Ink-jet recording device

Abstract

To suppress contamination of an ink bottle and various parts of a printer during supply of ink to an ink tank.SOLUTION: In an ink-jet recording device, an injection part comprises: a needle part that communicates with an ink storage chamber; a peripheral wall disposed to enclose an outer periphery of the needle part; an inner bottom part that receives ink inside the peripheral wall; one or more communication parts that open in the inner bottom part and communicate with the ink storage chamber; and a plurality of grooves, at least some of which are formed in the inner bottom part. The groove parts are configured such that two or more of the grooves respectively communicate with at least one of the one or more communication parts.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present disclosure relates to an inkjet recording apparatus. [Background technology]

[0002] Inkjet recording devices have been known for some time that can print on a print medium, such as printing paper, by ejecting ink from a recording head toward the print medium. Among these inkjet recording devices, there are ink refill types that use ink refills in an ink tank using an ink bottle. Patent Document 1 discloses an inkjet recording device that includes an injection section that receives ink that leaks during ink refilling in an ink receiving section and guides the ink to an ink storage section via a guide section and a communication section. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2020-168790 Summary of the Invention [Problem to be solved by the invention]

[0004] In the inkjet recording device of Patent Document 1, if there is a large amount of ink leakage during ink replenishment, the ink may accumulate in the ink receiving section, and the accumulated ink may adhere to the ink bottle that replenishes the ink or drip outside the injection section, which may result in contamination of the user or various parts of the inkjet recording device with ink. [Means for solving the problem]

[0005] (1) According to a first aspect of the present disclosure, there is provided an inkjet recording device including an ink tank having a recording head that ejects ink to record an image, an ink chamber that contains ink to be supplied to the recording head, and an injection part that communicates with the ink chamber and into which ink is injected from an ink bottle. In this inkjet recording device, the injection part includes a needle part that communicates with the ink chamber, a peripheral wall disposed so as to surround the outer periphery of the needle part, an inner bottom part that receives ink inside the peripheral wall, one or more communication parts that open at the inner bottom part and communicate with the ink chamber, and a plurality of groove parts at least a portion of which is formed in the inner bottom part, and the plurality of groove parts are configured so that at least two or more of the groove parts communicate with at least one of the one or more communication parts.

[0006] (2) According to a second aspect of the present disclosure, there is provided an inkjet recording device including an ink tank having a recording head that ejects ink to record an image, an ink chamber that contains ink to be supplied to the recording head, and an injection part that communicates with the ink chamber and into which ink is injected from an ink bottle. In this inkjet recording device, the injection part includes a needle part that communicates with the ink chamber, a peripheral wall disposed so as to surround the outer periphery of the needle part, an inner bottom part that receives ink inside the peripheral wall, and one or more communication parts that open to the inner bottom part and communicate with the ink chamber, and the peripheral wall has a third groove part formed on an inner circumferential surface of the peripheral wall and that guides ink toward the inner bottom part.

[0007] (3) According to a third aspect of the present disclosure, there is provided an inkjet recording device including an ink tank having a recording head that ejects ink to record an image, an ink chamber that contains ink to be supplied to the recording head, and an injection part that communicates with the ink chamber and into which ink is injected from an ink bottle. In this inkjet recording device, the injection part includes a needle part that communicates with the ink chamber, a peripheral wall disposed so as to surround the outer periphery of the needle part, an inner bottom part that receives ink inside the peripheral wall, and one or more communication parts that open to the inner bottom part and communicate with the ink chamber. The needle part has a fourth groove part formed on the outer periphery of the needle part and that guides ink toward the inner bottom part, and an upper end of the fourth groove part is located below a seal part disposed at an ink outlet part of the ink bottle when the ink bottle is connected to the needle part. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view of a printer according to a first embodiment. [Figure 2] FIG. 2 is a perspective view showing a state in which ink is being refilled into an ink tank using an ink bottle. [Figure 3] FIG. 2 is a perspective view of the ink tank according to the first embodiment. [Figure 4] FIG. 2 is a cross-sectional view showing a state in which ink is being replenished from an ink bottle to an ink tank. [Figure 5] FIG. 2 is a top view showing the configuration of an injection section of the first embodiment. [Figure 6] FIG. 2 is a perspective view showing the configuration of an injection section of the first embodiment. [Figure 7] FIG. 10 is a top view showing the configuration of an injection section of a second embodiment. [Figure 8] FIG. 11 is a perspective view showing the configuration of an injection section of a third embodiment. [Figure 9] FIG. 10 is a perspective view showing the configuration of an injection section of a fourth embodiment. [Figure 10] FIG. 11 is an enlarged view showing the vicinity of a communication part of an injection part of a fifth embodiment. [Figure 11]FIG. 13 is a perspective view showing the configuration of an injection section of a sixth embodiment. [Figure 12] FIG. 13 is a perspective view showing the configuration of an injection section of a seventh embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] A. First embodiment: FIG. 1 is a perspective view of a printer 100 according to a first embodiment. The printer 100 is an inkjet printer that prints by ejecting ink onto a print medium using a recording head. The printer 100 corresponds to the "inkjet recording device" of this disclosure. FIG. 2 depicts mutually orthogonal X, Y, and Z axes. The X axis corresponds to the width direction of the printer 100, the Y axis corresponds to the depth direction of the printer 100, and the Z axis corresponds to the height direction of the printer 100. The printer 100 is installed on a horizontal installation surface defined by the X and Y axis directions. Note that the "X axis direction" refers to the concept of combining the +X direction and the -X direction. Similarly, the "Y axis direction" refers to the concept of combining the +Y direction and the -Y direction, and the "Z axis direction" refers to the concept of combining the +Z direction and the -Z direction.

[0010] The printer 100 has a housing 110. Inside the housing 110, a carriage (not shown) is mounted, which is movable in the X-axis direction, which is the main scanning direction. The carriage is equipped with a print head that ejects ink onto a print medium. An ink tank housing unit 160 is mounted at one end of the front of the housing 110, housing multiple ink tanks 700S and 700L. The ink tank housing unit 160 has an openable / closable lid 162 on top. The ink tank 700S is a small-capacity tank, while the ink tank 700L is a large-capacity tank. However, in the following description, the two will be simply referred to as "ink tanks 700." Each ink tank 700 is connected to the print head of the carriage by a tube (not shown). In other words, the ink tanks 700 are stationary ink tanks that are not mounted on the carriage of the printer 100. Each ink tank 700 is an ink supply type ink tank that is replenished with ink from an ink bottle when the remaining ink level is low. In this embodiment, the ink tank 700 is a stationary ink tank, but it may also be mounted on the carriage of the printer 100.

[0011] 2 is a perspective view showing the state in which ink is being refilled into an ink tank 700 using an ink bottle 200. The front of each ink tank 700 is made of a transparent material, making it possible to visually check the amount of ink remaining in each ink tank 700 from the outside. When the amount of ink remaining becomes low, as shown in FIG. 2, it is possible to open the lid 162 and refill ink through the needle portion 711 of the ink tank 700.

[0012] An injection port 710 for replenishing ink into the ink tank 700 is provided on the top surface of each ink tank 700. The ink tank containing unit 160 is provided with a sealing cap member 164 having a sealing cap 165 for sealing the injection port 710. When the ink tank 700 is not being refilled with ink, the injection port 710 is sealed by the sealing cap 165 of the sealing cap member 164. When refilling the ink tank 700 with ink, the sealing cap member 164 is removed from the injection port 710, and the tip of the ink bottle 200 is inserted into the injection port 710 to refill the ink. The specific configuration of the injection port 710 will be described later. Note that a peripheral wall 712, which will be described later, is not shown in FIG. 3.

[0013] In this specification, the term "ink refilling" refers to the operation of supplying ink to the ink tank 700 to increase the amount of ink remaining. However, "ink refilling" does not necessarily mean filling the ink tank 700 with ink. "Ink refilling" also includes the operation of filling an empty ink tank 700 with ink when using the printer 100 for the first time.

[0014] 3 is a perspective view of an ink tank 700 according to the first embodiment. An injection port 710 of the ink tank 700 is provided with a needle portion 711 that protrudes upward from the ink tank 700. The tip of the needle portion 711 is open and communicates with an internal tank flow path 720 that protrudes into an ink storage chamber 730 below. The lower end of the internal tank flow path 720 extends to a position below the ceiling wall of the ink storage chamber 730. The reason for this is that when refilling the ink tank 700 with ink from the ink bottle 200, gas-liquid exchange stops when the liquid level in the ink storage chamber 730 reaches the lower end of the internal tank flow path 720, and therefore the refilling of ink also stops, making the ink refilling operation easier.

[0015] In this embodiment, injection portion 710 further includes a peripheral wall 712 that surrounds needle portion 711. This prevents leaked ink from scattering around needle portion 711 when refilling ink from ink bottle 200. In this embodiment, peripheral wall 712 is formed in a cylindrical shape that surrounds needle portion 711. The shape of peripheral wall 712 is not limited to a cylindrical shape and may be, for example, a rectangular or elliptical cylindrical shape. Furthermore, although FIG. 3 illustrates peripheral wall 712 as being lower than needle portion 711, the height of peripheral wall 712 may be approximately the same as or higher than needle portion 711.

[0016] FIG. 4 is a cross-sectional view showing a refilling state in which ink is being refilled from ink bottle 200 to ink tank 700. FIG. 4 shows only a portion of each of ink bottle 200 and ink tank 700. As shown in FIG. 4, in a refilling state in which ink bottle 200 is connected to needle portion 711, needle portion 711 is inserted into ink outlet portion 210 of ink bottle 200. Ink bottle 200 is provided with a seal member 220 inside ink outlet portion 210. In the refilling state, seal member 220 comes into close contact with the outer peripheral surface of needle portion 711 to form seal portion 221, thereby preventing ink from leaking from the outer peripheral surface of needle portion 711 during ink refilling and preventing contamination of ink tank 700.

[0017] The ink bottle 200 of this embodiment has a receiving portion 230 formed in a ring shape around the ink outlet portion 210. In the refilling state, the receiving portion 230 receives the peripheral wall 712, and the bottom of the receiving portion 230 and the tip of the peripheral wall 712 abut against each other. Because the ink bottle 200 of this embodiment has the receiving portion 230, it can receive the peripheral wall 712 in the refilling state, and can prevent the peripheral wall 712 from coming into contact with the tip of the ink bottle 200 in the refilling state, which would prevent the insertion of the needle 711 into the ink outlet portion 210 from being hindered.

[0018] FIG. 5 is a top view showing the configuration of the injection unit 710 of the first embodiment. FIG. 6 is a perspective view showing the configuration of the injection unit 710 of the first embodiment. As shown in FIGS. 5 and 6, the injection unit 710 has an inner bottom 713, two communication portions 714, and four first grooves 715a in addition to the needle portion 711 and peripheral wall 712 described above. The inner bottom 713 forms the bottom of the inner space surrounded by the peripheral wall 712. The inner bottom 713 receives ink that leaks from the ink bottle 200 when ink is refilled from the ink bottle 200. In this embodiment, the inner bottom 713 is a flat surface that is not inclined.

[0019] The communicating portion 714 opens at the inner bottom portion 713 and communicates with the ink containing chamber 730. In other words, the communicating portion 714 is configured as a through-hole that penetrates the inner bottom portion 713 in the thickness direction. This allows ink stored in the inner bottom portion 713 to be guided to the ink containing chamber 730, and prevents ink leaking from the ink bottle 200 from accumulating in the inner bottom portion 713. In this embodiment, the communicating portion 714 has a cylindrical shape and is provided between the needle portion 711 and the peripheral wall 712 at a position that does not contact either the inner circumferential surface of the peripheral wall 712 or the outer circumferential surface of the needle portion 711.

[0020] Furthermore, injection part 710 includes two communication parts 714 that are provided symmetrically with respect to needle part 711. Therefore, compared to a configuration that includes only one communication part, ink that leaks from ink bottle 200 can be more effectively prevented from accumulating in inner bottom part 713. Note that injection part 710 may include three or more communication parts 714, and the arrangement of multiple communication parts 714 may be asymmetric with respect to needle part 711. Furthermore, injection part 710 may include only one communication part 714.

[0021] Each first groove 715a is a groove formed in the inner bottom 713, and guides ink that has accumulated in the inner bottom 713 to the communicating portion 714. In this embodiment, the bottom of the first groove 715a is a flat surface that is not inclined. Each first groove 715a is provided to extend from the base of the needle 711 toward the communicating portion 714, and guides ink that has dripped down the needle 711 from the base of the needle 711 to the communicating portion 714. Note that the "base of the needle 711" refers to the connection portion between the needle 711 and the inner bottom 713. This prevents ink that has dripped down the needle 711 from accumulating in the inner bottom 713. The first groove 715a corresponds to the "groove" in this disclosure.

[0022] Furthermore, two first grooves 715a are configured to communicate with one communicating portion 714. This can facilitate the guide of ink to the communicating portion 714 compared to a configuration in which only one first groove 715a communicates with one communicating portion 714. Note that three or more first grooves 715a may communicate with one communicating portion 714. Furthermore, of the two communicating portions 714, multiple first grooves 715a may communicate with only one communicating portion 714, and only one first groove 715a may communicate with the other communicating portion 714, or no first grooves 715a may communicate with the other communicating portion 714.

[0023] Each first groove 715a is formed to taper from the needle portion 711 toward the communicating portion 714. Here, "tapering" refers to a decrease in the cross-sectional area perpendicular to the extension direction of the groove. This does not necessarily mean that the width of the groove is narrower, but may also mean that the depth of the groove is shallower. This makes it easier for each first groove 715a to generate greater capillary action as it approaches the communicating portion 714, making it easier to draw ink held in the first groove 715a into the communicating portion 714. This promotes the guide of ink to the communicating portion 714 and further prevents ink leaking from the ink bottle 200 from accumulating in the inner bottom 713. Note that only some of the multiple first grooves 715a may be formed to taper from the needle portion 711 toward the communicating portion 714. Furthermore, all of the first grooves 715a may be formed to have a uniform width.

[0024] According to the printer 100 of the first embodiment described above, two first groove portions 715a are configured to communicate with one communication portion 714, which can promote the guidance of ink to the communication portion 714 compared to a configuration in which only one first groove portion 715a communicates with one communication portion 714. This can further prevent ink leaking from the ink bottle 200 from accumulating in the inner bottom portion 713, and can prevent ink accumulating in the inner bottom portion 713 from adhering to the ink bottle 200 or dripping outside the filling portion 710, thereby contaminating the user's hands or various parts of the printer 100 with ink.

[0025] Furthermore, first groove portion 715a is configured to become thinner as it approaches communicating portion 714, which makes it easier for greater capillary action to occur in first groove portion 715a as it approaches communicating portion 714, making it easier for ink held in the groove portion to be drawn into communicating portion 714. This facilitates the guide of ink to communicating portion 714, and further prevents ink leaking from ink bottle 200 from accumulating in inner bottom portion 713.

[0026] B. Second embodiment: The printer 100 of the second embodiment differs from the printer 100 of the first embodiment in that the ink tank 700 is provided with a filling section 710b instead of the filling section 710. The other configuration of the printer 100 of the second embodiment is the same as that of the printer 100 of the first embodiment, so the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

[0027] Fig. 7 is a top view showing the configuration of injection section 710b of the second embodiment. As shown in Fig. 7, injection section 710b of the second embodiment differs from injection section 710 of the first embodiment in that it further includes two second groove sections 715b. The number of second groove sections 715b may be any number equal to or greater than one.

[0028] Each second groove portion 715b is a groove formed in the inner bottom portion 713, extending from the inner circumferential surface of the peripheral wall 712 toward the communicating portion 714, and guides ink that has dripped down the inner circumferential surface of the peripheral wall 712 to the communicating portion 714. This prevents ink that has leaked from the ink bottle 200, adhered to the peripheral wall 712, and dripped down the inner circumferential surface of the peripheral wall 712 from accumulating at the inner bottom portion 713. The second groove portion 715b corresponds to the "groove portion" in this disclosure.

[0029] In the present embodiment, the number of first grooves 715a communicating with one communicating portion 714 may be one. In other words, the number of grooves communicating with the communicating portion 714 corresponds to the sum of the number of first grooves 715a communicating with the communicating portion 714 and the number of second grooves 715b communicating with the communicating portion 714, and this sum may be two or more. In other words, it is sufficient that a plurality of grooves, including the first grooves 715a and the second grooves 715b, communicate with the communicating portion 714. According to this embodiment, the guide of ink to the communicating portion 714 can be more effectively achieved than in an embodiment in which only one groove communicates with one communicating portion 714.

[0030] Furthermore, each second groove portion 715b is formed to become thinner as it approaches the communicating portion 714 from the peripheral wall 712. This makes it easier for greater capillary action to occur in each second groove portion 715b as it approaches the communicating portion 714, making it easier for ink held in the second groove portion 715b to be drawn into the communicating portion 714. This facilitates the guide of ink to the communicating portion 714 and further prevents ink leaking from the ink bottle 200 from accumulating in the inner bottom portion 713. Note that only some of the multiple second groove portions 715b may be formed to become thinner as it approaches the communicating portion 714 from the peripheral wall 712. Alternatively, all of the second groove portions 715b may be formed to have a uniform thickness.

[0031] The printer 100 of the second embodiment described above achieves the same effects as the first embodiment. In addition, because it further includes the second groove portion 715b, ink that leaks from the ink bottle 200, adheres to the peripheral wall 712, and drips down the inner circumferential surface of the peripheral wall 712 can be prevented from accumulating at the inner bottom portion 713. This further prevents ink that leaks from the ink bottle 200 from accumulating at the inner bottom portion 713, and further prevents ink that has adhered to the peripheral wall 712 from adhering to the ink bottle 200 or dripping outside the filling portion 710b, thereby contaminating the user's hands and various parts of the printer 100.

[0032] C. Third embodiment: The printer 100 of the third embodiment differs from the printer 100 of the second embodiment in that the ink tank 700 is provided with a filling section 710c instead of the filling section 710b. The other configuration of the printer 100 of the third embodiment is the same as that of the printer 100 of the second embodiment, so the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

[0033] Fig. 8 is a perspective view showing the configuration of injection section 710c of the third embodiment. As shown in Fig. 8, injection section 710c of the third embodiment differs from injection section 710b of the second embodiment in that injection section 710c further includes four third groove sections 715c. The number of third groove sections 715c is not limited to four, and may be any number equal to or greater than one.

[0034] Each third groove 715c is a groove formed on the inner circumferential surface of the peripheral wall 712 so as to extend toward the inner bottom 713, and guides ink adhering to the peripheral wall 712 to the inner bottom 713. This prevents ink leaking from the ink bottle 200 from adhering to and remaining on the inner circumferential surface of the peripheral wall 712. In this embodiment, each third groove 715c is formed parallel to the height direction of the peripheral wall 712. The third groove 715c corresponds to the "groove" in this disclosure.

[0035] Furthermore, each third groove portion 715c is formed to become thinner as it approaches the inner bottom 713. This makes it easier for greater capillary action to occur in each third groove portion 715c as it approaches the inner bottom 713, making it easier for ink held in the third groove portion 715c to be drawn into the inner bottom 713. This facilitates the guide of ink to the inner bottom 713 and further prevents ink leaking from the ink bottle 200 from remaining on the inner circumferential surface of the peripheral wall 712. Note that only some of the multiple third groove portions 715c may be formed to become thinner as it approaches the inner bottom 713. Alternatively, all of the third groove portions 715c may be formed to have a uniform thickness.

[0036] Furthermore, of the four third grooves 715c, two third grooves 715c each communicate with the second grooves 715b. This allows ink held in the third grooves 715c to be guided directly to the second grooves 715b, and ink adhering to the inner circumferential surface of the peripheral wall 712 to be more efficiently guided to the communication portion 714. The number of third grooves 715c communicating with the second grooves 715b is not limited to two, and may be any number including zero.

[0037] The printer 100 of the third embodiment described above provides the same effects as the second embodiment. In addition, because it further includes the third groove portion 715c, it is possible to prevent ink leaking from the ink bottle 200 from adhering to and remaining on the inner circumferential surface of the peripheral wall 712, and it is possible to prevent ink adhering to the peripheral wall 712 from adhering to the ink bottle 200 or dripping outside the injection portion 710c, thereby preventing the user's hands or various parts of the printer 100 from being contaminated by ink.

[0038] Furthermore, because two of the four third groove portions 715c communicate with the second groove portion 715b, ink held in the third groove portion 715c can be guided directly to the second groove portion 715b, and ink adhering to the inner circumferential surface of the peripheral wall 712 can be more efficiently guided to the communication portion 714. This makes it possible to prevent ink leaking from the ink bottle 200 from adhering to and remaining on the inner circumferential surface of the peripheral wall 712, and further prevents ink adhering to the peripheral wall 712 from adhering to the ink bottle 200 or dripping outside the injection portion 710c, thereby contaminating the user's hands and various parts of the printer 100.

[0039] D. Fourth embodiment: The printer 100 of the fourth embodiment differs from the printer 100 of the third embodiment in that the ink tank 700 is provided with a filling section 710d instead of the filling section 710c. Note that the other configuration of the printer 100 of the fourth embodiment is the same as that of the printer 100 of the third embodiment, so the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

[0040] Figure 9 is a perspective view showing the configuration of injection section 710d of the fourth embodiment. As shown in Figure 9, injection section 710d of the third embodiment differs from injection section 710 of the third embodiment in that it further includes fourth groove section 715d and annular groove 716. Although part of the fourth groove section 715d is hidden in Figure 9, injection section 710d has six fourth groove sections 715d symmetrically arranged with respect to needle section 711. The number of fourth groove sections 715d is not limited to six and may be any number equal to or greater than one.

[0041] Each fourth groove 715d is a groove formed on the outer circumferential surface of the needle portion 711 so as to extend toward the inner bottom portion 713, and guides ink adhering to the outer circumferential surface of the needle portion 711 to the inner bottom portion 713. This prevents ink leaking from the ink bottle 200 from adhering to and remaining on the outer circumferential surface of the needle portion 711. In this embodiment, each fourth groove 715d is formed parallel to the height direction of the needle portion 711. The fourth groove 715d corresponds to the "groove" in this disclosure.

[0042] Furthermore, each fourth groove portion 715d is formed so that, in the refilling state, the upper end of the fourth groove portion 715d is located below the above-described seal portion 221. This prevents the upper end of the fourth groove portion 715d from being located above the above-described seal portion 221 in the refilling state, and prevents the fourth groove portion 715d from releasing the seal provided by the seal portion 221 and causing ink to leak.

[0043] In this embodiment, the upper end of each fourth groove portion 715d communicates with an annular groove 716 formed on the outer circumferential surface of the needle portion 711. The annular groove 716 is formed parallel to a direction perpendicular to the height direction of the needle portion 711. Ink dripping down the outer circumferential surface of the needle portion 711 is temporarily held in the annular groove 716 and then guided to the fourth groove portion 715d. This makes it easier to guide the ink to the inner bottom portion 713 via the fourth groove portion 715d. Note that the annular groove 716 is not limited to communicating with the upper end of the fourth groove portion 715d, and may communicate with the fourth groove portion 715d at any position in the height direction of the fourth groove portion 715d. Note that the injection portion 710d does not necessarily have to have the annular groove 716.

[0044] Furthermore, each fourth groove portion 715d is formed to become thinner as it approaches the inner bottom portion 713. This makes it easier for greater capillary action to occur in each fourth groove portion 715d as it approaches the inner bottom portion 713, making it easier for ink held in the fourth groove portion 715d to be drawn into the inner bottom portion 713. This facilitates the guide of ink to the inner bottom portion 713 and further prevents ink leaking from the ink bottle 200 from remaining on the outer peripheral surface of the needle portion 711. Note that only some of the multiple fourth groove portions 715d may be formed to become thinner as it approaches the inner bottom portion 713. Alternatively, all of the fourth groove portions 715d may be formed to have a uniform thickness.

[0045] Furthermore, of the six fourth grooves 715d, four fourth grooves 715d each communicate with the first groove 715a. This allows ink held in the fourth grooves 715d to be guided directly to the first groove 715a, and ink adhering to the outer circumferential surface of the needle 711 to be more efficiently guided to the communication portion 714. The number of fourth grooves 715d communicating with the first groove 715a is not limited to four, and may be any number including zero.

[0046] The printer 100 of the fourth embodiment described above provides the same effects as the third embodiment. In addition, because it further includes the fourth groove portion 715d, it is possible to prevent ink leaking from the ink bottle 200 from adhering to and remaining on the outer circumferential surface of the needle portion 711, and it is possible to prevent ink adhering to the needle portion 711 from adhering to the ink bottle 200 or dripping outside the injection portion 710d, thereby preventing the user's hands or various parts of the printer 100 from being contaminated by ink.

[0047] Furthermore, since the upper end of each fourth groove portion 715d is positioned below the seal portion 221 arranged at the ink outlet portion 210 of the ink bottle 200 in the refilling state, it is possible to prevent the upper end of the fourth groove portion 715d from being positioned above the seal portion 221 when the ink bottle 200 is connected to the needle portion 711, and it is possible to prevent the fourth groove portion 715d from releasing the seal provided by the seal portion 221 and causing ink to leak.

[0048] E. Fifth embodiment: The printer 100 of the fifth embodiment differs from the printer 100 of the first embodiment in that the ink tank 700 is provided with a filling section 710e instead of the filling section 710. Note that the other configuration of the printer 100 of the fifth embodiment is the same as that of the printer 100 of the first embodiment, so the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

[0049] Fig. 10 is an enlarged view showing the vicinity of communication portion 714 of injection portion 710e of the fifth embodiment. As shown in Fig. 10, injection portion 710e of the fifth embodiment differs from injection portion 710 of the first embodiment in that injection portion 710e further includes five fifth groove portions 715e. The number of fifth groove portions 715e is not limited to five and may be any number equal to or greater than one.

[0050] The fifth groove portion 715e is a groove formed on the inner circumferential surface of the communication portion 714, and guides ink toward the ink storage chamber 730. Therefore, ink that has accumulated in the inner bottom portion 713 is guided to the ink storage chamber 730 through the fifth groove portion 715e, which can promote the guidance of ink that has accumulated in the inner bottom portion 713 to the ink storage chamber 730. The fifth groove portion 715e corresponds to the "groove portion" in this disclosure.

[0051] 10, the fifth groove portion 715e is formed to become thinner as it approaches the ink containing chamber 730. This makes it easier for greater capillary action to occur in the fifth groove portion 715e as it approaches the ink containing chamber 730, making it easier for ink held in the fifth groove portion 715e to be drawn into the ink containing chamber 730. This facilitates the guide of ink to the ink containing chamber 730 and further prevents ink leaking from the ink bottle 200 from remaining in the inner bottom portion 713. Note that only some of the multiple fifth groove portions 715e may be formed to become thinner as it approaches the ink containing chamber 730. Alternatively, all of the fifth groove portions 715e may be formed to have a uniform thickness.

[0052] Furthermore, of the five fifth grooves 715e, two of them are in communication with the first grooves 715a. This allows the ink held in the first grooves 715a to be guided directly to the fifth grooves 715e, and the ink held by the first grooves 715a to be more efficiently guided to the ink storage chamber 730. The number of fifth grooves 715e that are in communication with the first grooves 715a is not limited to two, and may be any number including zero.

[0053] If injection portion 710e further includes second groove portion 715b, at least a portion of fifth groove portion 715e may communicate with second groove portion 715b. This configuration allows ink held in second groove portion 715b to be guided directly to fifth groove portion 715e, and allows ink held by second groove portion 715b to be guided to ink storage chamber 730 more efficiently.

[0054] The printer 100 of the fifth embodiment described above achieves the same effects as the first embodiment. In addition, because the printer 100 further includes the fifth groove portion 715e, ink that has accumulated in the inner bottom portion 713 is guided through the fifth groove portion 715e to the ink containing chamber 730, thereby facilitating the guidance of ink that has accumulated in the inner bottom portion 713 to the ink containing chamber 730. This makes it possible to further prevent ink that has leaked from the ink bottle 200 from accumulating in the inner bottom portion 713, and to further prevent ink that has accumulated in the inner bottom portion 713 from adhering to the ink bottle 200 or dripping outside the filling portion 710e, thereby contaminating the user's hands or various parts of the printer 100 with ink.

[0055] F. Sixth embodiment: The printer 100 of the sixth embodiment differs from the printer 100 of the third embodiment in that the ink tank 700 is provided with a filling section 710f instead of the filling section 710c. Note that the other configuration of the printer 100 of the sixth embodiment is the same as that of the printer 100 of the third embodiment, so the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

[0056] Fig. 11 is an explanatory diagram showing the configuration of an injection section 710f of the sixth embodiment. As shown in Fig. 11, the injection section 710 of the sixth embodiment differs from the injection section 710c of the third embodiment in that it does not include the first groove section 715a and the second groove section 715b.

[0057] According to the sixth embodiment of the printer 100 described above, the third groove portion 715c is provided, which prevents ink leaking from the ink bottle 200 from adhering to and remaining on the inner surface of the peripheral wall 712, and prevents ink adhering to the peripheral wall 712 from adhering to the ink bottle 200 or dripping outside the injection portion 710f, thereby preventing the user's hands and various parts of the printer 100 from being contaminated by ink.

[0058] G. Seventh embodiment: The printer 100 of the seventh embodiment differs from the printer 100 of the fourth embodiment in that the ink tank 700 is provided with a filling section 710g instead of the filling section 710d. Note that the other configuration of the printer 100 of the seventh embodiment is the same as that of the printer 100 of the fourth embodiment, so the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

[0059] Fig. 12 is an explanatory diagram showing the configuration of an injection section 710g of the seventh embodiment. As shown in Fig. 12, the injection section 710g of the seventh embodiment differs from the injection section 710d of the fourth embodiment in that it does not include the first groove section 715a, the second groove section 715b, and the third groove section 715c.

[0060] The printer 100 of the seventh embodiment described above includes the fourth groove portion 715d, which prevents ink leaking from the ink bottle 200 from adhering to and remaining on the outer peripheral surface of the needle portion 711, thereby preventing ink adhering to the needle portion 711 from adhering to the ink bottle 200 or dripping outside the injection portion 710f and contaminating the user's hands or various parts of the printer 100. In addition, the upper end of the fourth groove portion 715d is located below the seal portion 221 disposed at the ink outlet portion 210 of the ink bottle 200 when the ink bottle 200 is connected to the needle portion 711. This prevents the upper end of the fourth groove portion 715d from being located above the seal portion 221 when the ink bottle 200 is connected to the needle portion 711, preventing the fourth groove portion 715d from releasing the seal provided by the seal portion 221 and causing ink to leak.

[0061] H. Other Embodiments: (H1) In the above embodiment, the inner bottom 713 is a flat surface that is not inclined, but the present disclosure is not limited to this. The inner bottom 713 may be formed to be inclined so that its height decreases toward the communicating portion 714. The inner bottom 713 may be formed to be inclined in one direction toward the communicating portion 714, or may be formed to be inclined in a cone shape with the communicating portion 714 as the center. According to this embodiment, the inclination allows ink that has accumulated on the inner bottom 713 to be guided to the communicating portion 714, thereby further preventing ink from accumulating on the inner bottom 713.

[0062] (H2) In the above embodiment, the bottom of the first groove portion 715a is a flat surface without an incline, but the present disclosure is not limited to this. The bottom of the first groove portion 715a may be formed to be inclined so that its height decreases toward the communicating portion 714. According to this embodiment, ink held in the first groove portion 715a can be more easily drawn into the communicating portion 714. This can facilitate the guide of ink to the communicating portion 714, and can further prevent ink leaking from the ink bottle 200 from accumulating in the inner bottom portion 713.

[0063] (H3) In the above embodiment, the communication portion 714 has a cylindrical shape, but the present disclosure is not limited to this. The communication portion 714 may have any shape, such as a rectangular cylindrical shape or an elliptical cylindrical shape. Even with such a shape, the same effects as the above embodiment can be achieved.

[0064] (H4) In the above embodiment, the communicating portion 714 is provided between the needle portion 711 and the peripheral wall 712 at a position where it does not contact either the inner peripheral surface of the peripheral wall 712 or the outer peripheral surface of the needle portion 711, but the present disclosure is not limited to this. The communicating portion 714 may be provided at a position where it contacts at least one of the inner peripheral surface of the peripheral wall 712 and the outer peripheral surface of the needle portion 711. This configuration also achieves the same effects as the above embodiment.

[0065] In an embodiment in which the communicating portion 714 is provided at a position in contact with the inner circumferential surface of the peripheral wall 712, the third groove portion 715c of the injection portion 710c of the third embodiment and the injection portion 710f of the sixth embodiment may be provided so as to directly communicate with the communicating portion 714. This embodiment further provides the effect of being able to guide ink held in the third groove portion 715c directly to the communicating portion 714, and being able to more efficiently guide ink adhering to the inner circumferential surface of the peripheral wall 712 to the communicating portion 714. Furthermore, when the communicating portion 714 is provided at a position in contact with the inner circumferential surface of the peripheral wall 712, the injection portions 710b to 710d do not need to have the second groove portion 715b.

[0066] Furthermore, in a configuration in which communicating portion 714 is provided at a position in contact with the outer peripheral surface of needle portion 711, fourth groove portion 715d of injection portion 710d of the fourth embodiment and injection portion 710g of the seventh embodiment may be provided so as to directly communicate with communicating portion 714. This configuration further provides the effect that ink held in fourth groove portion 715d can be guided directly to communicating portion 714, and ink adhering to the outer peripheral surface of needle portion 711 can be more efficiently guided to communicating portion 714.

[0067] (H5) In the third embodiment, the third groove portion 715c is formed parallel to the height direction of the peripheral wall 712. However, the present disclosure is not limited to this. The third groove portion 715c may be formed at an angle relative to the height direction of the peripheral wall 712. This configuration also achieves the same effects as the above embodiment. In addition, since the third groove portion 715c can be disposed over a wider circumferential area on the inner surface of the peripheral wall 712, ink adhering to a wider area on the inner surface of the peripheral wall 712 can be more easily retained in the third groove portion 715c. This further reduces the likelihood of ink leaking from the ink bottle 200 adhering to and remaining on the inner surface of the peripheral wall 712, thereby further reducing the risk of ink adhering to the peripheral wall 712 adhering to and contaminating the ink bottle 200 and the risk of ink contamination of the outer portions of the peripheral wall 712.

[0068] Furthermore, the third groove portion 715c may further include, in addition to a first groove formed parallel to the height direction of the peripheral wall 712, a second groove extending in a branch-like manner from the first groove, parallel to or inclined relative to the circumferential direction of the inner peripheral surface of the peripheral wall 712. Even with this configuration, the third groove portion 715c can be disposed over a wider area in the circumferential direction on the inner peripheral surface of the peripheral wall 712 due to the second groove extending in a branch-like manner, making it easier for ink dripping down the inner peripheral surface of the peripheral wall 712 to be retained in the third groove portion 715c.

[0069] (H6) In the fourth embodiment, the fourth groove 715d is formed parallel to the height direction of the needle 711, but the present disclosure is not limited to this. The fourth groove 715d may be formed at an angle relative to the height direction of the needle 711. This configuration also achieves the same effects as the above embodiment. In addition, the fourth groove 715d can be disposed over a wider circumferential area on the outer circumferential surface of the needle 711, making it easier for the fourth groove 715d to retain ink that drips down the outer circumferential surface of the needle 711. This further reduces the likelihood of ink leaking from the ink bottle 200 adhering to and remaining on the outer circumferential surface of the needle 711, thereby further reducing the likelihood of ink adhering to the needle 711 adhering to and contaminating the ink bottle 200 and the likelihood of ink contamination of the outer portions of the peripheral wall 712.

[0070] Furthermore, fourth groove portion 715d may further include, in addition to a first groove formed parallel to the height direction of needle portion 711, a second groove extending in a branch-like manner from the first groove, parallel to or inclined relative to the circumferential direction of the outer circumferential surface of needle portion 711. Even in this configuration, the second groove extending in a branch-like manner allows fourth groove portion 715d to be disposed over a wider circumferential area on the outer circumferential surface of needle portion 711, making it easier for ink dripping down the outer circumferential surface of needle portion 711 to be retained in fourth groove portion 715d.

[0071] (H7) In the third embodiment, the third groove 715c is formed up to the upper end of the peripheral wall 712 and opens upward, but the present disclosure is not limited to this. The upper end of the third groove 715c may be formed up to any position in the height direction of the peripheral wall 712. This configuration also achieves the same effects as the above embodiment.

[0072] I. Other forms: The present disclosure is not limited to the above-described embodiments and can be realized in various configurations without departing from the spirit thereof. For example, the technical features of the embodiments corresponding to the technical features in each aspect described below can be appropriately replaced or combined to solve some or all of the above-described problems or achieve some or all of the above-described effects. Furthermore, if a technical feature is not described as essential in this specification, it can be appropriately deleted.

[0073] (1) According to a first aspect of the present disclosure, there is provided an inkjet recording device including an ink tank having a recording head that ejects ink to record an image, an ink chamber that contains ink to be supplied to the recording head, and an inlet portion that communicates with the ink chamber and into which ink is injected from an ink bottle. In this inkjet recording device, the inlet portion includes a needle portion that communicates with the ink chamber, a peripheral wall disposed to surround the outer periphery of the needle portion, an inner bottom portion that receives ink inside the peripheral wall, one or more communication portions that open at the inner bottom portion and communicate with the ink chamber, and a plurality of groove portions, at least a portion of which is formed in the inner bottom portion, and the plurality of groove portions are configured so that at least two of the groove portions communicate with at least one of the one or more communication portions. According to this aspect, at least some of the plurality of groove portions are configured so that two or more groove portions communicate with one communication portion, thereby facilitating the guide of ink to the communication portions compared to an embodiment in which only one groove portion communicates with one communication portion. This makes it possible to better prevent ink leaking from the ink bottle from accumulating at the inner bottom, and to prevent ink accumulating at the inner bottom from adhering to the ink bottle or dripping outside the injection section, thereby preventing the user's hands and various parts of the inkjet recording device from being contaminated by ink.

[0074] (2) In the above embodiment, at least some of the grooves may be configured to become narrower as they approach the communicating portion. This configuration makes it easier for greater capillary action to occur in the grooves as they approach the communicating portion, making it easier for ink held in the grooves to be drawn into the communicating portion. This facilitates the guide of ink to the communicating portion and further prevents ink leaking from the ink bottle from accumulating in the inner bottom portion.

[0075] (3) In the above embodiment, the plurality of grooves may include a first groove formed in the inner bottom portion and guiding ink from the base of the needle portion to the communicating portion, and a second groove formed in the inner bottom portion and guiding ink from the peripheral wall to the communicating portion. According to this embodiment, the plurality of grooves includes the first groove portion, which can prevent ink dripping down the needle portion from accumulating at the inner bottom portion. Furthermore, the plurality of grooves includes the second groove portion, which can prevent ink leaking from the ink bottle, adhering to the peripheral wall, and dripping down the peripheral wall from accumulating at the inner bottom portion. This further prevents ink leaking from the ink bottle from accumulating at the inner bottom portion, and further prevents ink adhering to the peripheral wall from adhering to the ink bottle or dripping outside the injection portion, thereby contaminating the user's hands and various components of the inkjet recording device.

[0076] (4) In the above embodiment, the plurality of grooves may further include a third groove formed on the inner circumferential surface of the peripheral wall and guiding ink toward the inner bottom. According to this embodiment, the plurality of grooves includes a third groove, which can prevent ink leaking from the ink bottle from adhering to and remaining on the inner circumferential surface of the peripheral wall and can prevent ink adhering to the peripheral wall from adhering to the ink bottle or dripping outside the filling port, thereby preventing the user's hands or various parts of the inkjet recording device from being contaminated by ink.

[0077] (5) In the above embodiment, the plurality of grooves may further include a second groove formed in the inner bottom portion that guides ink from the peripheral wall to the communicating portion, and at least a portion of the third groove may communicate with the second groove. According to this embodiment, ink held in the third groove can be directly guided to the second groove, and ink adhering to the inner peripheral surface of the peripheral wall can be more efficiently guided to the communicating portion. This prevents ink leaking from the ink bottle from adhering to and remaining on the inner peripheral surface of the peripheral wall, further preventing ink adhering to the peripheral wall from adhering to the ink bottle or dripping outside the ink filling portion, thereby contaminating the user's hands or various components of the inkjet recording device.

[0078] (6) In the above embodiment, the plurality of grooves may include a fourth groove formed on the outer circumferential surface of the needle portion that guides ink toward the inner bottom portion, and the upper end of the fourth groove may be located below a seal disposed at the ink outlet of the ink bottle when the ink bottle is connected to the needle portion. According to this embodiment, the plurality of grooves may include the fourth groove, which can prevent ink leaking from the ink bottle from adhering to and remaining on the outer circumferential surface of the needle portion and can prevent ink adhering to the needle portion from adhering to the ink bottle or dripping outside the injection port, thereby contaminating the user's hands or various components of the inkjet recording device. Additionally, the upper end of the fourth groove is located below the seal disposed at the ink outlet of the ink bottle when the ink bottle is connected to the needle portion. This prevents the upper end of the fourth groove from being located above the seal when the ink bottle is connected to the needle portion, preventing the fourth groove from breaking the seal of the seal and causing ink to leak.

[0079] (7) According to a second aspect of the present disclosure, there is provided an inkjet recording device including an ink tank having a recording head that ejects ink to record an image, an ink chamber that contains ink to be supplied to the recording head, and an injection part that communicates with the ink chamber and into which ink is injected from an ink bottle. In this inkjet recording device, the injection part includes a needle part that communicates with the ink chamber, a peripheral wall disposed so as to surround the outer periphery of the needle part, an inner bottom part that receives ink inside the peripheral wall, and one or more communication parts that open to the inner bottom part and communicate with the ink chamber, and the peripheral wall has a third groove part formed on an inner circumferential surface of the peripheral wall and that guides ink toward the inner bottom part. According to this embodiment, a third groove portion is formed on the inner peripheral surface of the peripheral wall, which prevents ink leaking from the ink bottle from adhering to and remaining on the inner peripheral surface of the peripheral wall, and prevents ink adhering to the peripheral wall from adhering to the ink bottle or dripping outside the injection portion, thereby contaminating the user's hands and various parts of the inkjet recording device.

[0080] (8) In the above embodiment, the inner bottom may have a second groove portion that communicates with the third groove portion and guides ink from the peripheral wall to the communicating portion. According to this embodiment, ink held in the third groove portion can be guided directly to the second groove portion, and ink adhering to the inner peripheral surface of the peripheral wall can be more efficiently guided to the communicating portion. This prevents ink leaking from the ink bottle from adhering to and remaining on the inner peripheral surface of the peripheral wall, and further prevents ink adhering to the peripheral wall from adhering to the ink bottle or dripping outside the ink filling portion, thereby contaminating the user's hands or various parts of the inkjet recording device.

[0081] (9) According to a third aspect of the present disclosure, there is provided an inkjet recording device including an ink tank having a recording head that ejects ink to record an image, an ink chamber that contains ink to be supplied to the recording head, and an injection part that communicates with the ink chamber and into which ink is injected from an ink bottle. In this inkjet recording device, the injection part includes a needle part that communicates with the ink chamber, a peripheral wall disposed so as to surround the outer periphery of the needle part, an inner bottom part that receives ink inside the peripheral wall, and one or more communication parts that open to the inner bottom part and communicate with the ink chamber. The needle part has a fourth groove part formed on the outer periphery of the needle part and that guides ink toward the inner bottom part, and an upper end of the fourth groove part is located below a seal part disposed at an ink outlet part of the ink bottle when the ink bottle is connected to the needle part. According to this embodiment, the fourth groove is formed on the outer peripheral surface of the needle, which prevents ink leaking from the ink bottle from adhering to and remaining on the outer peripheral surface of the needle and prevents ink adhering to the needle from adhering to the ink bottle or dripping outside the injection port, thereby contaminating the user's hands and various parts of the inkjet recording device. In addition, the upper end of the fourth groove is located below the seal disposed on the ink outlet port of the ink bottle when the ink bottle is connected to the needle, which prevents the upper end of the fourth groove from being located above the seal and prevents the fourth groove from breaking the seal of the seal and causing ink to leak.

[0082] (10) In the above embodiment, the inner bottom may have a first groove that communicates with the fourth groove and guides ink to the communicating portion. According to this embodiment, ink held in the fourth groove can be directly guided to the first groove, and ink adhering to the outer circumferential surface of the needle can be more efficiently guided to the communicating portion. This prevents ink leaking from the ink bottle from adhering to and remaining on the outer circumferential surface of the needle, and further prevents ink adhering to the needle from adhering to the ink bottle or dripping outside the injection portion, thereby contaminating the user's hands or various parts of the inkjet recording device.

[0083] (11) In the above embodiment, the communication portion may have a fifth groove formed on the inner circumferential surface of the communication portion and guiding ink toward the ink chamber. According to this embodiment, ink accumulated in the inner bottom portion is guided to the ink chamber through the fifth groove portion, thereby facilitating the guidance of ink accumulated in the inner bottom portion to the ink chamber. This further prevents ink leaking from the ink bottle from accumulating in the inner bottom portion, and further prevents ink accumulated in the inner bottom portion from adhering to the ink bottle or dripping outside the ink injection portion, thereby contaminating the user's hands or various parts of the inkjet recording device.

[0084] In addition to the above aspects, the present disclosure can be realized in other aspects such as a method for manufacturing an inkjet recording device. [Explanation of symbols]

[0085] 100...printer, 110...casing, 160...ink tank accommodating unit, 162...lid, 164...sealing cap member, 165...sealing cap, 200...ink bottle, 210...ink outlet portion, 220...sealing member, 221...sealing portion, 230...receiving portion, 700, 700L, 700S...ink tank, 710, 710b, 710c, 710d, 710e, 710f, 710g...injection portion, 711...needle portion, 712...circumferential wall, 713...inner bottom portion, 714...communicating portion, 715a...first groove portion, 715b...second groove portion, 715c...third groove portion, 715d...fourth groove portion, 715e...fifth groove portion, 716...annular groove, 720...channel within tank, 730...ink storage chamber

Claims

1. An inkjet recording apparatus comprising: a recording head that discharges ink to record an image; an ink tank having an ink chamber that contains ink to be supplied to the recording head; and an injection section that communicates with the ink chamber and into which ink is injected from an ink bottle, The injection section a needle portion communicating with the ink storage chamber; a peripheral wall disposed so as to surround the outer periphery of the needle portion; an inner bottom portion for receiving ink inside the peripheral wall; one or more communication portions that open at the inner bottom portion and communicate with the ink storage chamber; a plurality of grooves at least partially formed in the inner bottom; Equipped with The plurality of groove portions are configured such that two or more of the groove portions communicate with at least one of the one or more communication portions. Inkjet recording device.

2. 2. The inkjet recording apparatus according to claim 1, At least some of the plurality of grooves are configured to become narrower as they approach the communicating portion. Inkjet recording device.

3. 2. The inkjet recording apparatus according to claim 1, The plurality of grooves are a first groove formed in the inner bottom portion and configured to guide ink from the base of the needle portion to the communicating portion; a second groove formed in the inner bottom portion and configured to guide ink from the peripheral wall to the communicating portion; Including, Inkjet recording device.

4. 2. The inkjet recording apparatus according to claim 1, the plurality of grooves further include a third groove formed on the inner circumferential surface of the circumferential wall and guiding ink toward the inner bottom portion; Inkjet recording device.

5. 5. The inkjet recording apparatus according to claim 4, the plurality of grooves further include a second groove formed in the inner bottom portion and configured to guide ink from the peripheral wall to the communicating portion; At least a portion of the third groove portion communicates with the second groove portion. Inkjet recording device.

6. 2. The inkjet recording apparatus according to claim 1, the plurality of grooves include a fourth groove formed on an outer circumferential surface of the needle portion and guiding ink toward the inner bottom portion; an upper end of the fourth groove portion is located below a seal portion disposed at an ink outlet portion of the ink bottle when the ink bottle is connected to the needle portion; Inkjet recording device.

7. An inkjet recording apparatus comprising: a recording head that discharges ink to record an image; an ink tank having an ink chamber that contains ink to be supplied to the recording head; and an injection section that communicates with the ink chamber and into which ink is injected from an ink bottle, The injection section a needle portion communicating with the ink storage chamber; a peripheral wall disposed so as to surround the outer periphery of the needle portion; an inner bottom portion for receiving ink inside the peripheral wall; one or more communication portions that open to the inner bottom portion and communicate with the ink storage chamber; Equipped with the peripheral wall has a third groove portion formed on an inner peripheral surface of the peripheral wall and guiding ink toward the inner bottom portion; Inkjet recording device.

8. 8. The inkjet recording apparatus according to claim 7, the inner bottom portion has a second groove portion that communicates with the third groove portion and guides ink from the peripheral wall to the communicating portion; Inkjet recording device.

9. An inkjet recording apparatus comprising: a recording head that discharges ink to record an image; an ink tank having an ink chamber that contains ink to be supplied to the recording head; and an injection section that communicates with the ink chamber and into which ink is injected from an ink bottle, The injection section a needle portion communicating with the ink storage chamber; a peripheral wall disposed so as to surround the outer periphery of the needle portion; an inner bottom portion for receiving ink inside the peripheral wall; one or more communication portions that open to the inner bottom portion and communicate with the ink storage chamber; Equipped with the needle portion has a fourth groove portion formed on an outer circumferential surface of the needle portion and guiding ink toward the inner bottom portion, an upper end of the fourth groove portion is located below a seal portion disposed at an ink outlet portion of the ink bottle when the ink bottle is connected to the needle portion; Inkjet recording device.

10. 10. The inkjet recording apparatus according to claim 9, the inner bottom portion has a first groove portion that communicates with the fourth groove portion and guides ink to the communicating portion; Inkjet recording device.

11. 10. The inkjet recording apparatus according to claim 1, claim 7, or claim 9, the communicating portion has a fifth groove portion formed on an inner circumferential surface of the communicating portion and guiding ink toward the ink storage chamber; Inkjet recording device.

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