embodiment of a liquid ejection device. FIG. 2 is a schematic view showing a planar configuration in a housing provided in the liquid ejecting apparatus of FIG. 1. FIG. 2 is a perspective view showing how the waste liquid container is attached to the liquid ejecting apparatus of FIG. 1; The perspective view which looked at the structure of FIG. 3 from another angle. FIG. 2 is an exploded perspective view showing a part of the internal configuration of the liquid ejecting apparatus of FIG. 1; The disassembled perspective view which looked at the structure of FIG. 5 from another angle. The left view of one embodiment of a waste fluid container. The bottom view of the waste fluid container of FIG. The right view of the waste fluid container of FIG. The disassembled perspective view of the waste fluid container of FIG. The disassembled perspective view which shows the structure of a waste-liquid transmission part and a waste-liquid inlet. FIG. 2 is a cross-sectional view of a waste liquid container mounted on the liquid ejecting apparatus of FIG. 1. The top view of a mounting | wearing chamber and a waste fluid container. The perspective view of the waste fluid container of FIG. The front view of the waste fluid container of FIG. The rear view of the waste fluid container of FIG.

  Hereinafter, embodiments of the liquid ejecting apparatus and the waste liquid container will be described with reference to the drawings. The liquid ejecting apparatus is, for example, an ink jet printer that performs recording (printing) by ejecting ink, which is an example of liquid, onto a medium such as paper. The waste liquid container contains, for example, waste ink discharged from the printer as waste liquid.

  As shown in FIG. 1, the liquid ejecting apparatus 11 is rotatably attached to the box 12, the upper lid 13 rotatably attached to the case 12, and the upper lid 13 similarly to the case 12. And a front lid 14. The upper lid 13 and the front lid 14 are disposed at a closed position overlapping the housing 12 and an open position shown in FIG. 1 by being rotated to a predetermined angle.

  When the upper lid 13 is disposed in the open position, the insertion port 15 for inserting the medium S into the housing 12 is exposed. The upper lid 13 disposed in the open position functions as a support member for supporting the medium S inserted into the insertion port 15.

  When the front lid 14 is disposed in the open position, the discharge port 16 for discharging the medium S from the inside of the housing 12 is exposed. The front lid 14 disposed in the open position functions as a support member for receiving the medium S discharged from the discharge port 16.

  In the housing 12, the outer wall in which the insertion opening 15 is opened is the upper wall 21, the outer wall disposed substantially parallel to the upper wall 21 is the bottom wall 22, and the outer wall in which the discharge port 16 is open is the front wall. The outer wall disposed substantially parallel to the portion 23 and the front wall 23 is referred to as a rear wall 24. Further, in the housing 12, a pair of outer walls intersecting the upper wall 21, the bottom wall 22, the front wall 23, and the rear wall 24 will be referred to as side walls 25 and 26. In the housing 12, the upper wall 21 side may be referred to as the top surface side, and the bottom wall 22 side may be referred to as the bottom surface side.

  An operation unit 17 for operating the liquid ejecting apparatus 11, an operation result of the operation unit 17, an operation state of the liquid ejecting apparatus 11, and the like are displayed on the surface side (top surface side) of the upper wall 21. A display unit 18 is arranged. On the back surface side of the upper wall portion 21, for example, at a position near the front wall portion 23 and the side wall portion 25, a control unit 100 which controls various mechanisms provided in the liquid ejecting apparatus 11 is provided.

  As shown in FIG. 2, in the housing 12, a support member 27 having a medium support 27a, a liquid jet head 31 for jetting a liquid to the medium S supported by the medium support 27a, and a liquid jet A carriage 33 which holds the head 31 and moves back and forth is accommodated. The medium support portion 27a includes a plurality of protrusions for supporting the medium S conveyed along a conveyance path (indicated by a two-dot chain line in FIG. 2) extending from the insertion port 15 toward the discharge port 16. Further, a guide shaft 34 for guiding the movement of the carriage 33 is provided in the housing 12.

  The liquid jet head 31 has a plurality of nozzles 32 for jetting liquid as droplets. The liquid jet head 31 has a first end side (right end side in FIG. 2) in the longitudinal direction (left and right direction in FIG. 2) of the housing 12 as a home position, and a second end side in FIG. An outward movement toward the left end) and a return movement from the second end toward the home position are alternately performed.

  In the present embodiment, the direction in which the liquid jet head 31 jets the liquid is the jet direction, and the direction in which the medium S is conveyed from the insertion port 15 toward the discharge port 16 on the medium support 27a is the conveyance direction, the liquid jet head 31 The forward movement direction of is referred to as the scanning direction. In the present embodiment, the injection direction is vertically downward.

  The support member 27 has a receiving recess 27b recessed around the medium support 27a. The receiving recess 27b preferably contains a sheet 29 capable of absorbing a liquid. The sheet 29 is made of a non-woven fabric or a porous body, and is printed by the liquid jet head 31 toward the end of the medium S when performing borderless printing in which printing is performed without margins up to the edge of the medium S. Accepts droplets that have not been received by S. Thus, the receiving recess 27 b and the sheet 29 function as the waste liquid receiving unit 30 that receives the liquid jetted by the liquid jet head 31 as the waste liquid. The waste liquid received by the waste liquid receiving unit 30 is referred to as “injection waste liquid”.

  In the housing 12, a maintenance mechanism 35 for maintaining the liquid jet head 31 is disposed in the vicinity of the home position. The maintenance mechanism 35 includes a cap 36 disposed at a position corresponding to the home position, a suction mechanism 38 connected to the cap 36 via a suction tube 37, an elevating mechanism 39 for moving the cap 36 up and down, a liquid jet head And a wiping member 40 for wiping 31.

  The lifting mechanism 39 moves the cap 36 between the capping position and the retracted position closer to the bottom wall 22 than the capping position. When the cap 36 moves to the capping position when the liquid jet head 31 is at the home position, the cap 36 is in a state of forming a closed space where the nozzle 32 opens (state shown in FIG. 12), and suppresses drying of the nozzle 32 . Thus, forming a closed space in which the nozzle 32 is opened by the cap 36 is referred to as “capping”. When the power is turned off so as not to eject the liquid, the liquid ejecting head 31 moves to the home position, and the cap 36 moves to the capping position to perform capping. When the cap 36 moves from the capping position to the retracted position, the capping is released.

  The suction mechanism 38 is, for example, a suction pump made of a tube pump or the like that generates a suction force by moving an elastically deformable tube while pressing a pressing member such as a roller while collapsing. When the suction mechanism 38 is driven at the time of capping, the closed space is decompressed to a negative pressure. As a result, suction cleaning in which the liquid is discharged from the liquid jet head 31 through the nozzle 32 is performed. The suction cleaning is performed as a maintenance operation for eliminating the injection failure, for example, when the injection failure of the liquid occurs due to the mixture of air bubbles or the like.

  The wiping member 40 wipes foreign matter such as liquid adhering to the liquid jet head 31 after the liquid jet head 31 jets liquid, or after suction cleaning. The maintenance operation in which the wiping member 40 wipes the liquid jet head 31 in this manner is referred to as wiping.

  In addition, as a maintenance operation for eliminating the ejection failure, flushing may be performed in which the liquid ejection head 31 discharges the droplet toward the cap 36 or the waste liquid receiving unit 30 in the retracted position. The waste liquid discharged as waste liquid from the liquid jet head 31 along with suction cleaning, flushing, etc. and received by the cap 36 and discharged by driving the suction mechanism 38 is referred to as “suction waste liquid”.

  As shown in FIG. 3, the liquid ejecting apparatus 11 includes, on the bottom surface side of the housing 12, a mounting chamber 41 in which the waste liquid container 60 is detachably mounted, and a lid 19 that covers the mounting chamber 41. The waste liquid container 60 has a waste liquid storage container 61 for containing both the jetted waste liquid and the suction waste liquid. Inside the mounting chamber 41, a discharge unit 42 for discharging the suction waste liquid and a substrate connection unit 43 connected to the control unit 100 by a signal line (not shown) are provided.

  The waste liquid container 60 enters the mounting chamber 41 as it moves in the insertion direction N, and is mounted to the liquid ejecting apparatus 11 as it moves in the connecting direction M different from the insertion direction N in the mounting chamber 41. In the present embodiment, the insertion direction N is a direction from the bottom wall 22 toward the upper wall 21, and the connection direction M is a direction from the side wall 26 toward the side wall 25. The waste liquid container 60 mounted on the liquid ejecting apparatus 11 is released from the connection in the mounting chamber 41 in the direction opposite to the connection direction M (release direction), and is released in the opposite direction from the insertion direction N (extraction direction). With the movement to the out of the mounting chamber 41. It is preferable that the waste liquid container 60 be provided with a hook 66 a which can be used when moving the inside of the mounting chamber 41.

  In the mounting chamber 41, the insertion guide portion 44 for guiding the waste liquid container 60 moving in the insertion direction N, and the waste liquid body extending in the connection direction M from the end of the insertion guide portion 44 and moving in the connection direction M Mounting guide portions 45 and 46 for guiding 60 may be provided. In this case, the waste liquid container 60 includes a first engagement protrusion 68 engaged with the insertion guide portion 44 and the attachment guide portion 45 and a second engagement protrusion 69 engaged with the attachment guide portion 46. It is good to provide.

  The discharge portion 42 and the substrate connection portion 43 preferably protrude into the mounting chamber 41 so as to extend along the connection direction M. Further, in order to position the waste liquid container 60 to be connected, it is preferable to project a guide projection 47 extending along the connection direction M into the mounting chamber 41.

  It is preferable to project one or more waste liquid transfer parts 48 extending from the waste liquid receiving part 30 (see FIG. 2) into the mounting chamber 41. When a plurality (four in the present embodiment) of the waste liquid transfer parts 48 are provided, they may be arranged along the longitudinal direction of the mounting chamber 41 (the connection direction M in the present embodiment).

  As shown in FIG. 4, preferably, a locking portion 49 for locking the waste liquid storage container 61 is provided in the mounting chamber 41. The locking portion 49 can be, for example, a plate spring that protrudes into the mounting chamber 41. In this case, it is preferable that the locking portion 49 lock the waste liquid storage container 61 when the waste liquid storage container 61 that has entered the mounting chamber 41 moves in the connection direction M.

  As shown in FIG. 5, the mounting chamber 41 is disposed on the bottom side of the support member 27 and is formed of a box-like housing member 28 whose bottom side is open. Further, a slider 50 which can slide along the connection direction M is disposed between the support member 27 and the housing member 28. The slider 50 has a transmission protrusion 51 that protrudes toward the bottom side. The transmission protrusion 51 may be covered with an absorbent sheet 53 capable of absorbing a liquid.

  From the sheet 29, one or more (four in the present embodiment) extension portions 29a extending toward the bottom surface side are provided. A plurality of sliders 50 may be provided at positions corresponding to the extending portions 29 a so as to individually correspond to the extending portions 29 a. The support member 27 is provided with a through hole 27c for inserting the extending portion 29a, and the extending portion 29a is in contact with the transmission protrusion 51 of the slider 50 (the absorbing sheet 53 when there is the absorbing sheet 53) through the through hole 27c. Extended to

  The jetted waste liquid received by the sheet 29 flows down along the extending portion 29a and the absorbent sheet 53 (the transmission projection 51 when there is no absorbent sheet 53). Thus, the extension portion 29 a of the sheet 29, the absorption sheet 53, and the transmission protrusion 51 constitute a waste liquid transfer unit 48. An auxiliary member 54 may be provided to press the extension portion 29a toward the transmission projection 51 so that the extension portion 29a is not separated from the absorbing sheet 53 with the movement of the slider 50 (see FIG. 11 as well). ).

  As shown in FIG. 6, the slider 50 is preferably biased in the releasing direction by a biasing member 52 made of, for example, a spring. In this case, it is preferable to provide the slider 50 with a first locking portion 50a for locking one end of the biasing member 52, and provide the housing member 28 with a second locking portion 28a for locking the other end of the biasing member 52. . Further, it is preferable to provide the housing member 28 with a control protrusion 28b for controlling the movement of the slider 50 by the biasing force of the biasing member 52, and to provide the slider 50 with an engagement claw 50b engaged with the control protrusion 28b.

  The housing member 28 is provided with a through hole 28 c through which the waste liquid transfer unit 48 is inserted. The through holes 28 c are preferably formed to extend in the connection direction M so as to allow the movement of the waste fluid transfer portion 48 in accordance with the movement of the slider 50.

Next, the configuration of the waste liquid container 60 will be described in detail.
As shown in FIG. 7, the waste liquid container 60 includes a waste liquid introducing portion 81 for introducing a suction waste liquid, and a circuit board 82 having a connection terminal 82 a. The circuit board 82 is provided with a storage unit (not shown) that stores information such as the amount of waste liquid stored.

As shown in FIGS. 7-9, the waste liquid container 60 has good operability if the moving directions (insertion direction N, connection direction M and release direction) accompanying the attachment and detachment are illustrated by arrows.
As shown in FIG. 10, the waste liquid storage container 61 of the waste liquid container 60 has a bottom wall 62 forming the waste liquid storage chamber 61a for containing waste liquid, side walls 63 and 64, and wall portions 65 and 66, and a waste liquid storage chamber. It has a lid 67 forming a ceiling portion of 61a. The side walls 63, 64 extend substantially parallel and in the insertion direction N and the connection direction M.

  The circuit board 82 is preferably accommodated in a recess 83 provided on the side wall 63 extending in the connection direction M of the waste liquid storage container 61 and opened in the connection direction M. Further, in the concave portion 83, a guide convex portion 83a extending in the connection direction M may be provided. The inner wall extending in the connection direction M of the recess 83 to which the circuit board 82 is attached constitutes a part of the side wall 63.

  The waste liquid introducing portion 81 is provided on a wall portion 65 intersecting the side walls 63 and 64 and the bottom wall 62 of the waste liquid storage container 61. The waste liquid introducing portion 81 is constituted of, for example, a through hole 65a provided in the wall portion 65, an annular seal member 81a surrounding the through hole 65a, and an annular member 81b holding the seal member 81a.

  The waste liquid container 60 preferably includes an absorbing member 70 capable of absorbing the waste liquid stored in the waste liquid storage chamber 61a. As the absorbing member 70, it is preferable to provide a first absorbing member 70F for absorbing the jetted waste liquid and a second absorbing member 70S for absorbing the suctioned waste liquid. Furthermore, it is preferable to arrange the shielding sheet 71 which suppresses the flow of the liquid between the first absorbing member 70F and the second absorbing member 70S. The size and number of the absorbing members 70 (70F, 70S) can be changed according to the discharge amount of the waste liquid to be absorbed. For example, in the present embodiment, four second absorbing members 70S are provided in a plate shape, and are layered so as to form layers sequentially from the bottom wall 62 side.

  The waste liquid storage container 61 is provided with a locking projection 61b projecting from the bottom wall 62 into the waste liquid storage chamber 61a, and a locking projection 61c projecting from the side wall 63, 64 and the wall 66 into the waste liquid storage chamber 61a. It is good. In this case, the second absorption member 70S is inserted in the cuts 70b and 70c respectively engaged with the locking projections 61b and 61c, and the locking projections 61b and 61c are respectively inserted in the cuts 70b and 70c. When the member 70S is stored in the waste liquid storage chamber 61a, the movement of the second absorbing member 70S in the waste liquid storage chamber 61a is suppressed. Further, a cut is made in the shielding sheet 71 to raise the section 71d, and a cut 70d engaged with the section 71d is made in the first absorbing member 70F, and the section 71d is inserted in the cut 70d. And the shielding sheet 71 may be stored in the waste liquid storage chamber 61a.

  When the first absorbing member 70F and the shielding sheet 71 are arranged to be supported by the locking projections 61b and 61c when the shielding sheet 71 is stored in the waste liquid storage chamber 61a, the first absorbing member 70F that absorbs the waste liquid is its own weight Can be supported by the locking projections 61 b and 61 c so as not to sink downward. In the present embodiment, the step portion 65d is provided on the wall portion 65 of the waste liquid storage container 61, and the shielding sheet 71 is also supported by the step portion 65d (see also FIG. 12).

  The lid 67 forming the ceiling portion of the waste liquid storage chamber 61a is received by the waste liquid receiving portion 30 (see FIG. 6) when it enters the mounting chamber 41 (see FIG. 3) along with the movement in the insertion direction N. A waste liquid inlet 67a is provided which opens in the insertion direction N in such a manner that jetted waste liquid can be introduced (see also FIG. 12).

  The waste liquid storage container 61 of the present embodiment is provided with a plurality (four) of waste liquid inlets 67 a aligned in the connection direction M. Further, through holes 70a are formed in the first absorbing member 70F at positions corresponding to three of the four waste liquid inlets 67a. The remaining one waste liquid inlet 67a of the four waste liquid inlets 67a is disposed at a position corresponding to the end (the tip side in the connection direction M) of the first absorbing member 70F.

  As shown in FIG. 11, the lid 67 is attached in such a manner that the insertion protrusion 67d which can be inserted into the notch 70d of the first absorbing member 70F is protruded to the lid 67 and the insertion protrusion 67d is inserted into the notch 70d. Then, the movement of the shielding sheet 71 and the first absorbing member 70F can be suppressed. Further, when the lid 67 is formed into a box shape so as to enter the through hole 70a of the first absorbing member 70F and the projecting portion 67b opening in the releasing direction is recessed, the movement of the first absorbing member 70F is further suppressed. be able to. In FIG. 11, the main body portion of the sheet 29, the support member 27 and the housing member 28 are not shown.

  As shown by a two-dot chain line in FIG. 12, when the waste liquid container 60 moves in the insertion direction N and enters the mounting chamber 41, the waste liquid transfer unit 48 projecting to the mounting chamber 41 is provided in the waste liquid container 60. It enters into the box-like projection 67 b (into the recess). Then, when the waste liquid container 60 moves in the connection direction M in the mounting chamber 41 and reaches the position shown by the solid line in FIG. 12, the waste liquid transfer unit 48 comes out of the opening of the projection 67b and enters the waste liquid inlet 67a, Contact the first absorbing member 70F.

  That is, as the first absorption member 70F moves in the connection direction M in the mounting chamber 41, the first absorption member 70F contacts the waste liquid transfer unit 48. Accordingly, when the waste liquid receiving unit 30 receives the liquid jetted by the liquid jet head 31 as the waste liquid, the jetted waste liquid is stored in the waste liquid container 60 along the waste liquid transmitting unit 48.

  Further, when the waste liquid container 60 moves in the connection direction M in the mounting chamber 41, the waste liquid introducing unit 81 is connected to the discharging unit 42. That is, the waste liquid introduction unit 81 is connected to the discharge unit 42 along with the movement in the connection direction M in the mounting chamber 41. When the discharge part 42 is inserted into the waste liquid storage container 61, the second absorption member 70S located in the lower layer is cut to leave a space through which the waste liquid flows around and below the discharge part 42. A notch 70f may be provided.

  As shown in FIG. 13, a circuit board 82 having a connection terminal 82 a is provided in a recess 83 formed in a side wall 63 extending in the connection direction M of the waste liquid storage container 61, and extends in the connection direction M in the mounting chamber 41. It is electrically connected to the substrate connecting portion 43 as it moves. Thus, information on waste liquid and the like is exchanged between the circuit board 82 and the control unit 100 (see FIG. 3).

  The waste liquid storage container 61 preferably has an engaging portion 89 that engages with the locking portion 49 when moving in the connection direction M in the mounting chamber 41. The engaging portion 89 has, for example, a concavo-convex shape formed on a lid 67 constituting a ceiling portion of the waste liquid storage chamber 61a (see also FIG. 14).

  The waste liquid storage container 61 is preferably provided with a guide portion 87 which is guided by the guide projection 47 when moving in the connection direction M (see also FIG. 14). The guiding portion 87 in the present embodiment is a recessed portion provided in the wall portion 65, but a recessed portion, a projecting portion or a flat surface provided in the bottom wall 62, the side walls 63 and 64 or the lid 67 may be used as the guiding portion 87.

  In the waste liquid storage container 61, assuming that the direction in which the bottom wall 62 and the wall portion 65 extend is the width direction W, the waste liquid introduction portion 81 is preferably disposed between the guide portion 87 and the engagement portion 89 in the width direction W.

  As shown in FIGS. 14 and 15, in the waste liquid storage container 61, the waste liquid introduction portion 81, the connection terminal 82a and the guide portion 87 are preferably disposed at a position overlapping the virtual plane P extending along the bottom wall 62. That is, assuming that the length in the direction from the bottom wall 62 toward the lid 67 is a height, the waste liquid introduction portion 81, the connection terminal 82a and the guide portion 87 are set to the same height, as seen in the front view shown in FIG. It is preferable that the waste liquid introducing portion 81, the connection terminal 82a, and the guiding portion 87 be arranged in the width direction W.

  In particular, when the guide protrusion 47 (see FIG. 13) engages with the upper end of the guide portion 87 formed of a recess, the guide protrusion 47 engages with the guide protrusion 47 to make the waste container 60 Since the positioning in the height direction is performed, the positions of the waste liquid introducing portion 81 and the connection terminal 82a at the time of mounting can be set correctly.

  Further, as shown in FIG. 15, in the waste liquid storage container 61, when the connection terminal 82a is disposed between the bottom wall 62 and the engaging portion 89, the positioning in the height direction of the connection terminal 82a can be made more accurate. So preferred.

  As shown in FIG. 16, it is preferable that the hooking portion 66 a protrudes from the bottom wall 62 in a manner to extend in the release direction, and to protrude from the wall 66. In this way, the posture of the waste liquid storage body 60 can be stabilized when the bottom wall 62 is placed downward, and therefore, when the waste liquid is taken out, the waste liquid introduced in the lid 67 is introduced. Leakage of waste liquid from the waste liquid introducing portion 81 opened in the port 67 a or the wall portion 65 can be suppressed. In addition, by providing the hook portion 66a at a position close to the bottom wall 62, the ceiling side (lid 67 side) without the hook portion 66a and the bottom side (bottom wall 62) side with the hook portion 66a can be easily Can be distinguished.

  Furthermore, as shown in FIG. 3, FIG. 4 and FIG. 12, when the step 41a is provided in the mounting chamber 41, the hand hook 66a is in a state where the top and bottom of the waste liquid container 60 are reversed. Is caught on the step 41a, so that it is possible to prevent a mistake in inserting into the mounting chamber 41.

Next, the operation of the waste liquid container 60 and the liquid ejecting apparatus 11 configured as described above will be described.
In the waste liquid container 60, by separating the inside of the waste liquid storage chamber 61a by the shielding sheet 71, absorption of the suctioned waste liquid by the first absorbent member 70F of the upper layer is suppressed, and the suctioned waste liquid is the second absorbent member of the lower layer. It can be absorbed preferentially to 70S. Moreover, since the shielding sheet 71 suppresses the sinking of the first absorbing member 70F due to its own weight, the contact area of the waste liquid transfer unit 48 with the first absorbing member 70F can be stably secured.

  Here, since the mounting chamber 41 for accommodating the waste liquid container 60 in the liquid ejecting apparatus 11 is opened toward the bottom side of the housing 12, the housing 12 is turned over and the waste liquid container 60 is attached and detached. . Then, since the waste liquid inlet 67a and the waste liquid inlet 81 are opened in the waste liquid container 60, when the housing 12 is turned over with the waste liquid container 60 attached, the waste liquid inlet 67a or the waste liquid inlet 81 is lowered. There is a risk of facing (or obliquely downward). In that respect, by absorbing the waste liquid stored in the waste liquid container 60 into the absorbing member 70, leakage of waste liquid from the waste liquid inlet 67a and the waste liquid inlet 81 is suppressed.

  There are a plurality of waste solution inlets 67a, and it is necessary to secure a wide opening area to allow the waste solution inlet 81 to enter and leave, so the waste solution is particularly likely to leak. In this respect, in the present embodiment, since the recess (through hole 70a) through which the waste solution introducing portion 81 enters and exits is covered with the box-like projecting portion 67b, the opening area of the waste solution inlet 67a becomes small, and the leakage of waste solution is suppressed. Be done.

  Further, in the waste liquid storage body 60, the jetted waste liquid received by the waste liquid receiving unit 30 is transmitted to the waste liquid transmitting unit 48 and absorbed by the first absorbing member 70F in contact with the waste liquid transmitting unit 48. Scattering of waste liquid is suppressed. Therefore, the waste liquid hardly adheres to the connection terminal 82a, the inner wall of the mounting chamber 41 and the like. In addition, since the circuit board 82 is accommodated in the recess 83, even if the leaked waste fluid passes through the side wall 63, the waste fluid does not easily adhere to the connection terminal 82a.

  When the slider 50 is biased in the releasing direction by the biasing member 52, the waste fluid transfer portion 48 is pressed against the first absorbing member 70F in the waste fluid container 60 moving in the connection direction M in the mounting chamber 41. . Therefore, the waste liquid transfer unit 48 and the first absorbing member 70F can be reliably brought into contact with each other.

The waste liquid container 60 moved in the connection direction M in the mounting chamber 41 is maintained in the state of being mounted on the liquid ejecting apparatus 11 when the locking portion 49 is caught by the engaging portion 89.
Here, if there is a space in the width direction W in the mounting chamber 41, there is a possibility that the waste liquid storage body 60 may be inclined about the engaging portion 89, but the guide portion 87 is engaged with the guide protrusion 47. The inclination of the waste liquid storage body 60 can be suppressed by storing.

  Then, by disposing the waste liquid introducing part 81 between the guide part 87 and the engaging part 89 in the width direction W, the displacement of the waste liquid introducing part 81 caused by the inclination or the like of the waste liquid container 60 is suppressed. Thereby, the connection of the waste liquid introduction unit 81 to the discharge unit 42 can be maintained, and the leakage of the waste liquid can be suppressed. Further, by disposing the connection terminal 82a between the bottom wall 62 and the engaging portion 89, the displacement of the connection terminal 82a caused by the inclination of the waste liquid container 60 or the like is suppressed, so the substrate of the connection terminal 82a The connection to the connection 43 can be maintained.

According to the above embodiment, the following effects can be obtained.
Space for mounting the waste liquid (mounting chamber 41) rather than providing a fixed type waste liquid storage unit which can not be replaced in the housing 12 by detachably mounting the waste liquid container 60 to the liquid ejecting apparatus 11 Can be made smaller. Thereby, the liquid ejecting apparatus 11 can be miniaturized.

  However, when the waste liquid container 60 is replaceable, the waste liquid container 60 is detached during use, and the risk of the waste liquid adhering to the connection terminal 82a increases. Further, by providing the waste liquid inlet 67a and the waste liquid inlet 81 in the waste liquid container 60, both the jetted waste liquid and the suctioned waste liquid can be accommodated, but two openings for introducing the waste liquid into the waste liquid container 60 (waste liquid By providing the inlet 67a and the waste solution introducing portion 81), the risk of the waste solution leaking increases.

  In that respect, since the connection terminal 82a of the circuit board 82 is provided on the side wall 63 different from the lid 67 provided with the waste liquid inlet 67a and the wall 65 provided with the waste liquid inlet 81, the waste liquid does not easily adhere.

  The above embodiment may be modified as shown below. In addition, the configuration included in the above embodiment and the configuration included in the following modification may be arbitrarily combined, or the configurations included in the following modification may be combined arbitrarily.

  In the case where the sheet 29 is not disposed in the receiving recess 27b, waste liquid drips into the waste liquid inlet 67a through the through holes 27c and 28c without providing the waste liquid transfer unit 48, the slider 50, the absorption sheet 53, the auxiliary member 54 and the protrusion 67b. You may do it.

  The waste liquid transfer unit 48 may be, for example, another member in contact with the sheet 29. For example, a member for transmitting the liquid from the slider 50 may be extended toward the top surface side to be in contact with the sheet 29.

  The liquid jetted by the liquid jet head 31 is not limited to ink, and may be, for example, a liquid in which particles of a functional material are dispersed or mixed in the liquid. For example, recording is performed by ejecting a liquid material containing materials such as an electrode material and a coloring material (pixel material) used for manufacturing a liquid crystal display, an EL (electroluminescence) display, and a surface emitting display in the form of dispersion or dissolution. It may be configured.

  The medium S is not limited to paper, but may be a plastic film, a thin plate material, or the like, or a cloth used for a textile printing apparatus or the like. Further, the medium S may not be a single sheet cut into a predetermined size, and may be, for example, a roll-like medium wound in a cylindrical shape, or a garment having an arbitrary shape such as a T-shirt. They may be three-dimensional objects of any shape, such as dishes or stationery.

In the following, technical ideas and their effects and advantages which are grasped from the above-described embodiment and the modification will be described.
[Thought 1]
A liquid jet head for jetting a liquid, a waste liquid receiving unit for receiving the liquid jetted by the liquid jet head as a waste liquid, a discharge unit for discharging the liquid discharged as waste liquid from the liquid jet head, and a substrate connection unit And a mounting chamber in which the discharge unit and the substrate connection unit are provided. The waste liquid container is detachably mounted to the mounting chamber of the liquid ejecting apparatus,
A side wall and a bottom wall forming a waste liquid storage chamber for containing the waste liquid, and the waste liquid received by the waste liquid receiving portion can be introduced when entering the mounting chamber with movement in the insertion direction A waste liquid storage container provided with a waste liquid inlet opening in the insertion direction in a ceiling portion of the waste liquid storage chamber;
A waste liquid introducing unit connected to the discharge unit along with movement in a connecting direction different from the inserting direction in the mounting chamber;
A circuit board having a connection terminal electrically connected to the board connection portion in accordance with movement in the connection direction in the mounting chamber;
Equipped with
The waste solution introducing portion is provided on a wall portion intersecting the side wall and the bottom wall of the waste solution storage container,
The waste liquid container characterized in that the connection terminal is provided on the side wall different from the wall portion and the ceiling portion of the waste liquid storage container.

  According to the above [Consideration 1], the connection terminal of the circuit board is provided on the side wall of the waste liquid storage container which is different from the ceiling where the waste liquid inlet is provided and the wall where the waste liquid inlet is provided. Adhesion can be suppressed.

[Thought 2]
The waste liquid storage container according to [Thought 1], wherein the waste liquid storage container is provided with a plurality of the waste liquid inlets aligned in the connection direction.

According to the above [Thought 2], by arranging the plurality of waste liquid inlets in the connection direction, it is possible to store the waste liquid in a balanced manner in the waste liquid storage container.
[Thought 3]
A locking portion for locking the waste liquid storage container is provided in the mounting chamber,
The waste liquid storage container has an engagement portion in the ceiling portion that engages with the locking portion when moving in the connection direction in the mounting chamber,
In the waste liquid storage container, the connection terminal is disposed between the bottom wall and the engaging portion. The waste liquid container according to [Thought 1] or [Thought 2].

  According to the above [Thought 3], movement of the waste liquid storage container along the connecting direction is restricted by the engagement portion engaging with the locking portion. Then, even when the waste liquid storage container whose movement is restricted is inclined with the engaging portion as a fulcrum, the connection terminal is disposed between the bottom wall and the engaging portion, so displacement due to the inclination is small. Therefore, it is hard to produce the contact failure with respect to the board | substrate connection part of a connection terminal.

[Thought 4]
In the mounting chamber, a guide protrusion extending along the connection direction is projected;
The waste liquid storage container is provided with a guide portion which is guided by the guide protrusion when moving in the connection direction,
In the waste liquid storage container, assuming that a direction in which the bottom wall and the wall portion extend is a width direction, the waste liquid introduction portion is disposed between the guide portion and the engagement portion in the width direction. Waste container described in [Thought 3].

  According to the above [Thought 4], the waste liquid storage container is positioned in the mounting chamber by the guiding portion being guided by the guiding projection when moving in the connecting direction. Therefore, the waste liquid introduction part can be appropriately connected to the discharge part by arranging the waste liquid introduction part between the guide part serving as the positioning reference and the engaging part.

[Thought 5]
In the mounting chamber, a guide protrusion extending along the connection direction is projected;
The waste liquid storage container is provided with a guide portion which is guided by the guide protrusion when moving in the connection direction,
In the waste liquid storage container, the waste liquid introduction portion, the connection terminal, and the guide portion are disposed at positions overlapping with a virtual plane extending along the bottom wall. [Thought 1] to [Thought 4] The waste fluid container according to any one of the above.

  According to the above [Thought 5], the waste liquid storage container is positioned in the mounting chamber by the guiding portion being guided by the guiding projection when moving in the connecting direction. Therefore, by disposing the waste liquid introducing portion and the connection terminal on the same virtual plane as the guiding portion, it is possible to appropriately connect the discharging portion and the substrate connecting portion.

[Thought 6]
A waste fluid transfer portion extending from the waste fluid receiving portion protrudes into the mounting chamber,
And an absorbing member capable of absorbing the waste liquid stored in the waste liquid storage chamber;
The absorbing member is in contact with the waste liquid transfer unit in accordance with the movement in the connecting direction in the mounting chamber. The waste container according to any one of [Thought 1] to [Thought 5]. body.

  According to the above [Thought 6], by bringing the absorbing member into contact with the waste liquid transfer part, the waste liquid received by the waste liquid receiving part can be transmitted to the waste liquid transferring part and introduced into the waste liquid storage chamber to be absorbed by the absorbing member it can. As a result, the waste liquid introduced through the waste liquid inlet hardly scatters around, so adhesion of the waste liquid to the connection terminal and the substrate connection portion can be suppressed.

[Thought 7]
A liquid jet head that jets liquid,
A waste liquid receiving unit for receiving the liquid jetted by the liquid jet head as a waste liquid;
A discharge unit that discharges the liquid discharged as waste liquid from the liquid jet head;
Board connection,
A mounting chamber in which the discharge unit and the substrate connection unit are provided;
Equipped with
A liquid jet apparatus, wherein the waste liquid container according to any one of [Thought 1] to [Thought 6] is detachably mounted to the mounting chamber.

  According to the above [Thought 7], it is possible to suppress the adhesion of the waste liquid to the connection terminal of the waste liquid container mounted in the mounting chamber and the substrate connection portion. As a result, it is possible to suppress the occurrence of connection failure between the connection terminal and the substrate connection portion due to the adhesion of the waste liquid.

  DESCRIPTION OF SYMBOLS 11 ... Liquid injection apparatus, 12 ... Housing | casing 13 ... Top cover 14 ... Front cover 15 ... Insertion port 16 ... Discharge port 17 17 ... Operation part, 18 ... Display part, 19 ... Lid, 21 ... Top wall part, Reference Signs List 22 bottom wall portion 23 front wall portion 24 back wall portion 25 side wall portion 26 side wall portion 27 support member 27 a medium support portion 27 b receiving recess 27 c through hole 28 28: A second locking portion, 28b: a control projection, 28c: a through hole, 29: a sheet, 29a: an extension, 30: a waste liquid receiving portion, 31: a liquid jet head, 32: a nozzle, 33 ... Carriage 34 guide shaft 35 maintenance mechanism 36 liquid cap 36 cap 37 suction tube 38 suction mechanism 39 elevating mechanism 40 wiping member 41 mounting chamber 41a stage Part 42: Ejection part 43: Substrate connection part 44: Insertion guide , 45: mounting guide portion, 46: mounting guide portion, 47: guiding projection portion, 48: waste liquid transfer portion, 49: locking portion, 50: slider, 50a: first locking portion, 50b: engaging claw, 51 ... Transmission projection, 52 ... Biasing member, 53 ... Absorbing sheet, 54 ... Auxiliary member, 60 ... Waste liquid container, 61 ... Waste liquid storage container, 61 a ... Waste liquid storage chamber, 61 b ... Locking projection, 61 c ... Lock Projections 62: bottom wall, 63: side wall, 64: side wall, 65: wall portion, 65a: through hole, 65d: step portion, 66: wall portion, 66a: hand portion, 67: lid, 67a: waste liquid Introductory port, 67b: projection, 67d: insertion projection, 68: first engagement projection, 69: second engagement projection, 70: absorption member, 70a: through hole, 70b: cut, 70c: cut, 70d: notching, 70F: first absorbing member, 70f: notching, 70S: second absorbing member, 71: shielding Sheet, 71d: section, 81: waste liquid introduction part, 81a: sealing member, 81b: annular member, 82: circuit board, 82a: connection terminal, 83: recess, 83a: guide convex, 87: guide, 89: engagement Joint part, 100 ... control part, M ... connection direction, N ... insertion direction, P ... virtual plane, S ... medium, W ... width direction.

Claims (7)

A liquid jet head for jetting a liquid, a waste liquid receiving unit for receiving the liquid jetted by the liquid jet head as a waste liquid, a discharge unit for discharging the liquid discharged as waste liquid from the liquid jet head, and a substrate connection unit And a mounting chamber in which the discharge unit and the substrate connection unit are provided. The waste liquid container is detachably mounted to the mounting chamber of the liquid ejecting apparatus,
A side wall and a bottom wall forming a waste liquid storage chamber for containing the waste liquid, and the waste liquid received by the waste liquid receiving portion can be introduced when entering the mounting chamber with movement in the insertion direction A waste liquid storage container provided with a waste liquid inlet opening in the insertion direction in a ceiling portion of the waste liquid storage chamber;
A waste liquid introducing unit connected to the discharge unit along with movement in a connecting direction different from the inserting direction in the mounting chamber;
A circuit board having a connection terminal electrically connected to the board connection portion in accordance with movement in the connection direction in the mounting chamber;
Equipped with
The waste solution introducing portion is provided on a wall portion intersecting the side wall and the bottom wall of the waste solution storage container,
The waste liquid container characterized in that the connection terminal is provided on the side wall different from the wall portion and the ceiling portion of the waste liquid storage container. The waste liquid storage container according to claim 1, wherein the waste liquid storage container is provided with a plurality of the waste liquid inlets arranged in the connection direction. A locking portion for locking the waste liquid storage container is provided in the mounting chamber,
The waste liquid storage container has an engagement portion in the ceiling portion that engages with the locking portion when moving in the connection direction in the mounting chamber,
The waste liquid container according to claim 1 or 2, wherein the connection terminal is disposed between the bottom wall and the engagement portion in the waste liquid storage container. In the mounting chamber, a guide protrusion extending along the connection direction is projected;
The waste liquid storage container is provided with a guide portion which is guided by the guide protrusion when moving in the connection direction,
In the waste liquid storage container, assuming that a direction in which the bottom wall and the wall portion extend is a width direction, the waste liquid introduction portion is disposed between the guide portion and the engagement portion in the width direction. The waste fluid container according to claim 3. In the mounting chamber, a guide protrusion extending along the connection direction is projected;
The waste liquid storage container is provided with a guide portion which is guided by the guide protrusion when moving in the connection direction,
In the waste liquid storage container, the waste liquid introduction portion, the connection terminal, and the guide portion are disposed at a position overlapping an imaginary plane extending along the bottom wall. The waste fluid container according to any one of the preceding claims. A waste fluid transfer portion extending from the waste fluid receiving portion protrudes into the mounting chamber,
And an absorbing member capable of absorbing the waste liquid stored in the waste liquid storage chamber;
The waste liquid container according to any one of claims 1 to 5, wherein the absorbing member is in contact with the waste liquid transfer unit as the absorbing member moves in the connecting direction in the mounting chamber. A liquid jet head that jets liquid,
A waste liquid receiving unit for receiving the liquid jetted by the liquid jet head as a waste liquid;
A discharge unit that discharges the liquid discharged as waste liquid from the liquid jet head;
Board connection,
A mounting chamber in which the discharge unit and the substrate connection unit are provided;
Equipped with
A liquid ejecting apparatus characterized in that the waste liquid storage body according to any one of claims 1 to 6 is detachably mounted to the mounting chamber.