WO2014024458A1 - 液体収容体、液体消費装置、液体供給システム、液体収容体ユニット - Google Patents
液体収容体、液体消費装置、液体供給システム、液体収容体ユニット Download PDFInfo
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- WO2014024458A1 WO2014024458A1 PCT/JP2013/004712 JP2013004712W WO2014024458A1 WO 2014024458 A1 WO2014024458 A1 WO 2014024458A1 JP 2013004712 W JP2013004712 W JP 2013004712W WO 2014024458 A1 WO2014024458 A1 WO 2014024458A1
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- liquid
- ink
- liquid container
- container
- storage chamber
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17556—Means for regulating the pressure in the cartridge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17513—Inner structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/1752—Mounting within the printer
- B41J2/17523—Ink connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17553—Outer structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17566—Ink level or ink residue control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/02—Framework
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/12—Guards, shields or dust excluders
- B41J29/13—Cases or covers
Definitions
- the present invention relates to a liquid container, a liquid consuming device, a liquid supply system, and a liquid container unit.
- an ink jet recording apparatus including a main tank (liquid container) that stores ink (liquid) consumed by a recording head (liquid consuming unit, liquid ejecting head) is known (for example, Patent Document 1).
- the main tank includes an air communication hole (air intake) that can take outside air into the ink chamber when the amount of ink stored in the ink chamber decreases as the ink is consumed.
- the air communication hole is formed at an upper position in the vertical direction in the ink chamber in order to prevent the taken-in outside air from being dissolved in the ink.
- an ink jet recording apparatus including an ink tank (liquid container) that stores ink (liquid) consumed by an ejection head (liquid consumption unit) is known (for example, Patent Document 2).
- the ink tank is formed with an inlet (liquid inlet), and ink can be injected into the ink chamber from the inlet.
- ink jet recording apparatus liquid consuming apparatus
- a tank unit liquid container unit having a plurality of ink tanks (liquid containers) for storing ink (liquid) is detachably attached to a recording apparatus main body.
- the tank unit is attached to the recording apparatus main body when supplying ink to an ink jet head (liquid consumption unit) that performs printing (consumption) processing, whereas the tank unit is used to inject ink into each ink tank. It is detached from the main body.
- an ink jet recording apparatus including an ink tank (liquid container) that stores ink (liquid) consumed by an ejection head (liquid consumption unit) is known (for example, Patent Document 4).
- the ink tank is provided with a confirmation window (viewing surface) through which the position of the liquid level of the ink stored in the ink tank can be visually observed.
- the confirmation window further includes an upper limit line (upper limit scale) indicating the amount of ink that can be stored in the ink tank, and a lower limit line (lower limit scale) indicating that the ink stored in the ink tank is nearly empty. Is displayed so as to extend long in the horizontal direction.
- an ink jet recording apparatus including an ink tank (liquid container) that can store ink consumed by a liquid ejecting head (liquid consuming section) that ejects ink (liquid) is known.
- the ink tank in such an ink jet recording apparatus is provided with an air opening for opening the inside of the ink tank to the atmosphere in order to avoid pressure fluctuation in the ink tank due to, for example, a change in temperature environment.
- an ink jet recording apparatus including an ink tank that can store ink consumed by a recording head (liquid consumption unit) that ejects ink (liquid) is known.
- An example of the ink tank is an ink cartridge (liquid container) (see, for example, Patent Document 6).
- inks used in such an ink jet recording apparatus there are some inks such as pigment inks whose density is uneven with time. Therefore, in the ink cartridge in such an ink jet recording apparatus, an ink storage chamber (liquid storage chamber) that can store ink, an ink introduction port that can introduce ink into the ink storage chamber from the outside, and ink from the ink storage chamber An ink outlet (liquid outlet) that can be led out is provided on the ink jet recording apparatus side.
- a plurality of ribs having cutouts extend between the ink inlet and the ink outlet on the bottom surface of the ink storage chamber. That is, the ink introduced from the ink introduction port is derived from the ink outlet by mixing the thin ink passing above the rib and the dark ink passing through the notch.
- ink flows out from an ink chamber (liquid storage chamber) containing ink toward the liquid ejecting head side.
- the outlet is often provided at the bottom of the ink chamber (for example, Patent Document 7).
- the first object of the present invention is to provide a liquid container capable of stably supplying the liquid stored in the liquid storage chamber to the liquid consuming unit (liquid ejecting head) side, and a liquid consuming device including the liquid container, It is another object of the present invention to provide a liquid supply system including such a liquid consuming device and a liquid container.
- the second object of the present invention is to provide a liquid container capable of reducing the risk of the surroundings being contaminated by leaked liquid, and a liquid consuming device including the liquid container.
- a third object of the present invention is to provide a liquid container unit capable of improving the assemblability and a liquid consuming device including the liquid container unit.
- a fourth object of the present invention is to provide a liquid consuming device capable of improving the transportability and a liquid container unit for storing a liquid consumed by the liquid consuming device.
- a fifth object of the present invention is to provide a liquid container that allows a user to easily recognize the amount of liquid stored in the liquid container, and a liquid consuming device including the liquid container.
- a sixth object of the present invention is to provide a liquid container capable of easily injecting a liquid and a liquid consuming device including the liquid container.
- the air opening of the ink tank in the ink jet recording apparatus described in Patent Document 5 is sealed at the time of shipment of the product, but in order to make the printer usable, the ink tank When ink is injected into the inside, the sealed state is released and the state is opened to the atmosphere. For this reason, when an ink jet recording apparatus that is in a usable state with ink stored in the ink tank is transported, for example, when the ink tank is turned upside down, the ink tank is exposed to the outside through the atmosphere opening. There is a seventh problem that there is a risk of leakage.
- a seventh object of the present invention is to provide a liquid container capable of suppressing leakage of liquid contained therein through the atmosphere opening even when inverted, and liquid consumption provided with such a liquid container. To provide an apparatus.
- An eighth object of the present invention is to provide a liquid container that can easily eliminate the concentration deviation of the liquid stored in the liquid storage chamber, and a liquid consuming device including such a liquid container. is there.
- a ninth object of the present invention is to provide a liquid container capable of reducing the amount of liquid remaining at the bottom of the liquid storage chamber even in an inclined state, and a liquid consuming apparatus including such a liquid container. Is to provide.
- the liquid container that solves the first problem includes a liquid storage chamber that stores the liquid supplied to the liquid consumption unit that consumes the liquid via the tube, and the liquid stored in the liquid storage chamber.
- the fluctuation range of the liquid level is 5% or less of the third root of the accommodation amount.
- the size of the liquid storage chamber is preferably larger in width in the direction intersecting the vertical direction than in the vertical direction.
- the liquid storage chamber has a larger width in the direction intersecting the vertical direction than the height in the vertical direction, so that the width in the direction intersecting the vertical direction is smaller than the height in the vertical direction, The fluctuation of the liquid level with respect to the amount of liquid to be derived can be reduced.
- the height from the bottom surface in the vertical direction of the liquid storage chamber to the liquid inlet is preferably 70 mm or less. According to this configuration, the height from the bottom surface to the liquid inlet can be suppressed by setting the height from the bottom surface to the liquid inlet to be 70 mm or less. Therefore, the fluctuation in the vertical direction of the liquid level of the liquid stored in the liquid storage chamber can be reduced.
- the liquid container further includes a visual recognition surface that allows the liquid surface of the liquid stored in the liquid storage chamber to be visually recognized from a direction intersecting a vertical direction, and is injected into the visual recognition surface from the liquid inlet.
- a visual recognition surface that allows the liquid surface of the liquid stored in the liquid storage chamber to be visually recognized from a direction intersecting a vertical direction, and is injected into the visual recognition surface from the liquid inlet.
- an upper limit scale indicating the upper limit amount of the liquid stored in the liquid storage chamber is formed, and the height from the bottom surface in the vertical direction of the liquid storage chamber to the upper limit scale is preferably 55 mm or less.
- the range in which the liquid level is located in the liquid storage chamber can be 55 mm or less. Therefore, the fluctuation in the vertical direction of the liquid level of the liquid stored in the liquid storage chamber can be further reduced.
- a lower limit scale is further formed at a position lower in the vertical direction than the upper limit scale, and a height in the vertical direction from the lower limit scale to the upper limit scale is 40 mm or less. Is preferred.
- a liquid ejecting apparatus comprising: a tube that is routed forward of the recording medium in the transport direction from the moving area of the liquid ejecting head and supplies liquid to the liquid ejecting head; and the main scanning A liquid supply system that contains a liquid that is disposed along the front-rear direction outside the moving region of the liquid ejecting head in a direction, the liquid container containing the liquid A liquid storage chamber, a liquid inlet capable of injecting the liquid into the liquid storage chamber, an air intake port for taking air into the liquid storage chamber, and the liquid provided in the liquid storage chamber A liquid outlet port that leads to a tube side, and the size of the liquid storage chamber in the left-right direction is smaller than the size in the height direction perpendicular to the left-right direction and the front-rear direction, and the height of the liquid storage chamber
- the size in the vertical direction is set smaller than the size in the front-rear direction, and the liquid outlet is disposed on the front side of the center in the front-rear direction of the liquid storage chamber.
- an operation portion of a valve capable of crushing the tube connected to the liquid outlet port based on an external operation is provided on the front surface of the liquid container.
- the liquid container is disposed outside a housing that accommodates the liquid ejecting head in the liquid ejecting apparatus in a movable state.
- the liquid container that solves the second problem includes a liquid storage chamber that stores the liquid to be supplied to a liquid consumption unit that consumes the liquid via the tube, and the liquid stored in the liquid storage chamber is the tube.
- the liquid container further includes a visual recognition surface that allows the liquid surface of the liquid stored in the liquid storage chamber to be visually recognized from a direction that intersects the vertical direction, and the damming portion has a vertical direction that is higher than the visual recognition surface. It is preferably located in the upper position.
- the damming portion is located at a position higher in the vertical direction than the viewing surface, it is possible to reduce the possibility that the viewing surface is contaminated by the leaked liquid.
- a step portion is provided between the damming portion and the viewing surface of the liquid container. According to this configuration, even when the leaked liquid exceeds the damming portion, it is possible to reduce the possibility that the leaked liquid flows to the viewing surface due to the stepped portion.
- the width of the liquid container intersecting the vertical direction at the damming portion and the direction intersecting the leakage direction, which is the direction in which the leakage liquid flows, is preferably larger than the width of the liquid inlet.
- the damming portion is positioned below the liquid inlet in the vertical direction, and an inlet forming surface on which the liquid inlet is formed extends from the liquid inlet to the damming portion. A downward slope is preferred.
- the inlet forming surface can be used as a flow path for the leaking liquid. Therefore, by receiving the leaked liquid at the inlet forming surface, it is possible to reduce the possibility that the portion other than the inlet forming surface is contaminated with the liquid.
- the said liquid container WHEREIN It is preferable that the said damming part is a protrusion part which protrudes from the said inlet formation surface. According to this configuration, the leaked liquid can be dammed by the protruding portion protruding from the injection port forming surface.
- the damming portion is a groove portion that is recessed in the injection port forming surface. According to this configuration, the leaked liquid can be dammed by capturing the leaked liquid by the groove formed in the inlet forming surface.
- the said liquid container WHEREIN It is preferable that the said injection hole formation surface is formed facing one direction which cross
- the inclinations of the liquid inlet and the damming portion with respect to the vertical direction are the same. According to this configuration, for example, when the liquid container is injection-molded, the liquid inlet and the damming portion can be molded with the same mold.
- the liquid consuming apparatus that solves the second problem includes the liquid consuming unit, the tube, and the liquid container having the above-described configuration. According to this configuration, the same operational effects as those of the invention relating to the liquid container can be obtained.
- the liquid container unit that solves the third problem includes a liquid storage chamber that stores the liquid to be supplied to a liquid consumption unit that consumes the liquid via a tube, and the liquid stored in the liquid storage chamber.
- a liquid outlet including a liquid outlet leading out to the tube side, a liquid inlet capable of injecting the liquid into the liquid storage chamber, and a protective case that covers and protects the liquid container from the outside,
- the protective case is an integrally molded product.
- the assembling property of the liquid container unit can be improved by forming the protective case covering the liquid container as an integrally molded product.
- the protective case preferably has an opening at a position corresponding to the liquid inlet.
- the liquid container can be easily attached to the protective case by aligning the liquid inlet and the opening. Moreover, since the peripheral part of the liquid inlet is covered with the protective case, the liquid adhering to the inlet can enter the protective case through the gap between the protective case and the inlet, and the liquid can be supplied from the outside. Touching is suppressed.
- the protective case is preferably a five-sided integrally molded product having an opening larger than the liquid container. According to this configuration, the liquid container can be easily accommodated in the protective case from the opening formed in the protective case.
- the liquid container and the protective case are formed with a positioning portion that is unevenly fitted. According to this configuration, since the liquid container and the protective case are positioned by the positioning portion, it is possible to reduce the possibility that the liquid container and the protective case are displaced. In the liquid container unit, it is preferable that a plurality of the positioning portions are formed, and at least one of the positioning portions has a long hole in the horizontal direction.
- the liquid container and the protective case are positioned by fitting with the elongated holes, the liquid container and the protective case are positioned even when the molding accuracy of the liquid container and the protective case is low. be able to. Furthermore, since the long hole is long in the horizontal direction, it is possible to position the liquid container and the protective case while suppressing the inclination in the horizontal direction.
- the protective case includes a locking portion that locks a fixing member when the protective case is fixed to an apparatus main body that stores the liquid consumption portion at both side positions of the handle portion. Preferably it is formed.
- the fixing member is locked by the locking portions formed on both sides of the handle portion, so that the user holds the hand on the handle portion.
- the protective case includes a first engaging portion and a second engaging member that are elastically deformed and engaged with at least one of the protective case when the protective case is fixed to an apparatus main body that houses the liquid consuming portion. It is preferable that one of the joint portions is provided, and the other is provided in the apparatus main body.
- the liquid container is fixed to the apparatus main body together with the protective case in a state of being accommodated in the protective case through the opening, the assembling property of the liquid container unit can be improved.
- the protective case is preferably fixed to the apparatus main body in a state in which one or two or more liquid containers are accommodated.
- the liquid container can be easily added by fixing the protective case containing two or more liquid containers to the apparatus main body.
- liquid container unit two liquid containers adjacent to each other in a direction intersecting the longitudinal direction in a state where two or more liquid containers are accommodated in the protective case, the liquid inlet is in the longitudinal direction.
- the liquid inlet is in the longitudinal direction.
- the liquid inlets in the two adjacent liquid containers are obstructed by the other liquid inlets as compared with the case where the liquid inlets are arranged side by side in the direction intersecting the longitudinal direction. Since it can suppress, the injection
- the protective case has a receiving portion that forms an opening at a position corresponding to the liquid inlet in the liquid container housed inside.
- the liquid container is inserted from the opening side of the protective case, By inserting the cylinder portion of the liquid inlet into the opening of the receiving portion, the liquid container can be easily accommodated in the protective case.
- the protective case contains liquid other than the liquid container located closest to the opening among the liquid containers in a state where two or more liquid containers are housed therein. It is preferable that the receiving portion at a position corresponding to the liquid inlet in the body is formed to have a size overlapping with another liquid container adjacent to the liquid container on the opening side.
- the protective case is formed with a locking portion for locking the fixing member when the protective case is fixed to the apparatus main body.
- locking part is formed in the protective case. Therefore, the liquid container unit can be easily fixed to the apparatus main body by the fixing member.
- the protective case includes a first engaging portion and a second engaging portion that are engaged with each other by elastically deforming at least one of the protective case when the protective case is fixed to an apparatus main body that houses the liquid consuming portion. It is preferable that one of the joint portions is provided, and the other is provided in the apparatus main body.
- the liquid container unit can be easily fixed to the apparatus main body.
- the operation unit of the valve attached to the flow path is provided in the protective case in a state where two or more liquid containers are housed inside the two or more liquid containers. Are provided as a common operation section for the corresponding flow paths.
- the valves of the respective flow paths corresponding to the two or more liquid containers can be collectively opened and closed, so that the number of parts can be reduced.
- the liquid container has a visual recognition surface from which the liquid surface of the liquid stored in the liquid container can be visually recognized from the outside
- the protective case has a window at a position corresponding to the visual recognition surface. It is preferable that the opening portion is provided on the side facing the window portion. According to this configuration, when the liquid container is mounted on the protective case, the liquid container can be inserted from the opening provided on the side facing the window of the protective case. Easy to align.
- the liquid consuming apparatus that solves the third problem includes the liquid consuming unit, the flow path, and the liquid container unit having the above-described configuration. According to this configuration, the same operational effects as the liquid container unit can be obtained.
- a liquid supply system that solves the second problem includes a liquid storage chamber that stores the liquid supplied to a liquid consumption unit that consumes the liquid via a tube, and the liquid stored in the liquid storage chamber is the tube.
- a liquid container including a liquid outlet port leading out to the side, a liquid inlet port capable of injecting the liquid into the liquid container chamber, a protective member that covers and protects the liquid container body from the outside, and the protective member And an absorbent that is interposed between the liquid container and absorbs the liquid.
- the absorbent material is preferably provided at a position between the liquid inlet and the protective member. According to this configuration, by providing the absorbing material between the liquid inlet and the protective member that may cause the liquid to leak, the absorbing liquid that has leaked from the liquid inlet can be absorbed efficiently.
- the absorbent material is interposed between the protective member and the liquid container so as to be compressed and deformed. According to this configuration, the gap between the protective member and the liquid container can be filled with the absorbent material. Therefore, it is possible to reduce the possibility of foreign matters entering the gap between the protective member and the liquid container.
- the absorbent material is continuously disposed from the liquid injection port to between the protective member and the liquid container. According to this configuration, it is possible to absorb the leaked liquid leaked from the liquid inlet and the leaked liquid flowing between the liquid container and the protective member by one absorbent material.
- the liquid container that solves the second problem includes a liquid storage chamber that stores the liquid to be supplied to a liquid consumption unit that consumes the liquid via the tube, and the liquid stored in the liquid storage chamber is the tube.
- the leaked liquid can be absorbed by the absorbent material attached so as to absorb the liquid leaked from the liquid inlet. Therefore, it is possible to reduce the risk of the surroundings being contaminated with the leaked liquid.
- the liquid inlet is formed in the cylindrical portion that protrudes toward the outside of the liquid storage chamber, when the liquid is injected into the liquid storage chamber, the members positioned around the cylindrical portion are injected. It is possible to reduce the possibility of impeding liquid injection by coming into contact with the liquid container. Furthermore, since the cylindrical portion protrudes in a direction non-orthogonal to the vertical direction, the user can easily confirm how the liquid is injected.
- the upper limit scale is formed on the liquid inlet side, the liquid level of the injected liquid and the upper limit scale are compared even when, for example, the liquid container is tilted. As a result, the risk of liquid overflowing from the liquid inlet can be reduced.
- the viewing surface is preferably formed so as to face one direction intersecting the vertical direction. According to this configuration, the viewing surface is formed so as to face one direction intersecting the vertical direction, so that the liquid level and the scale of the liquid can be viewed and compared from one direction.
- the said liquid container WHEREIN It is preferable that the said graduation is formed in multiple numbers with the space
- a liquid consuming apparatus that solves the fifth problem includes the liquid consuming unit, the tube, and the liquid container having the above-described configuration. According to this configuration, the same operational effects as those of the invention relating to the liquid container can be obtained.
- the liquid container that solves the sixth problem includes a liquid storage chamber that stores the liquid that is supplied to the liquid consumption unit that consumes the liquid via the tube, and the liquid that is stored in the liquid storage chamber. And a liquid inlet that can inject the liquid into the liquid storage chamber, and an end surface of the liquid inlet is non-orthogonal to the vertical direction.
- the liquid inlet is formed at a tip of a cylindrical portion protruding toward the outside of the liquid storage chamber. According to this configuration, since the liquid inlet is formed in the cylindrical portion that protrudes toward the outside of the liquid storage chamber, when the liquid is injected into the liquid storage chamber, the members positioned around the cylindrical portion are injected. It is possible to reduce the possibility of impeding liquid injection by coming into contact with the liquid container.
- the said liquid container WHEREIN It is preferable that the said cylinder part protrudes toward a non-orthogonal direction with respect to a perpendicular direction. According to this configuration, since the cylindrical portion protrudes in a direction non-orthogonal to the vertical direction, the user can easily confirm how the liquid is injected.
- the cylindrical portion is inclined in a direction away from the apparatus main body to which the liquid consuming portion is accommodated and the liquid container is fixed. According to this configuration, when the liquid container is fixed to the apparatus main body, the cylindrical portion is formed so as to be inclined in a direction away from the apparatus main body, so that the liquid can be injected more easily.
- the inlet forming surface on which the liquid inlet is formed is non-orthogonal to the vertical direction. According to this configuration, since the inlet forming surface is non-orthogonal with respect to the vertical direction, even if liquid leaks from the liquid inlet, the liquid flows along the inlet forming surface. Can do. Therefore, it is possible to reduce the possibility that the liquid flows in a direction not intended by the user.
- the liquid inlet is formed at a tip of a cylindrical portion in which a channel extending in a vertical direction is formed. According to this configuration, since the flow path extends in the vertical direction, the cylindrical portion can also be formed to extend in the vertical direction. Therefore, since the cylindrical portion does not protrude except in the vertical direction, it is difficult to get in the way.
- the end surface of the liquid inlet is formed to be inclined so as to face away from the device main body, so that the liquid can be injected more easily. can do.
- a liquid consuming apparatus that solves the sixth problem includes the liquid consuming unit, the tube, and the liquid container having the above-described configuration. According to this configuration, the same operational effects as those of the invention relating to the liquid container can be obtained.
- the liquid container that solves the sixth problem includes a liquid storage chamber that stores the liquid supplied to the liquid consumption unit that consumes the liquid via the first flow path, and the liquid storage chamber that is stored in the liquid storage chamber.
- An end surface of the liquid inlet is perpendicular to a vertical direction. It is preferably formed at the tip of the second flow path extending in a direction that is not orthogonal to the direction.
- the second flow path extends outward from the liquid storage chamber. According to this configuration, since the second channel is located outside the liquid storage chamber, the liquid can be more easily injected from the liquid inlet formed at the tip of the second channel.
- the second flow path extends inside the liquid storage chamber. According to this configuration, since the second flow path extends to the inside of the liquid storage chamber, the second flow path is less likely to become an obstacle as compared to the case where the second flow path extends to the outside of the liquid storage chamber.
- the second flow path is preferably inclined in a direction away from the liquid consuming device.
- the second flow path is formed so as to be inclined in a direction away from the liquid consuming device, so that liquid can be injected more easily. Can do.
- the inlet forming surface on which the liquid inlet is formed is non-orthogonal to the vertical direction. According to this configuration, since the inlet forming surface is non-orthogonal with respect to the vertical direction, even if liquid leaks from the liquid inlet, the liquid flows along the inlet forming surface. Can do. Therefore, it is possible to reduce the possibility that the liquid flows in a direction not intended by the user.
- the air chamber in the posture state at the time of use, the air chamber is positioned above the liquid storage chamber, and it is difficult for liquid to enter the air chamber side from the liquid storage chamber side through the communication port. Leakage to the outside through the atmosphere opening can be suppressed. Even if the liquid storage chamber is turned upside down, the liquid in the liquid storage chamber is once received by the internal space of the air chamber through the communication port, so that the liquid leaks directly from the liquid storage chamber to the outside. Can be suppressed. Therefore, it is possible to prevent the liquid stored inside from leaking to the outside through the atmosphere opening port even when it is inverted.
- the second air chamber communicates with the first air chamber and the second air chamber. It is necessary to pass through the first communication passage having a channel cross-sectional area smaller than the area of the wall surface facing the first air chamber in the first partition wall that partitions the air chamber. Therefore, the flow from the second air chamber to the air chamber side where the air opening is further formed is suppressed. Therefore, it is possible to further suppress the liquid contained inside from leaking to the outside through the air opening.
- a distance from the partition wall to at least a part of the first communication path is larger than a distance from the partition wall to the first opening.
- the first communication path has a meandering long groove portion whose one end side communicates with the first opening and the other end side communicates with the second opening, and a coating disposed so as to cover the long groove portion. It is comprised by the member. According to this configuration, it is possible to easily realize a communication path that can suitably exhibit the effect of suppressing the leakage of the liquid from the liquid storage chamber side when it is inverted.
- the first communication passage is formed so as to penetrate the first partition wall. According to this structure, the communication path which connects the air chambers divided by the division wall can be formed easily.
- the air chamber further includes a third air chamber, the second air chamber and the third air chamber are partitioned by a second partition wall, and the second air chamber and the The third air chamber communicates with the second communication path, and the distance from the partition wall to the first communication path is different from the distance from the partition wall to the second communication path.
- the first communication path and the second communication path are arranged at different positions in a direction parallel to the first partition wall and the partition wall. According to this configuration, not only when the apparatus is turned upside down, but also when it is placed on its side, the communication path on the side away from the gas-liquid interface in the first communication path and the second communication path. Gas-liquid exchange can be made impossible. Therefore, a negative pressure can be generated on the liquid storage chamber side with respect to the communication path, and the leakage of the liquid from the liquid storage chamber side can be stopped.
- a wall surface of the first partition wall facing the second air chamber and a wall surface of the second partition wall facing the second air chamber have a rectangular shape, and the first communication path Is formed at one corner of the wall surface of the first partition wall, and the second communication path is formed at one corner of the wall surface of the second partition wall.
- the liquid container that solves the seventh problem includes a liquid storage chamber that stores the liquid supplied to the liquid consumption unit that consumes the liquid, and an internal space that is partitioned through the liquid storage chamber and the partition wall.
- An air opening that opens the air chamber to the atmosphere, and a communication port that communicates between the liquid storage chamber and the air chamber, wherein the air chamber is at least a first air chamber.
- a second air chamber wherein the first air chamber and the second air chamber are partitioned by a first partition wall, and the first air chamber is a surface of the inner surface of the first air chamber other than the first partition wall.
- a first opening located at a part, and the second air chamber has a second opening located at a surface part of the inner surface of the second air chamber other than the first partition wall, and the first opening and the The second opening communicates with the first communication path
- First communication passage has a long groove which is formed on the wall surface of the air chamber, and a covering member disposed so as to cover the long groove on the wall surface of the air chamber.
- a length of a portion of the long groove portion in a direction along the partition wall is longer than a distance between the first opening and the second opening.
- the liquid consumption apparatus which solves the said 7th subject is provided with the liquid consumption part which consumes a liquid, and the liquid container of the said structure.
- the liquid container that solves the eighth problem includes a liquid storage chamber that stores the liquid supplied to the liquid consumption unit that consumes the liquid, and the liquid can be led out from the liquid storage chamber to the liquid consumption unit side. And at least two first ribs provided in the liquid storage chamber, and a liquid inlet for allowing the liquid to be injected into the liquid storage chamber from the outside, and at least two first ribs provided in the liquid storage chamber. Is provided apart from the bottom surface located on the gravity direction side of the liquid inlet, and in both directions of the first direction and the gravity direction along the direction away from the liquid inlet while intersecting the gravity direction. The at least one first rib out of the at least two first ribs is at least partially heavier than the bottom surface in the direction of gravity. The at least two first ribs are provided between the upper surface located on the direction side and the bottom surface, and the at least two first ribs are provided on the opposite side of the liquid outlet from the liquid inlet in the first direction. .
- the liquid flows in the direction intersecting the bottom surface. Therefore, even if the concentration of the liquid stored in the liquid storage chamber is uneven, the liquid stored in the liquid storage chamber is agitated by the flow of the liquid newly injected into the liquid storage chamber. . That is, it is possible to cause a liquid flow in a direction intersecting the bottom surface even at a position away from the liquid inlet in the horizontal direction. Moreover, since the stirrable region can be increased by forming at least two first ribs, the size of the liquid storage chamber can be further increased. Therefore, by injecting the liquid into the liquid storage chamber, it is possible to efficiently eliminate the uneven concentration of the liquid stored in the liquid storage chamber.
- the at least two first ribs extend in a direction along the bottom surface of the liquid storage chamber. According to this structure, after the flow of the liquid flowing along the bottom surface is changed to the direction intersecting the bottom surface by the first rib extending in the direction along the bottom surface, the liquid is further flowed along the first rib. be able to. Therefore, since the collision of the liquid flow can be suppressed, the flow velocity of the liquid flowing in the direction along the bottom surface can be increased.
- the at least two first ribs extend in a direction intersecting the bottom surface of the liquid storage chamber. According to this configuration, the flow of the liquid along the first direction, which is the direction away from the liquid inlet, can be inhibited by the first rib extending in the direction intersecting the bottom surface. That is, the liquid can be agitated by generating a spiral flow in the liquid.
- the at least two first ribs are provided at a distance in the first direction, and the first of the at least two first ribs is located at a position away from the liquid inlet. It is preferable that the rib is largely separated from the bottom surface of the liquid storage chamber as compared with the first rib located near the liquid inlet.
- the first rib located at a position away from the liquid inlet is greatly separated from the bottom surface, a vortex can be generated at a position away from the bottom surface. Therefore, the liquid having a high concentration near the bottom surface and the liquid having a low concentration near the liquid surface can be agitated at a position away from the liquid inlet where the concentration of the liquid tends to increase.
- the bias can be reduced.
- the spiral flow generated when the flow is inhibited by the first ribs occurs between the first ribs adjacent in the first direction, which is the direction in which the liquid flows. And the larger the interval between the first ribs, the larger the spiral flow.
- the interval between the first ribs adjacent to each other at a position away from the liquid inlet is large, a larger spiral flow can be generated at a position away from the inlet. Therefore, since a liquid having a low concentration near the liquid surface can be flowed at a position away from the liquid inlet where the liquid concentration unevenness tends to be large, the liquid concentration unevenness can be further reduced.
- a second rib different from the at least one first rib is further provided in the liquid storage chamber, and the second rib has the liquid inlet and the liquid outlet in the first direction. Between the first region on the liquid outlet port side and the liquid in the first direction. It is preferable to have a first communication portion that separates the second region on the side opposite to the outlet and communicates the first region with the second region.
- the second rib is provided between the liquid inlet and the liquid outlet, the flow of liquid from the liquid inlet to the liquid outlet can be inhibited. Therefore, for example, even when the liquid is vigorously injected from the liquid inlet, the pressure applied to the liquid near the liquid outlet can be reduced.
- the liquid stored in the liquid storage chamber when the liquid stored in the liquid storage chamber is led out through the liquid outlet, the liquid flows through the communicating portions located at different positions in the direction of gravity. Therefore, even when the concentration of the liquid stored in the liquid storage chamber is uneven, it is possible to cause the liquids having different concentrations to flow through the respective communication portions. Furthermore, since at least two second ribs are different in the position of the communicating portion, it is possible to flow liquids at different positions in the direction of gravity. Therefore, even when the liquid stored in the liquid storage chamber is led out and the liquid level is lowered, the liquid having a low concentration near the liquid surface and the liquid having a high concentration near the bottom can be mixed and led out. it can.
- the flow of liquid from the liquid inlet to the liquid outlet can be further inhibited. it can.
- the protrusion height from the bottom surface of the second rib located near the liquid inlet is small, the liquid dammed up by the second rib having a large protrusion height flows in a direction away from the liquid outlet. Permissible. Therefore, the liquid can be further stirred on the side away from the liquid outlet as viewed from the liquid inlet.
- a reinforcing rib is provided on the bottom surface in addition to the at least two first ribs, and the surface on the liquid inlet side of the reinforcing rib is the liquid inlet with respect to the bottom surface. It is preferable that they intersect so as to form an acute angle in a direction away from the center.
- the liquid injected from the liquid inlet flows along the bottom surface.
- the surface on the liquid injection port side of the reinforcing rib intersects with the bottom surface of the liquid storage chamber so as to form an acute angle in a direction away from the liquid injection port, which is the liquid flow direction. That is, since the flow path resistance is reduced, the liquid injected into the liquid storage chamber can be made to flow well in the direction away from the liquid injection port while ensuring the rigidity of the liquid storage body.
- the liquid container that solves the ninth problem includes a liquid storage chamber that stores the liquid supplied to the liquid consumption unit that consumes the liquid, and the liquid flows out from the liquid storage chamber toward the liquid consumption unit.
- a liquid outlet port, and the liquid storage chamber has a bottom surface on one side along the longitudinal direction, a base surface provided at the bottom, and a step so as to be higher than the base surface.
- the base surface is shorter in the longitudinal direction than the step bottom surface, when the base surface is in an inclined state, the liquid provided at the position on the end side in the longitudinal direction of the base surface The amount of liquid remaining without flowing out from the outlet can be reduced.
- the length of the step side surface in the vertical direction is shorter than the length of the base bottom surface and the step bottom surface in the longitudinal direction, and the base bottom surface and the step side surface are first in the longitudinal direction of the bottom portion.
- the liquid outlet is provided at a position that is the first end side in the longitudinal direction of the base surface.
- the upper end position of the step side surface becomes higher as the step side surface is arranged closer to the first end side. Therefore, a high liquid level position can be maintained near the liquid outlet port provided on the first end side. Therefore, even when the inclination angle of the liquid storage chamber becomes large, the liquid dammed to the basal plane side by the step side surface can flow out from the liquid outlet.
- a direction intersecting both the longitudinal direction and the vertical direction is a short direction
- the step bottom surface aligned with the base surface and the longitudinal direction is a first step bottom surface
- the liquid storage chamber has a step so that it is higher than the base bottom and lower than the first step bottom.
- the lead-out port is provided on the basal plane side in the short direction of the bottom portion.
- the liquid flow to the second step bottom surface side is second. Suppressed by the step side. Since the liquid outlet port is provided on the basal plane side in the short direction of the bottom, the liquid dammed to the basal plane side by the second step side surface can flow out from the liquid outlet port. Therefore, even when the liquid storage chamber is inclined in the lateral direction, the amount of liquid remaining at the bottom of the liquid storage chamber can be reduced.
- the liquid dammed to the base surface side by the step side surface can be collected in the liquid collection recess, and the liquid can flow out through the liquid outlet. Accordingly, it is possible to reduce the amount of liquid remaining on the base surface side from the step side surface at the bottom of the liquid storage chamber.
- the liquid container further includes an injection port disposed above the base surface for injecting liquid into the liquid storage chamber. According to this configuration, since the injection port is disposed above the base surface at a position lower than the step bottom surface, it is difficult for the liquid to overflow when the liquid is injected.
- the base surface is inclined so that the liquid outlet side is lowered. According to this configuration, since the basal plane is inclined so that the liquid outlet side becomes lower, the liquid dammed to the basal plane side by the step side surface can flow to the liquid outlet side along the inclination. . Accordingly, the amount of liquid remaining at the bottom of the liquid storage chamber can be reduced even in the inclined state.
- the liquid consumption apparatus which solves the said 9th subject is provided with the liquid consumption part which consumes a liquid, and the liquid container of the said structure. According to this configuration, even when the liquid consuming device is inclined, the amount of liquid remaining at the bottom of the liquid storage chamber can be reduced.
- FIG. 1 is a perspective view of a multifunction machine according to a first embodiment.
- FIG. 5 is a sectional view taken along line 5-5 in FIG.
- FIG. 6 is a sectional view taken along line 6-6 in FIG.
- FIG. 18 is a cross-sectional view taken along line 18-18 in FIG.
- FIG. 19 is a cross-sectional view taken along line 19-19 in FIG.
- the left view of an ink tank. The schematic diagram of an ink tank. The perspective view from the left front of a tank unit. The perspective view from the left front of the tank unit which removed a member partially.
- FIG. 5 is a sectional view taken along line 5-5 in FIG.
- FIG. 6 is a sectional view taken along line 6-6 in FIG.
- the perspective view from the right front of an ink tank. The perspective view from the right rear of an ink tank.
- the right side view of an ink tank. The top view of an ink tank.
- the front view which looked at the ink tank from the opening part side The perspective view from the left front of the tank unit to which the ink tank was attached.
- FIG. 6 is a front view of the tank unit as viewed from the opening side of the tank case, and shows a state in which the outer region of the film is stored.
- the perspective view of a choke valve The perspective view of a choke valve.
- FIG. 43 is a partially cutaway view of the right side surface of the ink tank in the state of FIG.
- FIG. 43 is a left side view of the ink tank when it is vibrated so that acceleration is applied rearward in the state of FIG.
- FIG. 45 is a partially cutaway view of the right side surface of the ink tank in the state of FIG. FIG.
- FIG. 43 is a left side view of the ink tank when it is vibrated so that acceleration is applied forward in the state of FIG.
- FIG. 47 is a partial cutaway view of the right side surface of the ink tank in the state of FIG. 46.
- FIG. 50 is a cross-sectional view showing the internal configuration of the choke valve displaced from the state shown in FIG. 49 in the valve opening direction.
- FIG. 51 is a cross-sectional view showing the internal configuration of the choke valve displaced from the state shown in FIG. 50 in the valve opening direction.
- FIG. 6 is a side view for explaining the operation of the ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank.
- FIG. 6 is a schematic cross-sectional view of a portion of an inlet in a modified ink tank. Sectional drawing of the ink tank of a modification. Sectional drawing of the tank unit of a modification.
- FIG. 4 is a partially broken cross-sectional view of an ink container and a tank unit at the time of ink injection.
- FIG. 88 is a partial cutaway view of the right side surface of the ink tank in the state of FIG. 87.
- 89 is a left side view of the ink tank when it is vibrated so that acceleration is applied to the rear in the state of FIG. FIG.
- FIG. 90 is a left side view of the ink tank when it is vibrated so that acceleration is applied forward in the state of FIG.
- FIG. 93 is a partially cutaway view of the right side surface of the ink tank in the state of FIG. 92.
- (A) is a cross-sectional view taken along line F64a-F64a in FIG. 94
- (b) is a cross-sectional view taken along line F64b-F64b in FIG.
- the scanner unit 14 includes a scanner main body 15 that is partly rotatably connected to the apparatus main body 13 of the recording apparatus 12, and a transport unit 16 that is disposed above the scanner main body 15.
- the scanner main body 15 has a closed position that covers the upper side of the apparatus main body 13 with respect to the recording apparatus 12 and an open position that opens the upper side of the apparatus main body 13 via a rotation mechanism 17 such as a hinge provided on one end thereof. It is attached to be displaceable between.
- the transport unit 16 is displaced between a position where the scanner body 15 is covered and a position where it is opened with respect to the scanner body 15 via a rotation mechanism 18 such as a hinge provided on one end thereof. It is attached as possible.
- the operation panel 19 is disposed on the front side of the multifunction machine 11.
- the operation panel 19 includes a display unit (for example, a liquid crystal display) 20 for displaying a menu screen and the like, and various operation buttons 21 provided around the display unit 20.
- a display unit for example, a liquid crystal display
- various operation buttons 21 provided around the display unit 20.
- a drawer-type medium support 24 having a substantially rectangular plate shape on which a plurality of sheets P can be stacked is attached to the back side of the recording apparatus 12.
- an inlet cover 25 is attached to the rear portion of the scanner main body 15 so as to be rotatable around a base end side (front end side in the present embodiment).
- a tank unit 27 as an example of a liquid container unit that stores ink (an example of liquid) is fixed to an attachment surface 13a that is the right side surface outside the apparatus main body 13. That is, the tank unit 27 is disposed outside the apparatus main body 13.
- a scale accommodating portion 28 for accommodating the scale 28a is provided at a position between the apparatus main body 13 and the tank unit 27 and at a position behind the attachment surface 13a.
- the scale housing portion 28 has a mounting surface so as to form a rectangular groove shape that is long in the vertical direction Z with a depth in the left-right direction X corresponding to the thickness of the scale 28a and a width in the front-rear direction Y corresponding to the width of the scale 28a.
- a recess 13a is formed.
- the first rib 34 and the second rib 35 are formed so as to protrude from the mounting surface 13a at the mounting position where the tank unit 27 is mounted on the mounting surface 13a.
- the first rib 34 is formed along the outer shape of the tank unit 27.
- the second rib 35 is formed along the edge of the scale housing portion 28.
- the first rib 34 is positioned on the upper end side of the mounting surface 13a and extends along the front-rear direction Y.
- the first rib 34 is positioned on the front side of the upper rib portion 34a and extends along the vertical direction Z.
- the rib portion 34b has a curved rib portion 34c that connects the front end of the upper rib portion 34a and the upper end of the front rib portion 34b.
- the first rib 34 is positioned on the rear side of the upper rib portion 34a and extends along the vertical direction Z, and is positioned on the lower end side of the mounting surface 13a and extends along the front-rear direction Y.
- a lower rib portion 34e is positioned on the upper end side of the mounting surface 13a and extends along the front-rear direction Y.
- the upper rib portion 34 a is formed in a shape in which a plurality of portions are bent so that the front side portion thereof is positioned below the rear side portion, and the rear end thereof is along the vertical direction Z of the second rib 35. It connects with the upper end of the extended front part.
- the end portion of the rear side portion extending along the vertical direction Z of the second rib 35 is spaced apart from the scale housing portion 28 and extends rearward and between the upper end of the rear rib portion 34d in the vertical direction Z. It is formed to have.
- a boss portion 38 protruding from the mounting surface 13a is formed at a position on the rear side of the front rib portion 34b so as to have a space in the front-rear direction Y between the lower end of the front rib portion 34b.
- the ink tank 43 is made of a transparent or translucent resin, and the ink contained in the ink chamber 50 and the liquid level 51 of the ink are visible from the outside of the ink tank 43. Therefore, when the ink tank 43 is attached to the tank case 42, the ink stored in the ink chamber 50 can be visually recognized from the outside through the window portion 42a of the tank case 42.
- a closing member 58 capable of closing the injection port 52 is detachably attached to the tip of the cylindrical portion 53.
- the closing member 58 is connected to the other end side of a tether 58 a having one end connected to the tank case 42. Further, the closing member 58 is formed with a knob 58b on the upper side and a tubular fitting part 58c for fitting with the injection port 52 on the lower side.
- a discharge port as an example of a liquid discharge port for discharging the ink stored in the ink chamber 50 to the tube 31 side is located below the front surface (left side in FIG. 9) of the ink tank 43. 59 is formed.
- the outlet port 59 is a position on one side (front side in the present embodiment) of the ink tank 43 relative to the middle position in the front-rear direction Y, and is one side (front side in the present embodiment) of the visual recognition surface 43a. ).
- the ink tank 43 is formed with an air intake port 60 for taking air into the ink chamber 50 from a position above the ink level 51 when ink is stored in the ink chamber 50. That is, the air intake 60 takes in the outside air from the position above the liquid level 51 into the ink chamber 50 when the ink stored in the ink chamber 50 is reduced as the ink is consumed by the liquid ejecting head 32.
- the ink tank 43 is formed with at least one (two in this embodiment) tank locking portion 62 that locks mounting screws 61 (see FIG. 4) that are mounted when the ink tank 43 is fixed to the tank case 42. Yes.
- the right side surface of the ink tank 43 is formed with positioning recesses 63a and 63b as an example of at least one (two in the present embodiment) positioning portions.
- positioning recesses 63a and 63b one (positioned in the front side in this embodiment) positioning recess 63a is formed in a long hole shape in the front-rear direction Y.
- a lower limit scale 64a as an example of a scale and an upper limit scale 64b as an example of a scale are formed to protrude at the front side position on the viewing surface 43a.
- the lower limit scale 64a and the upper limit scale 64b are formed on one side (the front side in the present embodiment) from the midway position in the front-rear direction Y on the viewing surface 43a.
- the window part 42a does not conceal the upper limit scale 64b
- the width in the vertical direction Z on the front side is larger than the width in the vertical direction Z on the rear side (see FIG. 3). Therefore, similarly to the window portion 42a, the visual recognition surface 43a also has a larger width in the vertical direction Z on the front side than the width in the vertical direction Z on the rear side.
- the lower limit scale 64 a is formed on the outlet 59 side of the midway position in the front-rear direction Y and on the upper side of the outlet 59.
- the upper limit scale 64 b is formed on the inlet 52 side of the midway position in the front-rear direction Y and below the inlet 52 and the air intake 60.
- the outlet 59 and the inlet 52 are formed on the same side (front side) in the front-rear direction Y. Therefore, the lower limit scale 64a is formed on the injection port 52 side with respect to the midway position in the front-rear direction Y and below the injection port 52 and the upper limit scale 64b. Therefore, a plurality of scales are formed on the viewing surface 43a on the same side in the front-rear direction Y with an interval in the vertical direction Z.
- the lower limit scale 64a is a scale indicating a lower limit amount that serves as a guide for injecting ink into the ink chamber 50.
- the upper limit scale 64 b is a scale indicating the upper limit amount of ink that is injected from the injection port 52 and accommodated in the ink chamber 50.
- the tank case 42 is a five-surface integral molded product having a case opening 42 b as an example of an opening on the left side which is the apparatus main body 13 side when fixed to the recording apparatus 12. is there.
- the tank case 42 is formed larger than the ink tank 43, and the case opening 42 b is larger than the ink tank 43 in the front-rear direction Y and the vertical direction Z.
- the tank case 42 has at least case locking portions 68a to 68e as examples of locking portions for locking a screw 36 (see FIG. 12) inserted when the tank case 42 is fixed to the apparatus main body 13.
- One (five in this embodiment) is formed. That is, the first to fifth case locking portions 68a to 68e are formed corresponding to the screw boss portions 37 formed on the mounting surface 13a.
- An engaging portion 69 that can engage with the boss portion 38 is formed at a position corresponding to the boss portion 38 of the apparatus main body 13 in the tank case 42.
- the tank case 42 is positioned below the window 42a and between the fourth case locking portion 68d and the fifth case locking portion 68e.
- the handle portion 71 is formed.
- a trough 42c having a height in the vertical direction Z that is one step lower than the upper surface is formed at the front side position on the upper surface of the tank case 42.
- the first case locking portion 68a is formed so as to be located in the valley portion 42c.
- a covering portion 73 is formed around the first case locking portion 68a. The covering portion 73 covers the first case locking portion 68a from the rear and above and opens on the right side. Therefore, the screw 36 screwed into the first case locking portion 68 a is hidden by the covering portion 73 from the user who looks down on the tank unit 27.
- the trough portion 42 c accepts the entry of the cylindrical portion 53 from the left side, which is the case opening 42 b side, when the ink tank 43 is attached to the tank case 42 into the trough portion 42 c.
- a receiving portion 74 having a U-shape in top view is formed.
- the rear of the receiving portion 74 is formed one step higher than the position where the receiving portion 74 is formed, and a mounting portion 75 on which the closing member 58 can be mounted is formed. Yes. Therefore, the length of the anchoring portion 58a is set to such a length that the closing member 58 can be positioned alternatively to the cylindrical portion 53 and the placement portion 75.
- the mounting portion 75 includes a ring portion 75a formed in an annular shape whose inner peripheral shape is slightly larger than the outer peripheral shape of the fitting portion 58c of the closing member 58, and a fitting portion 58c positioned inside the ring portion 75a.
- the crus part 75b is slightly smaller than the inner peripheral shape.
- the crucible portion 75b has a shape in which vertical plate portions extending in the front-rear direction Y and the left-right direction X intersect each other in a cross shape, and on each side surface in the front-rear direction Y and the left-right direction X of each vertical plate portion.
- a projection 75 c having a substantially triangular shape in top view and extending along the vertical direction Z is formed so as to protrude from the side surface. Therefore, when the closing member 58 is placed on the placement portion 75, the fitting portion 58c is positioned inside the ring portion 75a, and the inner peripheral surface thereof is brought into contact with the protrusion 75c of the cruise portion 75b. Supported in
- the tank case 42 is formed with a pair of rail portions 76 a and 76 b as examples of support portions that support the cover 44 so as to be slidable in the front-rear direction Y.
- a plurality of (three in the present embodiment) ridges 77 extending along the front-rear direction Y are formed between the pair of rail portions 76a and 76b.
- the rear end upper surface of the first rail portion 76a located on the right side and the rear end upper surface (not shown) of the second rail portion 76b located on the left side are chamfered.
- a pair of stopper recesses 78a and 78b are formed in the first rail portion 76a with a space in the front-rear direction.
- the pair of stopper recesses 78a and 78b are chamfered on the inner side surface which is the other side of the front and rear inner surfaces. That is, the front first stopper recess 78a has a chamfered rear inner surface, and the rear second stopper recess 78b has a chamfered front inner surface.
- the cover 44 is between the concealment position A shown in FIG. 16 where the stopper convex portion 80a engages with the stopper concave portion 78a and the non-concealment position B shown in FIG. 17 where the stopper convex portion 80a engages with the stopper concave portion 78b. Is slid in the front-rear direction Y.
- the cover 44 is placed on the cylinder portion 53 in which the injection port 52 is formed. It is located at the concealment position A where the part 75 is concealed.
- the screws 36 screwed into the second case locking portion 68b and the third case locking portion 68c are concealed by the cover 44 attached to the tank case 42. It is. Further, the screw 36 screwed into the fourth case locking portion 68d and the fifth case locking portion 68e is hidden from the user who looks down on the unit by the tank unit 27 itself.
- the recording apparatus 12 supplies the ink contained in the ink chamber 50 to the liquid ejecting head 32 using the water head difference. Therefore, if the liquid level 51 fluctuates greatly in the vertical direction Z, ink cannot be supplied satisfactorily from the ink tank 43 to the liquid ejecting head 32. Specifically, when the liquid ejecting head 32 is located at a position considerably lower than the liquid level 51, there is a possibility that ink leaks from the liquid ejecting head 32, whereas the liquid ejecting head 32 is located above the liquid level 51. If it is at a considerably high position, ink may not be supplied to the liquid ejecting head 32.
- the ink when the maximum fluctuation width in the vertical direction Z of the ink liquid surface 51 is 75 mm or more, the ink can be satisfactorily supplied to the liquid ejecting head 32. There wasn't. That is, for example, when the liquid ejecting head 32 is arranged in accordance with the case where the maximum amount of ink is accommodated in the ink chamber 50, when the ink is consumed and the liquid level 51 is lowered, the ink remains in the ink chamber 50. Also, the ink could not be supplied to the liquid ejecting head 32.
- the maximum fluctuation width of the liquid surface 51 is 70 mm
- the maximum fluctuation width is 55 mm or less
- the ink can be satisfactorily supplied to the liquid ejecting head 32 even when there are some assembly errors and manufacturing errors.
- the maximum fluctuation width is 40 mm or less, for example, even when the installation surface of the recording apparatus 12 is slightly inclined, the ink can be satisfactorily supplied from the ink tank 43 to the liquid ejecting head 32.
- the height h1 in the vertical direction Z from the lower limit scale 64a to the upper limit scale 64b is set to 40 mm or less. That is, the user injects ink from the inlet 52 so that the ink level 51 rises to the upper limit scale 64b when the ink level 51 drops to the lower limit scale 64a. Accordingly, since the fluctuation range of the ink liquid level 51 when the liquid ejecting head 32 is normally used is equal to the height h1, the ink in the ink chamber 50 is good for the liquid ejecting head 32 when the height h1 is 40 mm or less. To be supplied.
- the height h2 in the vertical direction Z from the lower end (an example of the bottom surface) of the opening of the outlet port 59 formed in the ink chamber 50 to the upper limit scale 64b is 55 mm or less. Therefore, for example, even when the user continues printing without noticing that the ink level 51 has decreased to the lower limit scale 64a, the liquid ejecting head 32 remains when ink remains in the ink chamber 50. Ink is supplied.
- the height h3 in the vertical direction Z from the lower end of the opening of the outlet port 59 formed in the ink chamber 50 to the end surface 52a of the inlet port 52 is set to 70 mm or less. That is, the height h3 corresponds to the maximum fluctuation range of the ink stored in the ink tank 43. Therefore, for example, even when the user overflows the ink from the injection port 52 with the injection of the ink into the ink chamber 50, the leakage of the ink from the liquid ejecting head 32 is suppressed.
- the ink tank 43 of the present embodiment secures an amount of ink that can be accommodated in the ink chamber 50 by increasing the width in the front-rear direction Y and increasing the horizontal sectional area.
- the ink chamber 50 derives ink corresponding to 5% of the amount that can be accommodated in the ink chamber 50 from the outlet 59, the fluctuation range of the ink liquid level 51 in the ink chamber 50 changes to the ink chamber 50. It has a region (for example, a region having at least a height h1 in FIG. 21) that is 5% or less of the cube root of the accommodation amount.
- the condition relating to the shape of the ink chamber 50 is referred to as a shape condition, and the capacity that can be accommodated in the ink chamber 50 is referred to as a maximum capacity.
- the shape condition is satisfied if it is a rectangular parallelepiped shape longer in the front-rear direction Y or the left-right direction X than the cubic shape. That is, when the height H of the ink chamber 50 is smaller than the depth D and the width W, the shape condition is satisfied. Specifically, the shape condition is satisfied if the bottom area (D ⁇ W) of the ink chamber or the area of the liquid surface 51 (horizontal cross-sectional area of the ink chamber 50) is equal to or higher than the square of the height H. However, the shape condition may be satisfied even when the height H is larger than either the depth D or the width W. For example, even when the depth D is half of the height H, the shape condition is satisfied if the width W is twice or more the height H.
- the minimum fluctuation width (hereinafter simply referred to as “minimum fluctuation width”) of the ink liquid level 51 in the ink chamber 50 when ink equivalent to 5% of the maximum storage capacity is derived is the third root of the maximum storage capacity. If it is 6% or more, it is not possible to ensure a sufficient amount of ink that can be stored in the ink chamber 50.
- the ink when the minimum fluctuation range is 5% or less of the third root of the maximum capacity, the ink can be sufficiently stored in the ink chamber 50, but the minimum fluctuation width is the third root of the maximum capacity. Is more preferably 4% or less.
- the ink tank 43 is inserted from the case opening 42b of the tank case 42, and the positioning convex portions 67a and 67b and the positioning concave portions 63a and 63b are fitted into the concave and convex portions for alignment. Further, the mounting screw 61 is screwed into the tank locking portion 62 and the screwing portion 66 to fix the ink tank 43 to the tank case 42. That is, the tank case 42 protects the ink tank 43 by covering the ink tank 43 from the outside.
- the tank case 42 to which the ink tank 43 is fixed is aligned with the mounting surface 13a. That is, the tank case 42 surrounds the first rib 34, engages the boss portion 38 and the engaging portion 69, and further engages the reinforcing rib portion 34 f and the engaging recess 72.
- the absorbent 39 when the tank case 42 to which the ink tank 43 is attached is aligned with the attachment surface 13a, the absorbent 39 is located at a position between the inlet 52 and the apparatus main body 13, and the ink The ink adhering to the vicinity of the injection port 52 at the time of injection or the ink flowing from the periphery of the injection port 52 after the adhesion can be absorbed.
- the absorbent 39 has a greater thickness in the left-right direction X than the upper rib portion 34a. Therefore, the absorber 39 interposed between the apparatus main body 13 and the ink tank 43 is compressed by being sandwiched between the apparatus main body 13 and the ink tank 43.
- the apparatus main body 13 and the tank case 42 function as an example of a protective member that covers and protects the ink tank 43 from the outside, and the liquid supply system includes the apparatus main body 13, the tank case 42, the ink tank 43, and the absorbent 39.
- An example is configured.
- the cover 44 is mounted from the rear of the tank case 42 so that the rail portions 76 a and 76 b and the sliding contact portion 80 are engaged.
- the cover 44 is positioned at the concealment position A with the stopper convex portion 80 a engaging the first stopper concave portion 78 a.
- the first stopper recess 78a has a chamfered rear inner surface, and therefore, when the cover 44 positioned at the concealment position A is pushed rearward, the stopper protrusion 80a becomes the first stopper recess 78a.
- the stopper convex portion 80a and the first stopper concave portion 78a are disengaged so as to ride on the chamfered rear inner surface, and the cover 44 moves rearward.
- the user moves the closing member 58 fitted to the tip of the cylindrical portion 53 to the placement portion 75 and injects ink from the injection port 52.
- the injected ink can be confirmed from the window 42 a of the tank case 42.
- the injection port 52 is formed in the cylindrical portion 53 protruding toward the outside of the ink chamber 50, when the ink is injected into the ink chamber 50, members located around the cylindrical portion 53 are injected. It is possible to reduce the possibility of impinging on the ink injection by contacting an ink container (such as a large ink container). Furthermore, since the cylinder part 53 protrudes toward the upper right direction that is not orthogonal to the vertical direction Z, the user can easily confirm the state of injecting ink.
- the user can use the lower limit scale 64a as a guide for injecting ink into the ink chamber 50. Furthermore, by setting the height h1 from the lower limit scale 64a to the upper limit scale 64b to 40 mm or less, the range in which the liquid level 51 is positioned in the ink chamber 50 can be set to 40 mm or less. Therefore, the fluctuation in the vertical direction Z of the liquid level 51 of the ink stored in the ink chamber 50 can be further reduced.
- the ink level 51 near the outlet 59 and the lower limit 64a can be compared. Therefore, when the user uses the lower limit scale 64 a as a guide for injecting ink into the ink chamber 50, the ink liquid level 51 is positioned below the outlet port 59 in the vertical direction Z, and air is supplied from the outlet port 59. It is possible to reduce the risk of being damaged.
- the ink tank 43 and the tank case 42 are positioned by fitting the concave and convex portions 63a with the elongated holes, the ink tank 43 and the tank case are formed even when the molding accuracy of the ink tank 43 and the tank case 42 is low. 42 can be positioned. Furthermore, since the positioning recess 63a is long in the front-rear direction Y, it is possible to position the ink tank 43 and the tank case 42 while suppressing the horizontal inclination.
- the tank unit 27 Since the tank unit 27 is fixed to the apparatus main body 13, the tank unit 27 can be reduced in size as compared with a self-standing tank unit that is detachably provided to the apparatus main body 13. Furthermore, the tank unit 27 and the apparatus main body 13 can have a sense of unity.
- the ink tank 43 is attached to the apparatus main body 13 via a tank case 42 that is integrally formed including the positioning convex portions 67a and 67b. That is, the ink tank 43 can be attached to the apparatus main body 13 while maintaining the positional relationship between the ink tank 43 and the liquid ejecting head 32 with higher accuracy than when the tank case 42 is formed of a combination of a plurality of members.
- the ink chamber 50 and the air chamber 200 are divided into a region that becomes the air chamber 200 and a region that becomes the ink chamber 50 by the partition wall 48 b formed so as to extend along the direction along the bottom surface of the container case 48 (front-rear direction Y). It is divided into.
- the partition wall 48b is formed integrally with the container case 48 so as to be orthogonal to the right side wall 48c (see FIG. 25) of the container case 48 and to protrude from the side wall 48c toward the container opening 48a. Has been.
- the container opening 48a has a rib shape formed on the entire circumference along the outer shape of the container case 48, and the film 49 is attached to the container opening 48a by welding.
- the film 49 is simultaneously formed with respect to a plurality of ribs (for example, the intersecting rib portions 101 to 103 and the vertical rib portions 111 to 118) erected in the left-right direction X in the ink chamber 50 simultaneously with the container opening 48a. However, they are similarly welded and attached.
- the region corresponding to the window 42 a on the right side surface of the ink tank 43 (container case 48) is formed to face the right direction (one direction) and to the right direction.
- the liquid surface 51 of the ink accommodated in the ink chamber 50 functions as a visual recognition surface 43a.
- the visual recognition surface 43a has a width in the front-rear direction Y larger than the height in the vertical direction Z.
- an inlet 52 as an example of a liquid inlet that can inject ink into the ink chamber 50 is formed in the upper part of the container case 48.
- the inlet 52 is located on one side (front side in the present embodiment) of the container case 48 in the middle of the front-rear direction Y, and on one side of the viewing surface 43a in the middle of the front-rear direction Y (in the present embodiment). It is formed at the position of the front side.
- the injection port 52 protrudes toward the outer side of the ink chamber 50 and at the tip of the cylindrical portion 53 that protrudes in the upper right direction that is not orthogonal to the vertical direction Z and is higher than the horizontal direction. It is formed to open. Therefore, the end surface 52 a of the injection port 52 is non-orthogonal with respect to the vertical direction Z.
- the direction in which the cylindrical portion 53 is inclined is a direction in which the tip (end surface 52a) of the cylindrical portion 53 is separated from the mounting surface 13a when the tank unit 27 is attached to the apparatus main body 13, and is a direction in which the visual recognition surface 43a is approached. It is.
- the inclination of the injection port forming surface 54 with respect to the vertical direction Z and the inclination of the cylindrical portion 53 are the same. Further, at a position above the viewing surface 43a and between the injection port 52 and the viewing surface 43a, a damming convex portion 55 as an example of a plate-like damming portion and a protruding portion is formed at the inlet. It protrudes from the formation surface 54.
- the damming convex portion 55 is inclined in the same direction as the cylindrical portion 53 (injection port 52) and is orthogonal to the injection port forming surface 54.
- the blocking convex portion 55 is formed so as to protrude from a position closer to the cylindrical portion 53 than the right end on the viewing surface 43a side of the injection port forming surface 54, and the right end of the injection port forming surface 54 is formed on the viewing surface 43a.
- the stepped portion 54a is located above the damming convex portion 55 and the viewing surface 43a.
- the inlet forming surface 54 formed in a downward slope shape from the inlet 52 toward the dam projections 55 in the upper part of the housing case 48 is formed on both sides in the front-rear direction Y. It is in a position that is lower in the vertical direction Z than the adjacent part. That is, the injection port forming surface 54 is sandwiched between the front and rear sides. Therefore, when ink leaks from the injection port 52, leaked ink as an example of the leaked liquid flows so as to travel along the injection port forming surface 54. Therefore, the inlet forming surface 54 functions as a flow path for leaked ink, and the damming projection 55 is positioned on the flow path for leaked ink.
- rib portions 56 extending along the left-right direction X on the left side and the right side of the cylindrical portion 53 are formed on the injection port forming surface 54 so as to sandwich the cylindrical portion 53 from both sides in the left-right direction X. Has been. Therefore, the injection port forming surface 54 is divided into front and rear by the rib portion 56.
- the blocking protrusion 55 and the stepped portion 54 a have a width in the front-rear direction Y that intersects the lower right direction (an example of the leakage direction) that is the direction in which the leakage ink flows. 52 and the width of the cylindrical portion 53 are larger.
- a closing member 58 capable of closing the injection port 52 is detachably attached to the tip of the cylindrical portion 53.
- the closing member 58 is connected to the other end side of a tether 58 a having one end connected to the tank case 42. Further, the closing member 58 is formed with a knob 58b on the upper side and a tubular fitting part 58c for fitting with the injection port 52 on the lower side.
- a lead as an example of a liquid outlet for leading the ink stored in the ink chamber 50 to the tube 31 side.
- An outlet 59 is formed.
- the lead-out port 59 is located on one side (front side in the present embodiment) of the container case 48 from the midway position in the front-rear direction Y, and is located on one side of the visual recognition surface 43a in the midway position in the front-rear direction Y (in this embodiment). It is formed at the position of the front side.
- an air release port 60 for taking air into the ink chamber 50 and opening it to the atmosphere is formed on the upper surface of the container case 48 where the injection port 52 is formed.
- the container case 48 is formed with at least one (two in this embodiment) tank locking portion 62 that locks the mounting screws 61 (see FIG. 24) that are attached when the container case 48 is fixed to the tank case 42.
- at least one (two in the present embodiment) positioning recesses 63a and 63b are formed on the right side surface of the housing case 48 as an example. Of the positioning recesses 63a and 63b, one positioning recess 63a (located on the front side in the present embodiment) is formed in an elongated hole shape in the front-rear direction Y.
- a lower limit scale 64a as an example of a scale and an upper limit scale 64b as an example of a scale are formed to protrude at the front side position on the viewing surface 43a.
- the lower limit scale 64a and the upper limit scale 64b are formed on one side (the front side in the present embodiment) from the midway position in the front-rear direction Y on the viewing surface 43a.
- the window part 42a does not conceal the upper limit scale 64b
- the width in the vertical direction Z on the front side is larger than the width in the vertical direction Z on the rear side (see FIG. 3). Therefore, similarly to the window portion 42a, the visual recognition surface 43a also has a larger width in the vertical direction Z on the front side than the width in the vertical direction Z on the rear side.
- the lower limit scale 64 a is formed on the outlet 59 side of the midway position in the front-rear direction Y and on the upper side of the outlet 59.
- the upper limit scale 64 b is formed on the inlet 52 side of the midway position in the front-rear direction Y and at a position below the inlet 52 and the atmosphere opening 60.
- the outlet 59 and the inlet 52 are formed on the same side (front side) in the front-rear direction Y. Therefore, the lower limit scale 64a is formed on the injection port 52 side with respect to the midway position in the front-rear direction Y and below the injection port 52 and the upper limit scale 64b. Therefore, a plurality of scales are formed on the viewing surface 43a on the same side in the front-rear direction Y with an interval in the vertical direction Z.
- the lower limit scale 64a is a scale indicating a lower limit amount that serves as a guide for injecting ink into the ink chamber 50.
- the upper limit scale 64 b is a scale indicating the upper limit amount of ink that is injected from the injection port 52 and accommodated in the ink chamber 50.
- the film 49 is positioned outside the opening area of the container opening 48a, that is, outside the container case 48 in the left-right direction X when attached to the container case 48.
- the region outer position 49a and the region outer position 49c are provided with through holes 49H, respectively.
- the region outer positions 49a and 49b of the film 49 are formed on both sides in the vertical direction Z with respect to the container opening 48a, respectively, and the film 49 on both sides in the front-rear direction Y with respect to the container opening 48a.
- Region external positions 49c and 49d are formed, respectively.
- a gap is provided between the container case 48 and the tank case 42 on both sides in the vertical direction Z and both sides in the front-rear direction. In this gap, the outer region positions 49a, 49b, 49c, 49d of the film 49 can be stored.
- the region external position 49d formed on the film 49 has a shape that protrudes outward (rear side) from the tank case 42 as shown in FIG.
- the protruding portion is inserted into a groove 42M formed as a gap between the tank case 42 and the container case 48, and is stored in a state of being folded into the groove 42M.
- the groove 42M is a recessed space having a predetermined width in the front-rear direction Y, a predetermined length in the vertical direction Z, and a predetermined length in the left-right direction X, and the region external position 49d can be folded and stored. It is formed as a space.
- the tank case 42 includes case locking portions 68a to 68e as an example of locking portions for locking a screw 36 (see FIG. 23) inserted when the tank case 42 is fixed to the apparatus main body 13. , At least one (5 in this embodiment) is formed. That is, the first to fifth case locking portions 68a to 68e are formed corresponding to the screw boss portions 37 formed on the mounting surface 13a. An engaging portion 69 that can engage with the boss portion 38 is formed at a position corresponding to the boss portion 38 of the apparatus main body 13 in the tank case 42.
- the region external positions 49a, 49b, and 49c formed on the film 49 have a shape that does not interfere with the attachment of the tank unit 27 to the apparatus main body 13. That is, the screwing portion 66 for attaching the ink tank 43 (container case 48) to the tank case 42 and the case locking portions 68a to 68e for fixing the tank case 42 to the apparatus main body 13 are fixed members ( The shape is cut out so as not to overlap in the direction in which the screw is inserted, that is, in the left-right direction X. Thus, the film 49 has a shape that does not hinder the fixing work by the fixing member (screw).
- the manufacturing method of the ink tank 43 of the present embodiment that is, the process of manufacturing the ink tank 43 by attaching the film 49 to the container opening 48a of the container case 48 will be described.
- the film 49 is formed on the container opening 48a (and the vertical ribs 111 to 118 formed in the ink chamber 50) by a welding device (not shown) using ultrasonic waves or heat. It will be described as being attached to it.
- the film 49 is sucked and held by a holding tool (not shown) (for example, a suction pad). At this time, the entire region of the film 49 is adsorbed by adsorbing the region external positions 49a, 49b, 49c, and 49d as shown by the shaded portions in FIG. Further, a pin as an example of a positioning member provided in the holder is inserted into two through holes 49H provided at two positions separated from each other in the longitudinal direction. Since the two through holes 49H are provided at a substantially diagonal position of the film 49 which is also a substantially diagonal position of the container opening 48a, the film 49 is attracted to the holder in a stable posture in which rotation is suppressed. Retained.
- a holding tool for example, a suction pad
- the holder holds the film 49 held by suction with the container opening 48a of the container case 48 in which the container opening 48a is placed on a predetermined mounting table in the vertical direction.
- the film 49 moves without causing a positional shift accompanying rotation about the axis in the thickness direction of the film 49.
- the basal plane 50a is inclined so that the end side (the left front side in FIG. 24) which is the outlet 59 side in the left-right direction X is lowered. Further, an injection port 52 for injecting ink into the ink chamber 50 is disposed above the base surface 50a.
- the ink chamber 50 at least one or at least two crossing the base surface 50a located below the injection port 52 (three in the present embodiment).
- Crossing rib portions 101 to 103 are provided.
- the intersecting rib portions 101 to 103 protrude upward from the base surface 50a with a distance in the front-rear direction Y (an example of the first direction).
- the intersecting rib portions 101 to 103 are provided so as to extend along the left-right direction X (an example of the second direction).
- the front-rear direction Y in the present embodiment is a direction along the direction away from the injection port 52 while intersecting the gravity direction, and is the longitudinal direction of the ink chamber 50.
- the left-right direction X is a direction orthogonal to the bidirectional direction of the gravity direction and the front-rear direction Y.
- the distance between the second intersecting rib portion 102 and the upper surface 50e is wider than the distance between the first intersecting rib portion 101 and the upper surface 50e, and is smaller than the distance between the third intersecting rib portion 103 and the upper surface 50e.
- the intersecting rib portions 101 to 103 and the first extending portion 104 are orthogonal to the right side surface 50f of the housing case 48, and protrude from the right side surface 50f side toward the housing body opening 48a side. It is integrally molded with the case 48. In other words, the intersecting rib portions 101 to 103 and the first extending portion 104 are formed to protrude from the right side surface 50f of the ink chamber 50.
- the intersecting rib portions 101 to 103 are formed apart from the upper surface 50e. Therefore, when the film 49 is bonded, the upper side of each of the intersecting rib portions 101 to 103 functions as the second communication portion 106. That is, the second communication portion 106 is provided between the upper surface 50e and each of the intersecting rib portions 101 to 103. Further, the intersecting rib portions 101 to 103 have a plurality (two in the present embodiment) of communication portions 105 and 106 at different positions in the vertical direction Z.
- the vertical rib portions 111 to 118, the second extending portion 119, and the projecting portions 121 and 122 are accommodated so as to be orthogonal to the right side surface 50f and project from the right side surface 50f side toward the container opening 48a side. It is integrally molded with the body case 48. In other words, the vertical rib portions 111 to 118, the second extending portion 119, and the protruding portions 121 and 122 are formed so as to protrude from the right side surface 50f.
- the first air chamber 200a on the rearmost side (the leftmost side in FIGS. 24 and 32) of the plurality of air chambers 200a to 200j communicates with the partition wall 48b which is also the bottom wall of the chamber. It communicates with the ink chamber 50 through the port 210.
- the tenth air chamber 200j on the foremost side (the rightmost side in FIGS. 24 and 32) among the air chambers 200a to 200j is open to the atmosphere formed on the upper wall of the housing case 48, which is also the upper wall of the chamber. The air communicates with the atmosphere through the mouth 60.
- the concave groove 344 formed in the gripping portion 341 of the valve lever 47 is a circuit route around the rotation shaft 331. It is arranged at the lowermost position on the top.
- the rotational resistance acting on the outer peripheral surface of the cam 345 from the slider 310 is different between the case where the protrusion 317 of the slider 310 rides on the curved surface 355 from the flat surface 348 of the cam 345 and the case where the protrusion 317 of the slider 310 moves to the cam 345.
- This is different from the case where the curved surface 355 is slid. Therefore, it is easily recognized that the choke valve 45 has started to switch from the closed state to the open state based on the change in resistance when the valve lever 47 is rotated in the valve opening direction.
- the valve lever 47 is further rotated about the rotation shaft 331 in the clockwise direction shown in FIG.
- the curved surface 355 of the cam 345 gradually decreases in distance from the axis center J of the rotation shaft 331 from the flat surface 348 side toward the convex portion 350 side. Therefore, as the cam 310 rotates, the slider 310 gradually reduces the pressing force acting from the curved surface 355 of the cam 345 in the direction in which the tube 31 is crushed.
- the tip portion of the pressing portion 315 a that is in contact with the outer surface of the tube 31 is pushed back according to the elastic return force of the tube 31. For this reason, the protrusion 317 of the slider 310 is maintained in a state of being in sliding contact with the curved surface 355 of the cam 345 when the cam 345 is rotated.
- the protrusion 317 of the slider 310 gets over the protrusion 350 of the cam 345, the protrusion 317 collides with the outer peripheral surface of the cam 345 and generates a sound. Therefore, it is easily recognized that the valve lever 47 has been switched to the valve open state.
- the convex portion 350 of the cam 345 is locked by the convex strip 317 of the slider 310, so that the choke valve 45 is temporarily fixed to the open state. Therefore, even if the application of the external force for the rotation operation to the valve lever 47 is released, the choke valve 45 is reliably maintained in the open state.
- the ink tank 43 When the ink tank 43 is inclined such that the step bottom surface 50b side of the ink chamber 50 is higher than the base bottom surface 50a side, the ink flows from the step bottom surface 50b side to the base bottom surface 50a side. In this case, the ink stored in the ink chamber 50 is collected in the liquid collection recess 50 d and then flows out through the outlet 59.
- the ink chamber 50 when the ink chamber 50 is inclined such that the base bottom surface 50a side of the ink chamber 50 is higher than the step bottom surface 50b side, the ink flows to the step bottom surface 50b side. It is suppressed by the step side surface 50c. Since the outlet port 59 is provided on the base surface 50a side (the right end side in FIG. 52) in the longitudinal direction (front-rearward direction Y) of the bottom, the ink blocked by the step side surface 50c on the base surface 50a side is guided. It flows out from the outlet 59.
- the ink dammed to the base bottom surface 50a side by the stepped side surface 50c is collected in the liquid collection recess 50d and then flows out from the outlet port 59.
- the ink accumulated on the side of the step bottom surface 50b remains without flowing out from the outlet 59, but the remaining amount is smaller than when the step bottom surface 50b and the step side surface 50c are not provided. That is, when the ink tank 43 is inclined such that the first end side in the longitudinal direction where the outlet 59 is provided is raised, the amount of ink remaining at the bottom of the ink chamber 50 is reduced.
- the injection port Ink is replenished by injecting ink through 52.
- the ink is ejected in a state where the ink is not supplied through the outlet 59, and there is a possibility that a printing defect may occur.
- the amount of ink remaining at the bottom of the ink chamber 50 is reduced, so that such a concern is reduced.
- the ink liquid level 51 is positioned higher than the first intersecting rib portion 101
- the thin ink passes through the communicating portion 106 between the first intersecting rib portion 101 and the upper surface 50e, and the outlet port. It flows to 59 side.
- the dark ink flows through the communication portion 105 located at the lower end of the first intersecting rib portion 101 and flows toward the outlet 59. Accordingly, the ink is led out from the outlet 59 in a state where the dark ink and the light ink are mixed.
- the thin ink passes between the second intersecting rib portion 102 and the upper surface 50e toward the outlet port 59. Flowing.
- the dark ink flows to the outlet port 59 side through the communication portion 105 located at the lower end of the second intersecting rib portion 102. Further, the ink passes through the communication portion 105 of the first intersecting rib portion 101 in a state where the dark ink and the light ink are mixed, and is led out from the outlet port 59.
- the thin ink passes through the communication portion 106 between the third intersecting rib portion 103 and the upper surface 50e and is guided. It flows to the exit 59 side.
- the dark ink passes through the communication portion 105 located at the lower end of the third intersecting rib portion 103 and flows toward the outlet 59. That is, the ink passes through the communication portion 105 of the second intersecting rib portion 102 and the communication portion 105 of the first intersecting rib portion 101 in a state where the dark ink and the light ink are mixed, and is led out from the outlet 59.
- the following effects can be obtained.
- (1-1) Positioning with respect to the holder when holding the film 49 held and moved by the holder, for example, for attachment to the container opening 48a of the container case 48, for example, a positioning member such as a pin Can be easily performed using the through-hole 49H into which can be inserted. For this reason, the film 49 is transported to a position where the container opening 48a of the container case 48 is closed in a state where no displacement occurs, and is then attached to the container case 48 by, for example, welding. The Accordingly, the positional deviation of the film 49 attached to the container case 48 so as to seal the container opening 48a of the container case 48 with respect to the container opening 48a is suppressed.
- the regions 49a, 49b, 49c, and 49d of the region 49 of the film 49 that protrudes outward from the container opening 48a of the container case 48 are not exposed to the gap between the tank case 42. Since it can be folded and stored, for example, the tank unit 27 that is preferable in appearance can be obtained.
- the recording apparatus including the tank unit 27 having the ink chamber 50 with good sealing performance. 12 (liquid consuming device) can be realized.
- the flow of ink along the front-rear direction Y which is the direction away from the injection port 52, can be inhibited by the vertical rib portions 111 to 118 extending in the direction intersecting the step bottom surface 50b. That is, the ink can be agitated by causing a swirl flow in the ink.
- the recording apparatus 12 that can easily eliminate the uneven density of the ink stored in the ink chamber 50 can be used.
- the air chamber 200 is positioned above the ink chamber 50, and ink is supplied from the ink chamber 50 side to the air chamber 200 side through the communication port 210. Since ink is difficult to enter, it is possible to prevent ink from leaking outside through the atmosphere opening 60.
- the communication path 221 connecting the first opening 211 and the second opening 212 is not
- the first opening 211 and the second opening 212 have a flow path portion 221a that is further away from the gas-liquid interface by being separated from the partition wall 48b. Therefore, it is possible to make it impossible to exchange gas and liquid between the air and the ink at the flow path portion 221a which is the lowermost portion when the apparatus is inverted. Therefore, a negative pressure can be generated on the ink chamber 50 side with respect to the communication path 221, and leakage of ink from the ink chamber 50 side can be stopped.
- a bracket 361 for screwing the choke valve 45 to the inner bottom surface of the tank case 42 extends from the choke valve 45 in the thickness direction of the tank case 42. Since it is not necessary to install, the dimension of the tank case 42 in the thickness direction can be reduced. Further, since the choke valve 45 can be assembled to the tank case 42 independently of the ink tank 43, the assembling property of the choke valve 45 to the tank case 42 can be improved.
- the outlet port 59 is provided on the base surface 50a side in the longitudinal direction of the bottom (front-rear direction Y), the ink dammed to the base surface 50a side by the stepped side surface 50c can flow out from the outlet port 59. it can. That is, when the ink tank 43 is inclined, all of the ink in the ink chamber 50 is prevented from flowing out and remaining at the bottom. Therefore, the amount of ink remaining at the bottom of the ink chamber 50 can be reduced even in the inclined state.
- the choke valve 45 is disposed between the tank case 42 and the front surface 43b constituting the side surface of the ink tank 43 other than the bottom surface 43c and the top surface 43d facing the bottom surface 43c. Therefore, the height of the tank unit 27 can be suppressed as compared with the case where the choke valve 45 is disposed between the bottom surface 43c or the top surface 43d of the ink tank 43 and the tank case 42.
- the choke valve 45 is disposed between the front surface 43b having the narrowest width and the tank case 42 among the side surfaces of the ink tank 43 other than the bottom surface 43c and the top surface 43d facing the bottom surface 43c. Yes. For this reason, the choke valve 45 can be accommodated within the width of the narrowest front surface 43b of the side surfaces of the ink tank 43, so that the increase in the width of the tank unit 27 can be suppressed.
- the base bottom surface 50a is shorter in the front-rear direction Y than the step bottom surface 50b. Therefore, when the base bottom surface 50a is inclined, the base bottom surface 50a in the front-rear direction Y It is possible to reduce the amount of ink remaining without flowing out from the outlet 59 provided at the position on the end side.
- the ink dammed to the base bottom surface 50a side by the stepped side surface 50c can be collected in the liquid collection recess 50d, and the ink can flow out through the outlet port 59. Therefore, the amount of ink remaining on the base surface 50a side from the step side surface 50c at the bottom of the ink chamber 50 can be reduced.
- the base bottom surface 50a is inclined so that the outlet 59 side is lowered, so that the ink blocked by the step side surface 50c on the base bottom surface 50a side is discharged along the inclination. It can be made to flow to the 59 side. Therefore, the amount of ink remaining at the bottom of the ink chamber 50 can be reduced even in the inclined state.
- a recording apparatus 85 as an example of a liquid consuming apparatus includes an operation button 86 on the front side.
- a position below the operation button 86 has a discharge port 88 for discharging the paper P from the inside of the apparatus main body 87 as an example of a housing.
- a discharge tray 89 that can be pulled out is accommodated.
- a rotating medium support 90 capable of stacking a plurality of sheets P is attached.
- a wedge-shaped projecting portion 87b as viewed from above is integrally formed at the front side position of the attachment surface 87a to which the tank unit 27 is attached in the apparatus main body 87.
- the overhang portion 87b is curved from the top to the front so as to fill the gap between the apparatus main body 87 and the tank unit 27, and the front surface of the overhang portion 87b and the front surface of the tank unit 27 face each other. Become one.
- the tank unit 27 is fixed to the apparatus main body 87 via an L-shaped cross section spacer 91 that fills the gap between the apparatus main body 87 and the lower portion.
- the spacer 91 is provided in the front-rear direction Y from the overhanging portion 87b to the engaging recess 72 corresponding to the fourth case locking portion 68d.
- the spacer 91 engages with the engagement recess 72 in which the fourth case locking portion 68d is formed.
- the tank case 42 to which the ink tank 43 is fixed is first aligned with the mounting surface 87a with the spacer 91 interposed.
- the spacer 91 is aligned by engaging the engaging portion (not shown) with the boss portion 38 and engaging with the engaging recess 72 formed with the fourth case locking portion 68d.
- the screws 36 are screwed onto the case locking portions 68a to 68e to fix the tank case 42 and the apparatus main body 87 together.
- the cover 44 is mounted from the rear side of the tank case 42 so that the rail portions 76 a and 76 b and the sliding contact portion 80 are engaged.
- the tank unit 27 can be attached to different recording devices 12 and 85. That is, the tank unit 27 can be shared by a plurality of types of recording devices 12 and 85.
- the size of the cover 44 may be smaller than the size of the ink tank 43.
- the cover 44 can be accommodated on the ink tank 43. Therefore, even when the tank unit 27 includes the cover 44, the possibility of the cover 44 being caught during transportation can be reduced.
- the ink tank 43 may have a configuration in which the cylindrical portion 53 is not provided (modified example). That is, the end surface 52a of the injection port 52 and the injection port formation surface 54 may be made to coincide.
- the cylindrical portion 53 may be formed so as to protrude upward along the vertical direction Z.
- a cylindrical attachment 93 having a curved middle position in the vertical direction Z to the cylindrical portion 94.
- the hole formed in the attachment 93 can be used as the injection port 52, and the end surface 52a of the injection port 52 can be made non-orthogonal with respect to the vertical direction Z (modified example).
- the attachment 93 may be deformable.
- the direction in which the cylindrical portion 53 protrudes can be set arbitrarily.
- the cylindrical portion 53 may be protruded in the upper left direction on the apparatus main body 13 side when fixed to the apparatus main body 13.
- the tank case 42 may be configured without the placement portion 75.
- the mounting portion 75 may be provided not on the tank case 42 but on the ink tank 43 and the cover 44.
- a mounting portion 75 may be provided on the mounting surface 13a so that the closing member 58 can be mounted.
- the placement portion 75 may be formed at a position that can be seen by a user who looks down regardless of the position of the cover 44.
- the cover 44 may be moved between a concealing position that convolves around the axis to conceal the injection port 52 and a non-concealing position that is different from the concealing position.
- the shaft may be provided along the left-right direction X or the front-back direction Y, and the cover 44 positioned at the concealment position may be rotated upward to be positioned at the non-concealment position.
- the shaft may be provided along the up-down direction Z, and the cover 44 may be rotated along the left-right direction X and the front-rear direction Y.
- the tank unit 27 may be configured without the cover 44. -In each said embodiment and each Example, you may make height h1 in the up-down direction Z from the lower limit scale 64a to the upper limit scale 64b larger than 40 mm. If the tank unit 27 is manufactured and assembled with high accuracy, the recording devices 12 and 85 are installed horizontally, and the fluctuation of the liquid level 51 is kept between the lower limit scale 64a and the upper limit scale 64b, the liquid can be liquid even if the height h1 is 70 mm. Ink can be satisfactorily supplied to the ejection head 32.
- the height h2 in the vertical direction Z from the outlet 59 to the upper limit scale 64b may be greater than 55 mm. If the tank unit 27 is manufactured and assembled with high accuracy, the recording devices 12 and 85 are installed horizontally, and the fluctuation of the liquid level 51 is kept between the outlet 59 and the upper limit scale 64b, the liquid can be liquid even if the height h2 is 70 mm. Ink can be satisfactorily supplied to the ejection head 32.
- the height h3 in the vertical direction Z from the outlet 59 to the inlet 52 may be larger than 70 mm.
- the size of the ink chamber 50 may be smaller in the width in the left-right direction X than in the vertical direction Z. Further, the width in the front-rear direction Y may be smaller than the height in the vertical direction Z.
- any one of the lower limit scale 64a and the upper limit scale 64b may be provided.
- a scale may be formed.
- the viewing surface 43a may be formed to face a plurality of directions.
- the lower limit scale 64a may be formed on the viewing surface 43a by causing the inlet forming surface 54 to function as the viewing surface
- the upper limit scale 64b may be formed on the inlet forming surface 54.
- a window portion may be formed on the front surface or the rear surface of the tank case 42, and the front surface and the rear surface of the ink tank 43 visible from the window portion may function as a visual recognition surface.
- the upper limit scale 64b may be formed on the side opposite to the side where the injection port 52 is formed in the front-rear direction Y.
- the visual recognition surface 43a may make the width
- the lower limit scale 64a may be formed on the side opposite to the side where the injection port 52 is formed in the front-rear direction Y. Further, the lower limit scale 64a may be formed on the side opposite to the side where the outlet 59 is formed in the front-rear direction Y.
- the lower limit scale 64a and the upper limit scale 64b may be formed by shifting the position in the front-rear direction Y even when they are formed on the same side in the front-rear direction Y. Furthermore, the lower limit scale 64a and the upper limit scale 64b may be formed by shifting the position from the injection port 52 in the front-rear direction Y.
- the inlet 52 and the outlet 59 may be formed on different sides of the ink tank 43 in the front-rear direction Y.
- the inclination of the cylindrical portion 53 with respect to the vertical direction Z and the inclination of the injection port forming surface 54 with respect to the vertical direction Z may be different.
- the injection port forming surface 95 may be formed to be orthogonal to the vertical direction Z as shown in FIG.
- the injection port 52 may be formed on the injection port forming surface 54 without forming the cylindrical portion 53. Since the injection port forming surface 54 is non-orthogonal with respect to the vertical direction Z, the end surface 52a of the injection port 52 is also non-orthogonal with respect to the vertical direction Z. Further, a dam protrusion convex portion 55 may be provided at the same position or in an upper position in the vertical direction Z with respect to the injection port 52.
- a flow path 410 as an example of the second flow path is formed in the cylindrical portion 53, and the ink chamber 50 communicates with the tip of the flow path 410.
- the injection port 52 to be formed may be formed (modified example).
- the channel 410 is formed inside a cylindrical portion 53 that extends in an obliquely upward direction as an example of a direction that is not orthogonal to the vertical direction Z, and extends in an obliquely upward direction as in the cylindrical portion 53. ing. Therefore, when the ink tank 43 is fixed to the recording apparatus 12 including the liquid ejecting head 32, the flow path 410 is inclined in a direction away from the recording apparatus 12 toward the injection port 52 side. Further, the cylindrical portion 53 may extend outward from the ink chamber 50 and may also extend inside the ink chamber 50. That is, the flow path 410 may extend outward from the ink chamber 50 or may extend inside the ink chamber 50.
- the flow path 410 extending in the vertical direction Z
- the injected ink collides with the wall of the flow path 410 and the surroundings are contaminated by splashing. There is a risk of it.
- the flow path 410 extends in a direction that is not orthogonal to the vertical direction Z
- contamination due to ink splashing can be reduced.
- the flow path 410 is located outside the ink chamber 50, the ink can be injected more easily from the injection port 52 formed at the tip of the flow path 410.
- the flow path 410 is formed so as to be inclined in a direction away from the recording apparatus 12, so that ink can be injected more easily.
- the end surface 52 a of the injection port 52 is orthogonal to the vertical direction Z with respect to the flow path 410 extending in a direction not orthogonal to the vertical direction Z You may form along the horizontal direction to do (modification).
- the cylindrical portion 53 may be extended inside the ink chamber 50 without extending outside the ink chamber 50 (modified example). That is, the flow path 410 may be formed so as to extend inside the ink chamber 50.
- the end surface 52a of the injection port 52 and the injection port forming surface 54 coincide with each other. Since the injection port forming surface 54 is non-orthogonal with respect to the vertical direction Z, the end surface 52a of the injection port 52 is also non-orthogonal with respect to the vertical direction Z.
- the cylindrical portion 53 is formed so as to protrude upward, and the distal end surface of the cylindrical portion 53 is not orthogonal to the vertical direction Z.
- the end surface 52a of the injection port 52 may be non-orthogonal with respect to the vertical direction Z (modified example). Since the flow path 410 extends in the vertical direction Z, the cylindrical portion 53 can also be formed to extend in the vertical direction Z. Therefore, since the cylinder part 53 does not protrude except in the vertical direction Z, it is difficult to get in the way.
- the end surface 52a of the injection port 52 and the injection port formation surface 54 may be non-parallel (modified example). That is, the end surface 52a of the injection port 52 may be orthogonal to the vertical direction Z, and the injection port formation surface 54 may be formed to be non-perpendicular to the vertical direction Z. By inclining the injection port forming surface 54, even when ink leaks from the injection port 52, the ink can flow along the injection port forming surface 54.
- the cylindrical portion 53 that extends along the vertical direction Z and the flow path 410 that is formed in the cylindrical portion 53 and extends along the vertical direction Z are used as ink. It may be formed inside the chamber 50 (modified example). Note that the end surface 52 a of the injection port 52 is non-orthogonal with respect to the vertical direction Z, similarly to the injection port formation surface 54.
- the end surface 52a of the inlet 52 is formed non-orthogonally with respect to the vertical direction Z with respect to the flow path 410 extending along the vertical direction Z as shown in FIG. (Modification). Further, the injection port forming surface 95 may be formed along a horizontal direction orthogonal to the vertical direction Z.
- the end surface 52a of the injection port 52 is not in the vertical direction Z with respect to the flow path 410 extending in a direction not orthogonal to the vertical direction Z. You may form orthogonally (modification example). Further, the injection port forming surface 95 may be formed along a horizontal direction orthogonal to the vertical direction Z.
- the end surface 52a of the inlet 52 is orthogonal to the vertical direction Z with respect to the flow path 410 extending in a direction not orthogonal to the vertical direction Z. (Modification). Further, the injection port forming surface 95 may be formed along a horizontal direction orthogonal to the vertical direction Z.
- the inclinations of the injection port 52 and the dam projections 55 with respect to the vertical direction Z may be different. That is, the inclination with respect to the up-down direction Z of the cylinder part 53 in which the injection port 52 was formed, and the damming convex part 55 may be varied.
- the inlet forming surface 54 may be formed so as to face a plurality of directions.
- the injection port forming surface 54 may be formed in a mountain shape or a valley shape from walls located on both sides in the front-rear direction Y toward the rib portion 56.
- a blocking recess 96 as an example of a blocking portion and a groove portion may be formed in the inlet forming surface 54 (modification).
- the leaked ink can be blocked by capturing the leaked ink by the blocking recess 96 formed in the inlet forming surface 54.
- the blocking recess 96 and the blocking projection 55 may be formed side by side.
- the injection port forming surface 54 may be a slope that climbs toward the viewing surface 43a.
- the damming convex part 55 may be located above the injection port 52.
- An absorbent material 39 is interposed between the apparatus main body 13 and the tank unit 27. Therefore, the ink that leaks from the injection port 52 and travels through the injection port formation surface 54 is absorbed by the absorbent 39. Therefore, the absorbing material 39 is provided in the flow path of the leaked ink. By attaching the absorbent 39 on the leaked ink flow path, the leaked ink can be absorbed by the absorbent 39. Therefore, it is possible to reduce the risk of the surroundings being contaminated by the leaked ink.
- the width in the front-rear direction Y of the blocking protrusion 55 may be smaller than the width of the injection port 52 or the cylindrical portion 53.
- the shape of the blocking protrusion 55 may be a U shape, a V shape, a W shape, or the like.
- the damming convex portion 55 may be formed in a ring shape surrounding the injection port 52 or a C shape with a part separated.
- the blocking protrusion 55 may be formed at the end of the inlet forming surface 54 and the stepped portion 54a may not be provided. Further, the stepped portion 54a may be formed to have a surface orthogonal to the vertical direction Z or a surface inclined toward the damming convex portion 55.
- an absorbent material 97 may be interposed between the ink tank 43 and the tank case 42.
- the tank case 42 functions as an example of a protective member.
- an absorbent material 98 interposed between the apparatus main body 13 and the ink tank 43 may be extended to the inlet forming surface 54. That is, the absorber 98 is continuously arranged from the injection port 52 to between the apparatus main body 13 and the ink tank 43, and is provided in the flow path of the leaked ink. According to this configuration, it is possible to absorb leaked ink leaked from the injection port 52 and leaked ink flowing between the ink tank 43 and the apparatus main body 13 by one absorbent material 98. Further, an absorbent material may be provided on the injection port forming surface 54 separately from the absorbent material 39 to absorb ink leaked from the cylindrical portion 53.
- the ink tank 43 may include the absorber 39.
- the absorbent material 98 may be disposed not only on the injection port forming surface 54 but also on a surface extending in a direction intersecting with the injection port forming surface 54.
- the liquid surface 51 in the ink chamber 50 may be disposed on the right surface of the ink tank 43 provided with a visual recognition surface 43a that can be visually recognized from the outside. That is, when the absorbent material 98 is disposed on the right surface of the ink tank 43, the absorbent material 98 may be continuously provided up to a position near the injection port forming surface 54 that is above the viewing surface 43a. Moreover, you may provide the absorber 98 as a separate body in each surface.
- the absorbent material 98 is disposed at a position between the visual recognition surface 43 a and the injection port forming surface 54, the possibility that the visual recognition surface 43 a is contaminated with ink leaking from the injection port 52 can be reduced. Therefore, the possibility that the visibility of the liquid surface 51 from the viewing surface 43a may be reduced.
- the thickness of the absorbent 39 in the left-right direction may be made thinner than the width of the gap between the apparatus main body 13 and the ink tank 43. That is, when the tank unit 27 is fixed to the apparatus main body 13, the absorbent 39 may be interposed without being compressed and deformed.
- the absorbent material 39 may be sandwiched between the apparatus main body 13 and the tank unit 27 without being attached to the apparatus main body 13. Further, the absorbent 39 may be inserted into the gap between the apparatus main body 13 and the tank unit 27 in a state where the tank unit 27 is fixed to the apparatus main body 13.
- absorbent materials 39, 97, and 99 may be disposed on the outer surface of the ink tank 43 (modified example). That is, the absorbers 39, 97, 99 may be disposed at at least one place on the outer surface of the ink tank 43. In this way, the ink that has adhered to the periphery of the injection port 52 at the time of ink injection or flows so as to travel along the outer surface of the ink tank 43 after the ink injection is disposed in at least one place on the outer surface of the ink tank 43.
- the absorbent 39, 97, 99 can absorb. Therefore, it is possible to reduce the risk of the surroundings being contaminated with such ink.
- the surface that intersects the injection port forming surface 54 provided with the injection port 52 is the surface on the apparatus main body 13 side of the recording device 12 (the left surface in FIG. 69).
- the absorbent material 39 may be disposed on the surface of the film 49 constituting the. In this way, even when the ink adhering to the periphery of the injection port 52 flows so as to travel along the surface formed by the film 49 on the outer surface of the ink tank 43, the ink reaches the installation surface of the ink tank 43. Since it is absorbed by the absorbent 39 before flowing, the risk of the surroundings being contaminated with such ink can be reduced.
- the absorbent 39 is arranged not only on the left side of the ink tank 43 but also on the right side, front side, rear side, etc., as long as it is a plane that intersects the inlet forming surface 54 of the outer surface of the ink tank 43. You may set up. Further, when the absorbent materials 39, 97, and 99 are mounted as an example of the arrangement on the outer surface of the ink tank 43, the mounting methods include bonding with an adhesive, sticking using a double-sided tape or adhesive tape, and nails. Engagement with the engagement portion or the engagement concave portion, fixation using a fixing member, placement on the ink tank 43, and the like.
- the absorbent 99 may be disposed on the injection port forming surface 54 provided with the injection port 52 in the outer surface of the ink tank 43. In this case, by attaching the absorbing material 99 to the injection port forming surface 54, the ink adhering to the periphery of the injection port 52 at the time of ink injection can be efficiently absorbed by the absorbing material 99.
- the surface of the outer surface of the ink tank 43 that intersects the injection port forming surface 54 and that constitutes the visual recognition surface 43a through which the liquid level 51 of the ink in the ink tank 43 can be visually recognized (the right side in FIG. 69).
- the absorbent material may be disposed at a position on the injection port 52 side in the vertical direction. In FIG. 69, the absorbent material disposed at such a position is one end side portion (right end side portion in the figure) of the absorbent material 99 disposed on the injection port forming surface 54.
- the part which is over the damming convex part 55 from the inlet forming surface 54 side to the stepped part 54a side and hangs downward with the viewing surface 43a corresponds.
- the ink adhering to the periphery of the injection port 52 at the time of ink injection is prevented from reaching the visual recognition surface 43a where the liquid level 51 of the ink in the ink tank 43 is visible.
- the possibility of impairing visibility can be reduced.
- an absorbent material 97 may be disposed on the bottom surface 43c of the outer surface of the ink tank 43 that faces the installation surface. In this case, by disposing the absorbent material 97 on the bottom surface 43c, it is possible to reduce the possibility that the installation surface of the ink tank 43 is contaminated by the ink that has flowed to the bottom surface 43c.
- the ink tank 43 is attached to the apparatus main body 13 of the recording apparatus 12 while being accommodated in the tank case 42.
- the ink tank 43 itself may be mounted on the apparatus main body 13 of the recording apparatus 12 or placed near the apparatus main body 13 without being accommodated in the apparatus.
- any one or two of the absorbers 39, 97, and 99 may be disposed in the ink tank 43. Moreover, you may arrange
- the absorbers 39, 97, and 99 are disposed on the outer surface of the ink tank 43, the absorbers 39, 97, and 99 are not attached to the outer surface of the ink tank 43. Further, an arrangement in which absorbents 39, 97, and 99 are interposed between the ink tank 43 and the ink tank 43 may be employed.
- the sighting surface 43a is obtained by getting over the blocking convex portion 55 from the injection port forming surface 54 side to the stepped portion 54a side.
- a configuration in which the portion in a state of hanging downward is sandwiched between the inner surface of the tank case 42 and the top of the damming convex portion 55 and may be fixed on the inlet forming surface 54.
- the damming projection 55 and the absorbent 99 may be bonded with an adhesive member such as a double-sided tape.
- the absorbent material 99 may be provided so as to wrap the damming convex portion 55, but in this case, the absorbent material 99 has a step at one end side thereof. It is not necessary to extend to the portion 54 a, and for example, the right end of the absorbent 99 may be provided to be bent upward along the damming convex portion 55. Further, the front end and the rear end of the absorbent material 99 may be provided so as to be bent or enclose along the walls located on both the front and rear sides of the injection port forming surface 54. In this case, the absorbing material 99 may be disposed between the tank case 42 and the ink tank 43 instead of being attached to the outer surface of the ink tank 43.
- the size of the absorbents 97 and 99 may be larger than the bottom surface 43c in at least one of the left-right direction X and the front-rear direction Y.
- the size of the absorbent 39 may be larger than the tank opening 43b in at least one of the front-rear direction Y and the vertical direction Z.
- the handle portion 71 may be provided at a position different from between the fourth case locking portion 68d and the fifth case locking portion 68e. Further, the tank case 42 may not be provided with the handle 71.
- the positioning recesses 63a and 63b and the positioning protrusions 67a and 67b may be either one set that fits with each other. Moreover, you may provide 3 or more sets of a positioning recessed part and a positioning convex part. Furthermore, even when a plurality of positioning recesses and positioning protrusions are provided, a configuration without an elongated hole may be employed.
- the case opening 42b does not need to be larger than the right side surface of the ink tank 43. If the case opening 42b is larger than the front surface or the rear surface of the ink tank 43, the ink tank 43 is removed. It can be accommodated in a tank case.
- the tank case 42 may be a four-sided integrated product or a three-sided integrated product.
- the tank case 42 may be configured such that the front surface, the rear surface, the right surface, and the upper surface are integrally formed and has no bottom surface.
- the ink chamber 50 only needs to satisfy a shape condition in a part in the vertical direction Z. That is, for example, a rectangular parallelepiped-shaped portion that satisfies the shape condition may have a shape in which a portion that does not satisfy the shape condition is continuously provided in the vertical direction Z. Further, the shape of the ink chamber 50 can be arbitrarily changed as long as the shape condition is satisfied.
- the horizontal cross-sectional view shape may be a circle, an ellipse, a rectangle, a polygon, or a shape having a partially uneven portion, a curved portion, a bent portion, a bow portion, or an arc portion. Further, the ink chamber 50 may have a shape whose horizontal step view shape changes at each position in the vertical direction Z.
- the air intake 60 can be provided in arbitrary positions, if it is above the upper limit scale 64b.
- the ink tank 43 may be provided on the right side surface.
- the scale 28a when determining whether or not to inject ink or when injecting ink, is formed along the window 42a and formed on the scale 28a.
- the scale may be used as a guide.
- the lower limit scale 64a and the upper limit scale 64b may be formed by sticking a seal or the like on which the scale is written on the visual surface 43a of the ink tank 43.
- the lower limit scale 64a and the upper limit scale 64b may be only triangular marks without forming a line extending in the front-rear direction. Moreover, it is good also as only the line extended in the front-back direction, without forming a triangle-shaped mark.
- the number of case locking portions 68a to 68e and the number of screw boss portions 37 may be different. If the screw 36 is screwed into at least one of the case locking portions 68a to 68e and the screw boss portion 37, the tank unit 27 can be fixed to the apparatus main body 13. Note that the tank unit 27 is fixed in a state in which the tank unit 27 is not detached from the apparatus main body 13 and includes a state in which there is rattling.
- the tank unit 27 may be fixed to the apparatus main body 13 with a fixing member such as a bolt, a double-sided tape, an adhesive, an adhesive tape, caulking, a string, and a binding band.
- a fixing member such as a bolt, a double-sided tape, an adhesive, an adhesive tape, caulking, a string, and a binding band.
- the ink tank 43 may be provided in the apparatus main body 13. That is, if the ink tank 43 is disposed outside the moving region T of the liquid ejecting head 32, the height H is greater than the depth D and the width W is greater than the height H inside the apparatus main body 13. It can also be formed.
- a tank case 42 that accommodates an ink tank 43 and a cover 44 that slides relative to the tank case 42 are integrally formed with respect to the apparatus main body 13 that is a casing of the recording apparatus 12. It is an example of being formed.
- the ink tank 43 is accommodated in a common housing with the liquid ejecting head 32, it is easy to manage the water head difference between the nozzle formation surface of the liquid ejecting head 32 and the ink liquid surface 51 in the ink tank 43. Can be dimensioned. Therefore, the same effect as described in the above (52) is obtained.
- the ink container 400 when ink is injected, as shown in FIG. 71, ink is injected into the ink tank 43 from a relatively large capacity ink container 400 containing the ink for injection. Also good.
- the ink container 400 includes a bottle-shaped main body portion 401 and a cap member 403 that is screwed into the bottle mouth portion 402 of the main body portion 401, and the front end side of the cap member 403 is screwed into the bottle mouth portion 402. It has a cylindrical shape with a smaller diameter than the proximal end side.
- the tip end portion of the cap member 403 is cut away, so that the ink container 400 is formed with a spout 404 that communicates with the inside of the main body portion 401 containing the ink. Further, in the small diameter cylindrical portion of the cap member 403, a contact portion 405 that protrudes outward from the spout 404 is formed at a position slightly away from the distal end portion toward the proximal end side.
- the contact portion 405 contacts the end surface 52a of the cylindrical portion 53 in which the injection port 52 is formed.
- the contact portion 405 When the contact portion 405 is in contact with the end surface 52 a of the cylindrical portion 53 and the spout 404 is inserted into the injection port 52, the ink stored in the main body 401 is stored in the ink tank 43. Injected into the ink chamber 50.
- the flow path 410 having the injection port 52 at the tip protrudes in a non-orthogonal direction with respect to the vertical direction Z. Therefore, when the pouring spout 404 of the ink container 400 containing ink inside is aligned with the injection spout 52 and ink is injected into the ink chamber 50, members positioned around the injection spout 52 contact the ink container 400. It is possible to reduce the risk of obstructing the ink injection work in contact. Therefore, ink can be easily injected.
- the ink tank 43 projects the cylindrical portion 53 having the inlet 52 formed at the tip in a direction that is not orthogonal to the vertical direction Z.
- the end face 52a may be orthogonal to the vertical direction Z.
- a flow path 410 extending in a direction that is not orthogonal to the vertical direction Z may be formed in the cylindrical portion 53.
- the injection port forming surface 54 may face in any direction.
- the injection port forming surface 54 is not orthogonal to the vertical direction Z. It is good.
- the cylinder part 53 may be inclined in any direction, for example, may be inclined in a direction away from the apparatus main body 13.
- the end surface 52a of the injection port 52 is orthogonal to the vertical direction Z (that is, is horizontal). Therefore, when the user injects ink, in a state where the spout 404 of the ink container 400 containing ink therein is inserted into the injection port 52, a part of the ink container 400 (in this case, the contact portion 405). ) Can be supported in a mounted state on the horizontal end surface 52a of the cylindrical portion 53 in which the injection port 52 is formed. Therefore, ink can be easily injected.
- the cylindrical portion 53 may be bent or curved. That is, for example, the base end side of the cylindrical portion 53 on the injection port forming surface 54 side is non-orthogonal with respect to the vertical direction Z, and the distal end side of the cylindrical portion 53 is formed along the vertical direction Z. Also good. As described above, when a part of the cylindrical portion 53 is non-orthogonal with respect to the vertical direction Z, the end surface 52a may be orthogonal to the vertical direction Z.
- the tank case 42 may not be provided. That is, for example, the screw boss portion 37 in the apparatus main body 13 may be formed at a position corresponding to the tank locking portion 62 of the ink tank 43, and the ink tank 43 may be directly fixed to the apparatus main body 13.
- a hole portion 501 as an example of a first engaging portion and a claw portion 502 as an example of a second engaging portion are You may provide in the attachment surface 13a of the main body 13, and the tank case 42 (modification). That is, as shown in FIG. 73, at least one (two in this modification) hole portion 501 may be provided at the front position of the front rib portion 34b and the upper position of the rear rib portion 34d of the mounting surface 13a. Good. Further, as shown in FIG.
- At least one (two in this modification) claw portions 502 are placed on the left and right sides of the front end position and the rear end position of the case opening 42b corresponding to the holes 501. You may form so that it may protrude toward.
- the claw 502 is moved into the hole 501 (specifically, After being elastically deformed by contact with the edge portion of the hole portion, the shape is elastically restored, and the hole portion 501 and the claw portion 502 are changed from the non-engaged state to the engaged state. Therefore, the tank unit 27 can be easily fixed to the apparatus main body 13 without using a special fixing member.
- the tank case 42 may be provided with an engaging portion such as a hole that engages with the claw portion 502 while the claw portion 502 is provided in the apparatus main body 13. Further, the claw portions 502 may be provided in both the apparatus main body 13 and the tank case 42, and the claw portions 502 may be engaged with each other. In this case, the claw portion 502 functions as an example of the first engagement portion and the second engagement portion.
- the tank case 42 may not include the case locking portions 68a to 68e. Further, the tank case 42 may be provided with a claw portion 502 or an engaging portion that can be engaged with the engaging portion on the apparatus main body 13 side instead of the case locking portions 68a to 68e.
- tank cases 42 as an example of a protective case are provided, and an ink tank 43 is accommodated in each tank case 42, and then attached to the mounting surface 13 a of the apparatus main body 13.
- Another tank case 42 may be connected to the side surface of one fixed tank case 42 so as to be adjacent in the left-right direction X.
- a hole as an example of the first engagement portion is provided on the side surface of one tank case 42, while a claw portion as an example of the second engagement portion is provided on the opposite side surface of the other tank case 42.
- the tank case containing the ink tank is provided with one of the first engaging portion and the second engaging portion that are engaged by elastic deformation at least one, and the other covers the other ink tank.
- a tank case 42 as an example of a protective case is fixed to the mounting surface 13a of the apparatus main body in a state where two or more (two in FIG. 75) ink tanks 43A and 43B are accommodated. It may be a configuration. According to this configuration, an ink tank which is an example of a liquid container can be easily added. Note that the number of ink tanks accommodated in the tank case 42 may be two or more, such as three or four, depending on the size of the tank case 42.
- the individual ink tanks 43A and 43B may be provided at positions where the respective injection ports 52A and 52B are offset from each other in the longitudinal direction.
- other adjacent notes are used. Since the entrance can be prevented from interfering, ink can be easily injected into the injection ports 52A and 52B. Moreover, erroneous injection into another injection port is prevented as compared with the case where the liquid injection ports are in a side-by-side state.
- the tank case 42 opens above the respective inlets at positions corresponding to the inlets 52A and 52B in the two or more ink tanks 43A and 43B accommodated therein.
- the tank case 42 may include receiving portions 74A and 74B that are cut out in a U shape from the case opening 42b side. According to this configuration, as shown in FIG. 75, for example, even when the injection ports 52A and 52B are provided at the tips of the cylindrical portions 53A and 53B, the ink tanks 43A and 43B are stored in the tank case 42.
- the cylindrical portions 53A and 53B can be inserted into the receiving portions 74A and 74B from the case opening 42b side. Therefore, the ink tanks 43A and 43B can be accommodated in the tank case 42 smoothly.
- the tank case 42 has a receiving portion 74B corresponding to the injection port 52B of the ink tank 43B above the ink tank 43A in a state where two or more ink tanks 43A and 43B are housed inside. May be formed so as to overlap in the left-right direction X. That is, among the ink tanks, the receiving portion 74B at a position corresponding to the injection port 52B in the ink tank 43B other than the ink tank 43A located closest to the case opening 42b is another ink tank adjacent to the case opening 42b. It may be formed in a size overlapping with 43A.
- the cylindrical portions 53A and 53B provided with the inlets in the two adjacent ink tanks at the tip end are arranged side by side in the horizontal direction (left-right direction X) intersecting the longitudinal direction (front-rear direction Y), for example. Even in such a case, it is possible to easily insert the respective cylindrical portions of the two ink tanks adjacent in one receiving portion from the case opening 42b side.
- Example 2 Next, a second embodiment of the present invention will be described with reference to the drawings.
- the shape of the container case 125 is different from that in the first embodiment. And since it is substantially the same as 1st Embodiment in another point, even if it is the structure inside the container case 125, the overlapping description is abbreviate
- the container case 125 has a bottomed box shape having a container opening 125a. Further, the container case 125 has at least one (two in this embodiment) tank locking portions 126 that lock the mounting screws 61 that are attached when being fixed to a tank case (not shown). It is formed below the case 125. On the other hand, a tank case (not shown) is formed with a screwed portion (not shown) to which the mounting screw 61 can be screwed at a position corresponding to the tank locking portion 126.
- the lateral rib portions 131 to 136 and the third extending portion 137 are orthogonal to the right side surface 50f of the housing case 125, and protrude from the right side surface 50f side toward the housing body opening portion 125a side. It is integrally molded with the case 125. In other words, the lateral rib portions 131 to 136 and the third extending portion 137 are formed so as to protrude from the right side surface 50f.
- the ink flows at a higher flow rate than when the vertical rib portions 111 to 118 are formed to hinder the flow. Therefore, for example, when the ink is injected several times, the previously injected ink flows so as to be pushed by the subsequently injected ink. In other words, since the ink remaining in the ink chamber 50 is agitated by newly injecting the ink from the injection port 52, even if the concentration of the ink in the ink chamber 50 is uneven, Bias is reduced.
- the convex portion 350 of the cam 345 has a curved surface on which the slider 310 comes into sliding contact when the choke valve 45 is switched between the open state and the closed state. There is no need to make it, and for example, it may be bent or flat.
- the ink chamber 50 when the ink chamber 50 is inclined so that the base bottom surface 50a side of the ink tank 43 is higher than the step bottom surface 50b side, the flow of ink to the step bottom surface 50b side is caused by the step side surface 50c. It is suppressed. Since the outlet 59 is provided on the step side surface 50c side (left end side in FIG. 96) in the longitudinal direction (front-rearward direction Y) of the base surface 50a, the ink blocked by the step side surface 50c on the base surface 50a side. Can flow out from the outlet 59.
- the basal surface 50a and the step side surface 50c may be subjected to a liquid repellent treatment.
- the ink accumulated on the base surface 50a and the step side surface 50c can be quickly flowed into the liquid collection recess 50d and discharged from the outlet 59.
- the injection port forming surface 607 in which the injection port 605 and the cylindrical portion 606 are formed in the upper part of the ink tank 601 is formed facing the upper right direction (one direction) intersecting with the vertical direction Z. That is, the injection port forming surface 607 is inclined so that the right side in the left-right direction X is lower than the position where the base end portion of the cylindrical portion 606 is formed and is not orthogonal to the up-down direction Z.
- a closing member 58 (see FIG. 14) that can close the injection port 605 is detachably attached to the tip of the cylindrical portion 606.
- the lower limit scale 610 a is a scale indicating a lower limit amount that serves as a guide for injecting ink into the ink chamber 604.
- the upper limit scale 610b is a scale indicating the upper limit amount of ink that is injected from the injection port 605 and accommodated in the ink chamber 604.
- the pair of sliding contact portions 80 formed on the inner surface that is the surface on the right wall 44b side of the left wall 44c engages with the second rail portion 615 to make sliding contact.
- the first rail portion 614 is formed with a pair of stopper recesses (not shown) that are separated from each other in the front-rear direction Y and can be engaged with the stopper protrusions 80a of FIG.
- the cylindrical portion 606 is concealed by the cover 44, and the stopper convex portion 80a is the rear side of the pair of stopper concave portions.
- the cylindrical portion 606 is exposed, that is, is not concealed.
- the injection port 605 is provided on one side (front side in the front-rear direction Y) from the center in the longitudinal direction of the ink tank 601. In the present embodiment, the injection port 605 is provided in the vicinity of the rear side of the protrusion 616 provided at the position of the front end.
- the front end of the upper wall 44a of the cover 44 moves from a position covering the protrusion 616 to a position behind the injection port 605 provided near the rear side of the protrusion 616, Since the inlet 605 is exposed, the amount of movement of the cover 44 when the user slides the cover 44 to hide or expose the inlet 605 can be shortened.
- the first rail portion 614 and the second rail portion 615 as the support portions for supporting the cover 44 so as to be slidable are provided on the side opposite to the inlet 605 in the longitudinal direction (the rear side in the front-rear direction Y). 613 can be provided.
- Second step Surface 51 ... Liquid level, 52 ... Injection port, 52A ... Injection port, 52B ... Injection port, 52a ... End surface, 53 ... Cylinder part, 53A ... Cylinder part, 54 ... Injection port forming surface, 54a ... Step part, 55 ... Damping convex part, 56 ... rib part, 58 ... blocking member, 58a ... anchoring part, 58b ... picking part, 58c ... fitting part, 59 ... outlet port, 60 ... air intake port, 62 ... tank locking part, 63a ... Positioning concave part, 63b ... Positioning concave part, 64a ... Lower limit scale, 64b ... Upper limit scale, 66 ...
- 1st 6 vertical ribs 117: seventh vertical rib, 118: eighth vertical rib, 119: second extension, 121: first protrusion, 122: second protrusion, 125: housing case, 125a Opening of container, 125b Partition wall, 126 Tank locking part, 131 First lateral rib part, 131a to 136a Adhesive surface, 131 to 136 Horizontal rib part, 132 Second lateral rib part, 133 ... 3rd lateral rib part, 134 ... 4th lateral rib part, 135 ... 5th lateral rib part, 136 ... 6th lateral rib part, 137 ... 3rd extension part, 141 ... 1st diagonal rib part, 142 ...
- Communication port 211 ... 1st opening, 212 ... 2nd opening, 213a ... 1st long groove part, 213b ... 2nd long groove part 213c: third long groove portion, 214: film, 215: narrow groove, 215, 219 ... narrow groove, 216a ... through hole, 216b ... through hole, 217 ... concave groove, 218a ... through hole, 218b ... through hole, 219 ... thin groove, 220 ... film, 221 ⁇ 229 ...
- Tank unit 601 ... Ink tank, 603a ... Tank locking Part, 603b ... tank locking part, 603c ... tank locking part, 603d ... tank locking part, 604 ... ink chamber, 605 ... injection port, 606 ... cylindrical part, 607 ... injection port forming surface, 608 ... outlet port, 609 ... Air intake, 610a ... Lower limit scale, 610b ... Upper limit scale, 611 ... Air intake formation surface, 613 ... Step part, 614 ... First rail part, 615 ... Second rail part, 616 ... Protrusion part.
Landscapes
- Ink Jet (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
Description
この構成によれば、液体収容室は、鉛直方向の高さよりも鉛直方向と交差する方向の幅が大きいため、鉛直方向と交差する方向の幅が鉛直方向の高さよりも小さい場合に比べて、導出する液体の量に対する液面の変動を小さくすることができる。
この構成によれば、底面から液体注入口までの高さを70mm以下とすることにより、底面から液体注入口までの高さを抑制することができる。したがって、液体収容室に収容される液体の液面の鉛直方向における変動を低減することができる。
この構成によれば、上記液体収容体に係る発明と同様の作用効果を奏し得る。
上記液体供給システムにおいて、前記液体収容体は、前記液体噴射装置における前記液体噴射ヘッドを移動可能な状態で収容する筐体の外側に配設されるのが好ましい。
この構成によれば、漏洩液体が堰き止め部を越えてしまった場合でも、段差部により漏洩液体が視認面へ流れてしまう虞を低減することができる。
上記液体収容体において、前記堰き止め部は、前記液体注入口よりも鉛直方向の下方に位置し、前記液体注入口が形成される注入口形成面は、前記液体注入口から前記堰き止め部に向かって下り斜面であるのが好ましい。
この構成によれば、注入口形成面から突出する突出部によって漏洩液体を堰き止めることができる。
この構成によれば、注入口形成面に凹み形成された溝部によって漏洩液体を捕獲することにより漏洩液体を堰き止めることができる。
この構成によれば、前記液体注入口と堰き止め部が一方向を向いた注入口形成面に形成されるため、漏洩液体の流れる方向を一方向とすることができる。
この構成によれば、例えば液体収容体を射出成形する場合に、液体注入口と堰き止め部とを同じ型で成形することができる。
この構成によれば、上記液体収容体に係る発明と同様の作用効果を奏し得る。
この構成によれば、保護ケースに形成された開口部から液体収容体を容易に保護ケースに収容することができる。
この構成によれば、液体収容体と保護ケースとが位置決め部によって位置決めされるため、液体収容体と保護ケースとがずれてしまう虞を低減することができる。
上記液体収容体ユニットにおいて、前記位置決め部は複数形成され、該位置決め部のうち少なくとも1つの位置決め部は、水平方向に長い長穴を有するのが好ましい。
この構成によれば、保護ケースが手掛部を有するため、液体収容体ユニットを容易に持ち運ぶことができる。
この構成によれば、上記液体収容体ユニットに係る発明と同様の作用効果を奏し得る。
この構成によれば、例えば2個以上の液体収容体が収容された保護ケースを装置本体に固着することにより、容易に液体収容体を増設することができる。
この構成によれば、予め2個以上の液体収容体を長手方向と交差する方向で隣接した状態となるように連結した上で、それらを一括して保護ケース内に挿入することにより、2個以上の液体収容体を保護ケース内へ容易に収容することができる。
この構成によれば、保護ケースには、係止部が形成されている。そのため、固定部材によって液体収容体ユニットを装置本体に容易に固着することができる。
この構成によれば、前記液体収容体を前記保護ケースに装着する際に、保護ケースの窓部と対向する側に設けた開口部から液体収容体を挿入できるので、視認面と窓部とを位置合わせし易い。
この構成によれば、上記液体収容体ユニットと同様の作用効果を奏し得る。
この構成によれば、液体が漏れる虞のある液体注入口と保護部材との間に吸収材を設けることにより、液体注入口から漏れた漏洩液体を効率よく吸収材に吸収させることができる。
この構成によれば、保護部材と液体収容体との間の隙間を吸収材で埋めることができる。したがって、保護部材と液体収容体との隙間に異物が混入する虞を低減することができる。
この構成によれば、1つの吸収材によって液体注入口から漏れた漏洩液体や、液体収容体と保護部材との間へ流れた漏洩液体を吸収することができる。
この構成によれば、上記液体供給システムに係る発明と同様の作用効果を奏し得る。
液体注入時に液体注入口周辺に付着した液体は、液体収容体の外表面を伝うように流れる。その点、この構成によれば、注入口周辺に付着した液体が液体収容体の設置面まで流れ着く前に吸収材に吸収させることができるため、液体で周囲が汚染されてしまう虞をさらに低減することができる。
この構成によれば、液体注入口が設けられた注入口形成面に吸収材を配設することにより、液体注入口形成面に付着した、または、付着後に液体注入口形成面を流れる液体を効率よく吸収材に吸収させることができる。
この構成によれば、吸収材を底面に配設することにより、液体注入時に液体収容体に付着した液体によって液体収容体の設置面が汚染されてしまう虞を低減することができる。
この構成によれば、漏洩液体の流路上に設けられた堰き止めにより、液体注入口から漏れた液体を堰き止めることができる。
この構成によれば、カバーのサイズが液体収容体のサイズよりも小さいため、カバーを液体収容体上に収めることができる。したがって、液体収容体ユニットがカバーを備える場合でも、運搬時にカバーが引っ掛かってしまう虞を低減することができる。
この構成によれば、ユーザーによって液体注入口を隠蔽したり露出したりするときの操作性が容易である。
この構成によれば、液体導出口側に下限目盛を形成することにより、液体導出口の付近に位置する液体の液面と下限目盛とを比較することができる。したがって、ユーザーが下限目盛を液体収容室への液体の注入の目安とすることにより、液体の液面が液体導出口よりも鉛直方向の下方に位置して液体導出口から空気が供給される虞を低減することができる。
この構成によれば、下限目盛は、液体注入口と同じ側に形成されていると共に、液体注入口よりも下方位置に形成されているため、液体注入口から液体を注入した際に、注入された液体を容易に確認することができる。
鉛直方向の高さに比べて鉛直方向と交差する方向の幅が大きい視認面を有する液体収容体では、液体収容体が傾いた状態で設置された場合に、水平方向に異なる位置において鉛直方向における目盛に対する液面の位置の相違が大きくなりやすい。その点、この構成によれば、目盛を水平方向の途中位置よりも片側に形成したため、液体収容体が傾いて設置されてしまった場合でも液体の量を容易に視認することができる。
この構成によれば、視認面が鉛直方向と交差する一方向を向いて形成されるため、一方向から液体の液面と目盛とを視認して比較することができる。
この構成によれば、複数の目盛が同じ側に形成されているため、液体の液面と各目盛とを比較することにより、液体収容室に収容された液体の残量を容易に視認することができる。
この構成によれば、上記液体収容体に係る発明と同様の作用効果を奏し得る。
この構成によれば、液体注入口が液体収容室の外側に向かって突出する筒部に形成されるため、液体収容室に液体を注入する場合に、筒部の周囲に位置する部材が注入される液体の収容物に当接して液体の注入を阻害する虞を低減することができる。
この構成によれば、筒部は鉛直方向に対して非直交な方向に向かって突出しているため、ユーザーは液体を注入する様子を容易に確認することができる。
この構成によれば、液体収容体が装置本体に固着された際に、筒部は装置本体から離れる方向に傾斜して形成されているため、液体をより容易に注入することができる。
この構成によれば、注入口形成面が鉛直方向に対して非直交であるため、液体注入口から液体が漏れてしまった場合であっても、注入口形成面を伝うように液体を流すことができる。したがって、ユーザーが意図しない方向へ液体が流れてしまう虞を低減することができる。
この構成によれば、例えば液体収容体を射出成形する場合に、筒部と注入口形成面とを同じ型で成形することができる。
例えば鉛直方向に延びる流路の場合には、鉛直方向と非直交な液体注入口から液体を注入すると注入された液体が流路の壁にぶつかり、はね返りによって周囲が汚染されてしまう虞がある。その点、この構成によれば、流路が鉛直方向に対して非直交な方向に延びるため、液体のはね返りによる汚染を低減することができる。
この構成によれば、流路が鉛直方向に延びるため、筒部も鉛直方向に延びるように形成することができる。したがって、筒部が鉛直方向以外に突出しないため、邪魔になりにくい。
この構成によれば、筒部が液体収容室の外側に延びる場合に比べて邪魔になりにくい。
上記液体収容体は、該液体収容体が前記液体消費部を備えた液体消費装置に固定された場合、前記液体注入口の端面が前記液体消費装置から離れる方向を向くように傾斜するのが好ましい。
この構成によれば、上記液体収容体に係る発明と同様の作用効果を奏し得る。
この構成によれば、第2の流路が液体収容室の外側に位置しているため、第2の流路の先端に形成された液体注入口から液体をより容易に注入することができる。
この構成によれば、第2の流路が液体収容室の内側に延びるため、第2の流路が液体収容室の外側に延びる場合に比べて邪魔になりにくい。
この構成によれば、液体収容体が液体消費装置に固定された場合に、第2の流路は液体消費装置から離れる方向に傾斜して形成されているため、液体をより容易に注入することができる。
この構成によれば、注入口形成面が鉛直方向に対して非直交であるため、液体注入口から液体が漏れてしまった場合であっても、注入口形成面を伝うように液体を流すことができる。したがって、ユーザーが意図しない方向へ液体が流れてしまう虞を低減することができる。
この構成によれば、上記液体収容体と同様の作用効果を奏し得る。
この構成によれば、倒置されたことにより液体収容室側から空気室側に流入し、さらに第1空気小室と第2空気小室とを連通する第1連通路内まで液体が流入した場合でも、使用時の姿勢状態に戻すと、第1連通路内の液体は第1開口及び第2開口を介して第1連通路内から流出する。そのため、第1連通路内に液体が残って乾燥することで固化物が第1連通路内に生じる虞を回避できる。
この構成によれば、気液界面が第1開口付近に来るような状態で倒置した場合であっても、その第1開口と第2開口とを接続する第1連通路は、第1開口及び第2開口よりも仕切り壁から離間することで気液界面から遠ざかる流路部分を少なくとも一部に有しているので、その部分で気液交換を不可能とすることができる。したがって、第1連通路よりも液体収容室側に負圧を発生させることができ、液体収容室側からの液体の漏出を止めることができる。
この構成によれば、倒置された場合に液体収容室側からの液体の漏出を抑制できる効果を好適に発揮できる連通路を簡単に実現することができる。
この構成によれば、区画壁により区画された空気小室同士を連通する連通路を簡単に形成することができる。
この構成によれば、上下逆さまに倒置された場合だけでなく、横倒し状態とされた場合にも、第1連通路及び第2連通路のうち気液界面から遠ざかった側の連通路の部分で気液交換を不可能とすることができる。したがって、連通路よりも液体収容室側に負圧を発生させることができ、液体収容室側からの液体の漏出を止めることができる。
この構成によれば、倒置された場合に液体収容室側からの液体の漏出を抑制できる効果を好適に発揮できる連通路を簡単に実現することができる。
また、上記第7の課題を解決する液体消費装置は、液体を消費する液体消費部と、上記構成の液体収容体とを備える。
この構成によれば、第1リブを液体収容室内の側面から突出形成することにより、第1リブを容易に形成することができる。
この構成によれば、底面に沿う方向に延びている第1リブにより、底面に沿って流れる液体の流れが底面と交差する方向に変更された後、さらに第1リブに沿って液体を流動させることができる。したがって、液体の流れが衝突するのを抑制することができるため、底面に沿う方向に流れる液体の流速を上げることができる。
この構成によれば、底面と交差する方向に延びている第1リブにより、液体注入口から離れる方向である第1方向に沿った液体の流れを阻害することができる。すなわち、液体に渦状の流れを生じさせることにより、液体を攪拌することができる。
この構成によれば、第2リブは、延出部を有するため液体注入口から注入された液体が第2リブを乗り越えてしまう虞を低減することができる。したがって、液体導出口付近の液体にかかる圧力をより低減することができる。
この構成によれば、液体収容室内に収容された液体の濃度の偏りを容易に解消することができる液体消費装置を使用することができる。
この構成によれば、底部には少なくとも2つ以上の段差底面が長手方向に沿って階段状に設けられるので、その段差が形成された容積の分、傾斜によって段差側面よりも段差底面側に溜まる液体の量を少なくすることができる。したがって、液体収容室が傾斜状態となった場合に液体導出口から流出せずに残る液体の量を少なくすることができる。
この構成によれば、注入口は段差底面よりも低い位置にある基底面の上方に配置されているので、液体を注入する際に液体が溢れにくい。
この構成によれば、基底面は液体導出口側が低くなるように傾斜しているので、段差側面によって基底面側に堰き止められた液体を傾斜に沿って液体導出口側に流動させることができる。したがって、傾斜状態となった場合にも、液体収容室の底部に残る液体の量を少なくすることができる。
この構成によれば、液体消費装置が傾斜状態となった場合にも、液体収容室の底部に残る液体の量を少なくすることができる。
以下、液体消費装置の一例である記録装置の第1実施形態について、図を参照して説明する。
記録装置12は、被記録媒体の一例である用紙Pに対して記録を行うことが可能である一方、スキャナーユニット14は原稿に記録された画像等を読みとることが可能である。なお、本明細書では、反重力方向を上方向というとともに、重力方向を下方向という。また、これら上方向及び下方向に沿う方向を鉛直方向の一例としての上下方向Zとして図示する。
なお、タンクユニット27における左右方向X、前後方向Y、上下方向Zは、タンクユニット27が装置本体13に取り付けられた状態での各方向を基準とする。すなわち、タンクユニット27は、左右方向X及び上下方向Zに比べて前後方向Yに大きな略直方体状をなしている。
図4,図5に示すように、インクタンク43は、5面一体成形物であって、タンク開口部43bにフィルム49が貼着されることにより、インクを収容する液体収容室の一例としてのインク室50が形成されている。なお、インク室50は、上下方向Zの高さ及び左右方向Xの奥行きに比べて前後方向Yの幅が大きい略直方体状をなしている。
図4,図11に示すように、タンクケース42は、記録装置12に固着された際に装置本体13側となる左側に開口部の一例としてのケース開口部42bを有する5面一体成型物である。なお、タンクケース42は、インクタンク43よりも大きく形成されていると共に、ケース開口部42bは、前後方向Y及び上下方向Zにおいてインクタンク43よりも大きい。
ところで、本実施形態の記録装置12は、水頭差を利用してインク室50内に収容されたインクを液体噴射ヘッド32へ供給している。そのため、上下方向Zに液面51が大きく変動するとインクタンク43から液体噴射ヘッド32へ良好にインクを供給することができなくなる。具体的には、液面51よりも液体噴射ヘッド32が相当低い位置にあると、液体噴射ヘッド32からインクが漏れ出てしまう虞があるのに対し、液面51よりも液体噴射ヘッド32が相当高い位置にあると、液体噴射ヘッド32までインクを供給することができない虞がある。
さて、インク室50の上下方向Zの高さを制限すると、液体噴射ヘッド32へインクを良好に供給することができるが、インク室50に収容可能なインクの量が少なくなってしまう。そこで、本実施形態のインクタンク43は、前後方向Yの幅を大きくして水平断面積を大きくすることでインク室50に収容可能なインク量を確保している。
最大収容量の5%相当のインクを導出した場合のインク室50内におけるインクの液面51の最小変動幅(以下、単に「最小変動幅」という。)が、最大収容量の3乗根の6%以上である場合には、インク室50に収容可能なインク量を十分に確保することができない。
図4に示すように、まずタンクケース42のケース開口部42bからインクタンク43を挿入し、位置決め凸部67a,67bと位置決め凹部63a,63bとを凹凸嵌合させて位置合わせする。さらに、タンク係止部62と螺合部66とに取付ねじ61を螺合してインクタンク43をタンクケース42に固着する。すなわち、タンクケース42は、インクタンク43を外側から覆うことによって該インクタンク43を保護する。
さて、インクタンク43内に収容されたインクの液面51が下限目盛64aまで低下すると、ユーザーは、隠蔽位置Aから非隠蔽位置Bまでカバー44を後方へスライド移動させる(図17参照)。すると、隠蔽位置Aに位置したカバー44に隠されていた閉塞部材58と載置部75とが出現する。
(1)インクタンク43に形成された注入口52からインク室50にインクを注入することができる。また、タンクユニット27は装置本体13に固着されているため、ユーザーが記録装置12を持ち運ぶ際にタンクユニット27が装置本体13から離脱してしまう虞を低減することができる。したがって、インクを注入可能なタンクユニット27を備えた記録装置12の運搬性を向上させることができる。
(6)インク室50から導出されるインクの量に対する液面51の変動幅を抑えることにより液体噴射ヘッド32へ供給されるインクにかかる圧力の変化を低減することができる。したがって、インク室50に収容されたインクを液体噴射ヘッド32側へ安定して供給することができる。
(17)複数の目盛64a,64bが同じ側に形成されているため、インクの液面51と各目盛64a,64bとを比較することにより、インク室50に収容されたインクの残量を容易に視認することができる。
(25)漏洩インクが堰き止め凸部55を越えてしまった場合でも、段差部54aにより漏洩インクが視認面43aへ流れてしまう虞を低減することができる。
(29)注入口52と堰き止め凸部55が一方向を向いた注入口形成面54に形成されるため、漏洩インクの流れる方向を一方向とすることができる。
(35)タンクケース42に形成されたケース開口部42bからインクタンク43を容易にタンクケース42に収容することができる。
(39)タンクユニット27が装置本体13に固着された際に、手掛部71の両側位置に形成された第4ケース係止部68d及び第5ケース係止部68eでねじ36を係止するため、ユーザーは手掛部71に手をかけることにより装置本体13とタンクユニット27を安定して持ち運ぶことができる。
(48)装置本体13とインクタンク43との間に吸収材39を介在させることにより、吸収材39によってフィルム49を保護することができる。
(51)インクを噴射するノズルが形成された液体噴射ヘッド32のノズル面に対し、インクタンク43内のインクの液面51の水頭位置を管理する必要がある。その点、インクタンク43は、位置決め凸部67a,67bを含めて一体成形したタンクケース42を介して装置本体13に取り付けられる。すなわち、タンクケース42が複数部材の組み合わせから成る場合に比べて、インクタンク43と液体噴射ヘッド32との位置関係をより精度よく保持しながらインクタンク43を装置本体13に取り付けることができる。
インクタンク43の実施例について説明する。
図23および図24に示すように、インクタンク43は、一面側に開口部の一例としての収容体開口部48aが設けられた有底箱状の収容体ケース48と、薄膜部材の一例としてのフィルム49とを含んで構成されている。収容体ケース48は、5面一体成形物であって、収容体ケース48の収容体開口部48aにフィルム49が取着されることにより、インクを収容する液体収容室の一例としてのインク室50と、そのインク室50を大気に連通させる空気室200が形成される。
図24に示すように、インク室50は、その長手方向(前後方向Y)に沿う一面側(図24では下面側)が底部になっている。インク室50の底部には、基底面50aと、基底面50aよりも高くなるように段差を有して基底面50aと前後方向Yに並ぶ段差底面50bと、上端側が段差底面50bと交差する一方で下端側が基底面50aと交差する段差側面50cとが設けられている。
図24及び図32等に示すように、空気室200は、インクタンク43におけるインク室50と大気開放口60との間に介在し、インクタンク43が記録装置12に固定された使用時の姿勢状態(図3~図26に示す姿勢状態)においては、仕切り壁48bを境にして、インク室50よりも上方に位置する配置構成とされている。また、空気室200は、壁面が左右方向Xに沿う区画壁201~209により前後方向Yにおいて隣り合うように区画された複数(本実施形態では10室)の空気小室200a~200jを含んで構成されている。
図32に示すように、第1空気小室200aの内面における第1区画壁201以外の面部位(図32では第1空気小室200aの内奥側の面部位)には、第1区画壁201における第1空気小室200aに面する壁面の面積よりも開口面積が小さい第1開口211が収容体ケース48の収容体開口部48aとは反対側の側壁48cに貫通形成されている。また同様に、第2空気小室200bの内面における第1区画壁201以外の面部位(図32では第2空気小室200bの内奥側の面部位)には、第1区画壁201における第2空気小室200bに面する壁面の面積よりも開口面積が小さい第2開口212が収容体ケース48の側壁48cを貫通するように形成されている。
図34及び図35に示すように、チョークバルブ45は、タンクケース42の内側面におけるインクタンク43の前方となる面部位から上下左右に間隔をおいて突設された略L字状をなす4つの固定リブ301によって囲まれる内側部分に配置されている。そのため、チョークバルブ45は、インクタンク43の前面43bとタンクケース42との間に配置されている。この場合、インクタンク43の前面43bは、インクタンク43における底面43c(図29参照)及び該底面43cと対向する天面43dを除く側面の一部を構成している。また、インクタンク43の前面43bは、インクタンク43の側面のうち最も幅の狭い面部位となっている。そして、チョークバルブ45は、これらの固定リブ301によって上下左右に位置決めされている。また、チョークバルブ45には、インクタンク43から延びるチューブ31が挿通されている。そして、チョークバルブ45は、チューブ31を通じたインクの流動を許容する開弁状態と、チューブ31を通じたインクの流動を規制する閉弁状態との間で切り替え可能に構成されている。
図24,図35に示すように、まずタンクケース42のケース開口部42bからインクタンク43を挿入し、位置決め凸部67a,67bと位置決め凹部63a,63bとを凹凸嵌合させて位置合わせする。このとき、フィルム49の左側の部分がタンクケース42内に折り込まれる。さらに、タンク係止部62と螺合部66とに取付ねじ61を螺合してインクタンク43をタンクケース42に固着する。すなわち、タンクケース42は、インクタンク43を外側から覆うことによって該インクタンク43を保護する。さらに、チューブ31が挿通されたチョークバルブ45がタンクケース42に取り付けられると共に、チューブ31の先端が導出口59に差し込まれる。
図32に示すように、注入口52からインクが注入されると、インクは交差リブ部101~103によって堰き止められるようにして後方へ誘導される。また、交差リブ部101~103には、第1延出部104が形成されている。そのため、インクは、第1延出部104によって交差リブ部101~103を前側に乗り越える方向への流れが抑制され、より後方に向かって流れやすい。
さて、インクタンク43にインクが収容された複合機11(記録装置12)を運搬する際には、まず、チョークバルブ45が閉弁状態とされる。そして、その状態において、例えば複合機11(記録装置12)を梱包したダンボール箱などが上下逆さまに置かれたりすると、図42に示すように、インクタンク43は、空気室200よりもインク室50の方が上方に位置する倒置された姿勢状態になる。
さて、本実施形態では、図48に示すように、チョークバルブ45が閉弁状態にあるときには、バルブレバー47の把持部341に形成された凹溝344が回動軸331を中心とした周回経路上における最下端位置に配置される。
複合機11において、その設置面が傾いていたり、タンクユニット27(図1参照)が傾斜した状態で装置本体13に取り付けられたりした場合には、インクタンク43が傾斜した状態になることがある。
さて、上述したとおり、インク室50に収容されたインクは、注入時に攪拌されて濃度の偏りは低減されているものの、時間が経過するにしたがって顔料成分が沈降し、インクの濃度に偏りが生じることがある。すなわち、下方に位置するインクは濃度が濃くなり(以下、「濃いインク」という。)、上方に位置するインクは濃度が薄くなる(以下、「薄いインク」という。)。
(1-1)収容体ケース48の収容体開口部48aに取着するために例えば保持具により保持されて移動されるフィルム49を保持するときの保持具に対する位置決めを、例えばピンなどの位置決め部材を挿入可能な貫通孔49Hを用いて容易に行うことができる。そのため、フィルム49は、位置ずれを生じていない予定どおりの状態で収容体ケース48の収容体開口部48aを塞ぐ位置まで運ばれた後、収容体ケース48に対して例えば溶着などにより取着される。したがって、収容体ケース48の収容体開口部48aを封止するように収容体ケース48に取着されるフィルム49の収容体開口部48aに対する位置ずれが抑制される。
(1-16)インクタンク43は、使用時の姿勢状態では、空気室200の方がインク室50よりも上方に位置し、インク室50側から連通口210を介して空気室200側にインクが入りにくいので、インクが大気開放口60を通じて外部に漏出することを抑制できる。
次に、本発明の第2実施形態について図を参照して説明する。なお、この第2実施形態は、スキャナーユニット14を備えていない点で第1実施形態の場合とは異なっている。そして、その他の点では第1実施形態とほぼ同じであるため、同一の構成については同一符号を付すことによって重複した説明は省略する。
図55に示すように、まずインクタンク43を固着したタンクケース42を、スペーサー91を介在させた状態で取付面87aに位置合わせする。なお、このときスペーサー91は、図示しない係合部がボス部38と係合すると共に、第4ケース係止部68dが形成された係合凹部72と係合して位置合わせされる。
続いて、タンクケース42が装置本体87に固着された状態において、カバー44をタンクケース42の後方からレール部76a,76bと摺接部80とが係合するように装着する。
(58)タンクユニット27を異なる記録装置12,85に取り付けることができる。すなわち、複数種類の記録装置12,85においてタンクユニット27を共通化することができる。
・上記各実施形態において、カバー44のサイズをインクタンク43のサイズよりも小さくしてもよい。カバー44を小さくすることにより、カバー44をインクタンク43上に収めることができるため、タンクユニット27がカバー44を備える場合でも、運搬時にカバー44が引っ掛かってしまう虞を低減することができる。
・上記各実施形態,各実施例において、図59に示すように、インクタンク43は、筒部53を設けない構成としてもよい(変形例)。すなわち、注入口52の端面52aと注入口形成面54とを一致させてもよい。
・上記各実施形態,各実施例において、下限目盛64aから上限目盛64bまでの上下方向Zにおける高さh1を40mmより大きくしてもよい。タンクユニット27を精度よく製造及び組み付けし、記録装置12,85を水平に設置し、さらに液面51の変動を下限目盛64aと上限目盛64bの間に収めれば高さh1を70mmとしても液体噴射ヘッド32へインクを良好に供給できる。
・上記各実施形態,各実施例において、視認面43aは、上下方向Zの高さに比べて前後方向Yの幅を小さくしてもよい。
・上記各実施形態,各実施例において、筒部53の上下方向Zに対する傾きと注入口形成面54の上下方向Zに対する傾きは、異なっていてもよい。
・上記各実施形態,各実施例において、筒部53を形成せずに注入口形成面54に注入口52を形成してもよい。なお、注入口形成面54は上下方向Zに対して非直交であるため、注入口52の端面52aも上下方向Zに対して非直交となる。また、注入口52と上下方向Zにおいて同じ位置もしくは上方位置に堰き止め凸部55を設けてもよい。
・上記各実施形態において、図58に示すように、インクタンク43とタンクケース42との間に吸収材97を介在させてもよい。なお、この場合にはタンクケース42が保護部材の一例として機能する。
・上記各実施形態,各実施例において、ケース開口部42bは、インクタンク43の右側面よりも大きな必要はなく、インクタンク43の前面もしくは後面よりもケース開口部42bが大きければインクタンク43をタンクケース内に収容することができる。
・上記各実施形態において、図1に示すように、インクの注入をするか否かを判断する場合やインクを注入する場合に、スケール28aを窓部42aを沿わせると共に、スケール28aに形成された目盛を目安としてもよい。
・上記各実施形態において、下限目盛64aと上限目盛64bは、前後方向に延びるラインを形成せずに、三角形状の印のみとしてもよい。また、三角形状の印を形成せずに、前後方向に延びるラインのみとしてもよい。
次に、本発明の実施例2について図を参照して説明する。なお、この実施例2は、収容体ケース125の形状が第1実施形態の場合とは異なっている。そして、その他の点では第1実施形態とほぼ同じであるため、収容体ケース125の内部の構成であっても、同一の構成部分については同一符号を付すことによって重複した説明は省略する。
さて、図76に示すように注入口52から注入されたインクは、段差底面50bに沿うように後方へ流れる。そのため、インクの注入に伴ってインク室50内における液面(図示略)が上昇して横リブ部131~136が形成された位置に達すると、横リブ部131~136の下側を通って後方へ向かうインクの流れが、インクの流動方向と交差する後側面50gに沿うように上方への流れに変化する。さらに、インクは、下側に位置する第1横リブ部131~第3横リブ部133の上側を通って前方へ流れる。
(2-1)段差底面50bに沿う方向に延びている横リブ部131~136により、段差底面50bに沿って流れるインクの流れが段差底面50bと交差する上方向に変更された後、さらに横リブ部131~136に沿ってインクを流動させることができる。したがって、インクの流れが衝突するのを抑制することができるため、段差底面50bに沿う方向に流れるインクの流速を上げることができる。
・上記各実施形態において、タンクユニット27のインク室50に収容されたインクを液体噴射ヘッド32に供給するチューブ31を必ずしも備えなくてもよい。例えば、タンクユニット27がキャリッジ29上に配置された構成であってもよい。
・上記各実施形態,各実施例において、交差リブ部101~103を湾曲もしくは屈曲状に形成してもよい。なお、この場合、交差リブ部101~103は、後方に向かって湾曲もしくは屈曲しているのが好ましい。交差リブ部101~103の上端を下端よりも後側に位置させることにより、注入口52から注入されたインクが交差リブ部101~103を乗り越える虞を低減し、インクの流れを後側へと誘導することができる。
・上記各実施形態,各実施例において、交差リブ部101~103は、基底面50aから離間して設けてもよい。すなわち、縦リブ部111~118を前後方向Yにおいて注入口52と導出口59の間に設けてもよい。
・上記各実施形態,各実施例において、2つの縦リブ部を前後方向Yに距離をおいて設けると共に、上下方向Zおいて互いに位置が異なるように設けてもよい。すなわち、例えば上下方向のサイズが同じ縦リブ部を、基底面50aからの離間距離が異なるように設けてもよい。
・上記各実施形態において、2以上のインクタンク43が横並びの配置態様で連結されて構成された集合体がタンクケース42に収容される構成としてもよい。この場合、チョークバルブ45は、各インクタンク43の底面43cが構成する集合体の底面、及び各インクタンク43の天面43dが構成する集合体の天面を除く、集合体における他の側面とタンクケース42との間に配設されることが望ましい。
・上記各実施形態のインクタンク43において、基底面50aが長手方向(前後方向Y)において導出口59側が低くなるように傾斜していてもよい。
・上記各実施形態,各実施例のインクタンク43において、長手方向(前後方向Y)における基底面50aと段差底面50bの長さを等しくしてもよいし、基底面50aの前後方向Yにおける長さが段差底面50bよりも長くなるようにしてもよい。
・上記各実施形態,各実施例のインクタンク43において、基底面50aの長手方向(前後方向Y)における中央付近に導出口59を設けてもよい。
・上記各実施形態,各実施例において、タンクケース42を設けない構成としてもよい。すなわち、例えば装置本体13におけるねじボス部37をインクタンク43のタンク係止部62に対応する位置に形成し、インクタンク43を装置本体13に直接固定してもよい。
上記各実施形態,各実施例では、タンクユニット27は、保護ケースとしてのタンクケース42を有し、カバー44をタンクケース42に備えた記録装置12,85について説明したが、第3実施形態では、タンクケースをタンクユニットに備えずに、カバー44をインクタンクに備えた記録装置について説明する。図98は、第3実施形態における液体収容体ユニットの一例としてのタンクユニット600の斜視図である。
Claims (40)
- 液体を消費する液体消費部にチューブを介して供給する前記液体を収容する液体収容室と、
該液体収容室に収容された前記液体を前記チューブ側へ導出する液体導出口と、
前記液体収容室内に前記液体を注入可能な液体注入口と、
前記液体収容室に前記液体を収容した場合における該液体の液面よりも鉛直方向の上方位置から前記液体収容室内に空気を取り入れる空気取入口と
を備え、
前記液体導出口から前記液体収容室に収容可能な収容量の5%相当の前記液体を導出した場合に、前記液体収容室内における前記液体の液面の変動幅が前記収容量の3乗根の5%以下となる領域を有することを特徴とする液体収容体。 - 前記液体収容室の大きさは、鉛直方向の高さに比べて鉛直方向と交差する方向の幅が大きいことを特徴とする請求項1に記載の液体収容体。
- 前記液体収容室の鉛直方向における底面から前記液体注入口までの高さは、70mm以下であることを特徴とする請求項1又は請求項2に記載の液体収容体。
- 前記液体収容室に収容された前記液体の液面を鉛直方向と交差する方向から視認可能な視認面をさらに備え、
前記視認面には、前記液体注入口から注入されて前記液体収容室に収容される前記液体の上限量を示す上限目盛が形成され、
前記液体収容室の鉛直方向における底面から前記上限目盛までの高さは、55mm以下であることを特徴とする請求項1~請求項3のうち何れか一項に記載の液体収容体。 - 前記視認面には、前記上限目盛よりも鉛直方向の下方位置に下限目盛がさらに形成され、
該下限目盛から前記上限目盛までの鉛直方向における高さは、40mm以下であることを特徴とする請求項4に記載の液体収容体。 - 前記液体消費部と、
前記チューブと、
請求項1~請求項5のうち何れか一項に記載の液体収容体と
を備えることを特徴とする液体消費装置。 - 主走査方向に移動可能な液体噴射ヘッドと、前記主走査方向である左右方向と交差する前後方向に被記録媒体を搬送するための搬送機構と、前記液体噴射ヘッドの移動領域よりも前記被記録媒体の搬送方向下流側となる前方に引き回されて前記液体噴射ヘッドに液体を供給するチューブと、を備えた液体噴射装置と、
前記主走査方向における前記液体噴射ヘッドの移動領域の外側に前後方向に沿うように配設された液体を収容する液体収容体と
を備えた液体供給システムであって、
前記液体収容体は、
前記液体を収容可能な液体収容室と、
該液体収容室内に前記液体を注入可能な液体注入口と、
前記液体収容室内に空気を取り入れる空気取入口と、
前記液体収容室に設けられた前記液体を前記チューブ側に導出する液体導出口とを備え、
前記液体収容室の前記左右方向のサイズは、前記左右方向および前記前後方向と直交する高さ方向のサイズよりも小さく、
前記液体収容室の前記高さ方向のサイズは、前記前後方向のサイズよりも小さく設定され、
前記液体導出口は、前記液体収容室の前記前後方向の中央よりも前側に配設されたことを特徴とする液体供給システム。 - 前記液体収容体の前面には、前記液体導出口に接続された前記チューブを前記液体の供給を遮断するために押し潰し可能なバルブの操作部が設けられていることを特徴とする請求項7に記載の液体供給システム。
- 前記液体収容体は、前記液体噴射装置における前記液体噴射ヘッドを移動可能な状態で収容する筐体の外側に配設されることを特徴とする請求項7又は請求項8に記載の液体供給システム。
- 液体を消費する液体消費部にチューブを介して供給する前記液体を収容する液体収容室と、
該液体収容室に収容された前記液体を前記チューブ側へ導出する液体導出口と、
前記液体収容室内に前記液体を注入可能な液体注入口と、
前記液体注入口から漏れた漏洩液体の流路上に位置する堰き止め部と
を備えることを特徴とする液体収容体。 - 前記液体収容室に収容された前記液体の液面を鉛直方向と交差する方向から視認可能な視認面をさらに備え、
前記堰き止め部は、前記視認面よりも鉛直方向の上方位置に位置することを特徴とする請求項10に記載の液体収容体。 - 前記堰き止め部と前記視認面との間には、段差部を備えることを特徴とする請求項11に記載の液体収容体。
- 前記堰き止め部において鉛直方向と交差すると共に前記漏洩液体が流れる方向である漏洩方向と交差する方向の幅は、前記液体注入口の幅よりも大きいことを特徴とする請求項10~請求項12のうち何れか一項に記載の液体収容体。
- 前記堰き止め部は、前記液体注入口よりも鉛直方向の下方に位置し、
前記液体注入口が形成される注入口形成面は、前記液体注入口から前記堰き止め部に向かって下り斜面であることを特徴とする請求項10~請求項13のうち何れか一項に記載の液体収容体。 - 前記堰き止め部は、前記注入口形成面から突出する突出部であることを特徴とする請求項14に記載の液体収容体。
- 前記堰き止め部は、前記注入口形成面に凹み形成された溝部であることを特徴とする請求項14又は請求項15に記載の液体収容体。
- 前記注入口形成面は、鉛直方向と交差する一方向を向いて形成されることを特徴とする請求項14~請求項16のうち何れか一項に記載の液体収容体。
- 前記液体注入口と前記堰き止め部との鉛直方向に対する各々の傾きは同じであることを特徴とする請求項10~請求項17のうち何れか一項に記載の液体収容体。
- 前記液体消費部と、
前記チューブと、
請求項10~請求項18のうち何れか一項に記載の液体収容体と
を備えることを特徴とする液体消費装置。 - 液体を消費する液体消費部にチューブを介して供給する前記液体を収容する液体収容室と、
該液体収容室に収容された前記液体を前記チューブ側へ導出する液体導出口と、
前記液体収容室内に前記液体を注入可能な液体注入口と
を備える液体収容体と、
前記液体収容体を外側から覆って保護可能な保護ケースと
を備え、
前記保護ケースは、一体成形物であることを特徴とする液体収容体ユニット。 - 前記保護ケースは、前記液体注入口に対応する位置に開口を有することを特徴とする請求項20に記載の液体収容体ユニット。
- 前記保護ケースは、前記液体収容体よりも大きな開口部を有する5面一体成形物であることを特徴とする請求項20又は請求項21に記載の液体収容体ユニット。
- 前記液体収容体と前記保護ケースには、凹凸嵌合する位置決め部が形成されることを特徴とする請求項20~請求項22のうち何れか一項に記載の液体収容体ユニット。
- 前記位置決め部は複数形成され、
該位置決め部のうち少なくとも1つの位置決め部は、水平方向に長い長穴を有することを特徴とする請求項23に記載の液体収容体ユニット。 - 前記保護ケースは、手掛部を有することを特徴とする請求項20~請求項24のうち何れか一項に記載の液体収容体ユニット。
- 前記保護ケースには、前記手掛部の両側位置に前記保護ケースが前記液体消費部を収容する装置本体に固着される際に固定部材を係止する係止部が形成されることを特徴とする請求項25に記載の液体収容体ユニット。
- 前記保護ケースは、前記液体消費部を収容する装置本体に前記保護ケースが固着される際に少なくとも一方が弾性変形して係合する第1係合部及び第2係合部のうち、その一方を備え、その他方を前記装置本体が備えることを特徴とする請求項20~請求項26のうち何れか一項に記載の液体収容体ユニット。
- 前記保護ケースは、少なくとも一方が弾性変形して係合する第1係合部及び第2係合部のうち、その一方を備え、その他方は他の液体収容体を覆う他の保護ケースが備えることを特徴とする請求項20~請求項26のうち何れか一項に記載の液体収容体ユニット。
- 前記液体消費部と、
前記チューブと、
請求項20~請求項28のうち何れか一項に記載の液体収容体ユニットと
を備えることを特徴とする液体消費装置。 - 液体消費部に流路を介して接続される液体収容室と、
前記流路と接続される液体導出口と、
前記液体収容室内に液体を注入可能な液体注入口と
を備える液体収容体と、
前記液体収容体の少なくとも一部を覆って前記液体消費部を収容する装置本体に固着される保護ケースと
を備える液体収容体ユニットであって、
前記保護ケースは、前記装置本体に固着される際に前記装置本体側となる面に前記液体収容体を挿入可能な開口部を有し、
前記液体収容体は、前記保護ケース内に前記開口部からの挿入により収容された状態で前記保護ケースと共に前記装置本体に固着されることを特徴とする液体収容体ユニット。 - 前記保護ケースは、1個又は2個以上の前記液体収容体を収容した状態で、前記装置本体に固着されることを特徴とする請求項30に記載の液体収容体ユニット。
- 前記保護ケースに2個以上の前記液体収容体が収容された状態において長手方向と交差する方向で隣接する2個の前記液体収容体は、前記液体注入口が長手方向において相互にオフセットした位置に設けられていることを特徴とする請求項30又は請求項31に記載の液体収容体ユニット。
- 前記保護ケースは、内部に収容される前記液体収容体における前記液体注入口と対応する位置に、開口を成す受容部を有していることを特徴とする請求項31に記載の液体収容体ユニット。
- 前記保護ケースは、2個以上の前記液体収容体を内部に収容した状態において、前記各液体収容体のうち最も前記開口部側に位置する液体収容体以外の液体収容体における液体注入口と対応する位置の前記受容部が、前記開口部側の液体収容体に隣接する他の液体収容体にオーバーラップする大きさで形成されていることを特徴とする請求項33に記載の液体収容体ユニット。
- 前記液体収容体は、他の液体収容体と隣接した状態での連結を可能とする連結部を備えることを特徴とする請求項31~請求項34のうち何れか一項に記載の液体収容体ユニット。
- 前記保護ケースには、該保護ケースが前記装置本体に固着される際に固定部材を係止する係止部が形成されることを特徴とする請求項30~請求項35のうち何れか一項に記載の液体収容体ユニット。
- 前記保護ケースは、前記液体消費部を収容する装置本体に前記保護ケースが固着される際に少なくとも一方が弾性変形して係合する第1係合部及び第2係合部のうち、その一方を備え、その他方を前記装置本体が備えることを特徴とする請求項30~請求項36のうち何れか一項に記載の液体収容体ユニット。
- 前記流路に取り付けられたバルブの操作部を、2個以上の前記液体収容体を内部に収容した状態の前記保護ケースに、前記2個以上の前記各液体収容体と対応する各流路に対して共通の操作部として設けたことを特徴とする請求項31~請求項37のうち何れか一項に記載の液体収容体ユニット。
- 前記液体収容体は、該液体収容体が収容する液体の液面を外部から視認可能な視認面を有し、
前記保護ケースは、前記視認面に対応する位置に窓部を有し、前記窓部と対向する側に前記開口部を有することを特徴とする請求項30~請求項38のうち何れか一項に記載の液体収容体ユニット。 - 前記液体消費部と、
前記流路と、
請求項30~請求項39のうち何れか一項に記載の液体収容体ユニットと
を備えることを特徴とする液体消費装置。
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112015002857A BR112015002857A2 (pt) | 2012-08-10 | 2013-08-02 | recipiente de líquido, aparelho para consumo de líquido, sistema de fornecimento de líquido e unidade de recipiente de líquido. |
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RU2015107752A RU2647099C2 (ru) | 2012-08-10 | 2013-08-02 | Контейнер для жидкости, потребляющее жидкость устройство, система подачи жидкости и блок контейнеров для жидкости |
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JP2012-178821 | 2012-08-10 | ||
JP2012-178826 | 2012-08-10 | ||
JP2012178824A JP6127406B2 (ja) | 2012-08-10 | 2012-08-10 | 液体収容体、液体消費装置 |
JP2012178825 | 2012-08-10 | ||
JP2012178147 | 2012-08-10 | ||
JP2012178821 | 2012-08-10 | ||
JP2012-178825 | 2012-08-10 | ||
JP2012-178822 | 2012-08-10 | ||
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JP2012178822A JP2014037057A (ja) | 2012-08-10 | 2012-08-10 | 液体収容体、液体消費装置 |
JP2012-203719 | 2012-09-14 | ||
JP2012203717A JP6089523B2 (ja) | 2012-09-14 | 2012-09-14 | 液体収容体及び液体消費装置 |
JP2012-203718 | 2012-09-14 | ||
JP2012-203717 | 2012-09-14 | ||
JP2012203718A JP5958220B2 (ja) | 2012-09-14 | 2012-09-14 | 液体収容体及び液体消費装置 |
JP2012203719A JP6083167B2 (ja) | 2012-09-14 | 2012-09-14 | 液体収容体及び液体消費装置 |
JP2012-237565 | 2012-10-29 | ||
JP2012237565A JP6236762B2 (ja) | 2012-08-10 | 2012-10-29 | 液体消費装置 |
JP2012-241218 | 2012-10-31 | ||
JP2012241218A JP6115080B2 (ja) | 2012-08-10 | 2012-10-31 | 液体供給システム、液体収容体、液体消費装置 |
JP2012240458A JP6155598B2 (ja) | 2012-08-10 | 2012-10-31 | 液体消費装置、液体供給システム |
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JP2012248363A JP5958292B2 (ja) | 2012-08-10 | 2012-11-12 | インクタンク |
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JP2012252657A JP6155606B2 (ja) | 2012-08-10 | 2012-11-16 | 液体収容体ユニット、液体消費装置 |
JP2012-252657 | 2012-11-16 |
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EP (1) | EP2883704B1 (ja) |
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- 2013-08-02 EP EP13827659.7A patent/EP2883704B1/en not_active Not-in-force
- 2013-08-02 RU RU2015107752A patent/RU2647099C2/ru active
- 2013-08-02 BR BR112015002857A patent/BR112015002857A2/pt not_active Application Discontinuation
- 2013-08-02 KR KR1020157005222A patent/KR101953429B1/ko active IP Right Grant
- 2013-08-02 RU RU2018105185A patent/RU2018105185A/ru not_active Application Discontinuation
- 2013-08-02 MY MYPI2015700372A patent/MY166230A/en unknown
- 2013-08-06 TW TW106144281A patent/TWI663072B/zh not_active IP Right Cessation
- 2013-08-06 TW TW106144283A patent/TW201811575A/zh unknown
- 2013-08-06 TW TW106144271A patent/TWI649217B/zh not_active IP Right Cessation
- 2013-08-06 TW TW102128160A patent/TWI613097B/zh not_active IP Right Cessation
- 2013-08-06 TW TW106144284A patent/TWI655104B/zh not_active IP Right Cessation
- 2013-08-08 US US13/962,172 patent/US9079413B2/en not_active Expired - Fee Related
- 2013-08-09 CN CN201610884380.9A patent/CN106427222B/zh not_active Expired - Fee Related
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- 2013-08-09 CN CN201610244910.3A patent/CN105856851B/zh not_active Expired - Fee Related
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